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Welch Belt Guard and Cover for 1402 1st Edition Older Model
Out of Stock


Welch Belt Guard and Cover for 1402 1st Editon Older Model Welch1402 GuardThis is a Welch 1402 1st Edition Older Model Belt Guard and Cover.

Condition: New



Product Number: P1011677



Price: $293.42



Welch Belt Guard and Cover for 1397 Model
In Stock: 1


Welch Belt Guard and Cover for 1397 Model. Welch1397 Guard This is a Welch 1397 Model Belt Guard and Cover.

Condition: New



Product Number: P1011678



Price: $381.45



Welch Outer Belt Guard ONLY 1397 Model
Out of Stock


Welch Outer Belt Guard ONLY 1397 Model. Welch1397 Outer Belt Guard This is a Welch 1397 Model Outer Belt Guard ONLY.

Condition: New



Product Number: P1011679



Price: $126.50



Welch Fan for 8907A, 8912A, 8917A, M4C & M8C Vacuum Pumps, PN Welch 61-6024
Out of Stock


Welch Fan for 8907A, 8912A, 8917A, M4C & M8C Vacuum Pumps Welch PN 61-6024 This is a Welch Fan for 8907A, 8912A, 8917A, M4C & M8C Vacuum Pumps, PN Welch 61-6024 .

Condition: New



Product Number: P108878



Price: $103.75



Welch Belt Drive 1376, 1380, 1402, 1405 Rotary Vane Pump Exhaust Plug
In Stock: 5


Welch Belt Drive 1376, 1380, 1402, 1405 Pump Exhaust Plug Welch PN 61-8912 This is a Welch exhaust plug for 1376, 1380, 1402, 1405 Belt Drive Rotary Vane Vacuum Pumps.

Condition: New



Product Number: P107670



Price: $69.98



Welch 1397 V-Belt Replacement, V-Belt Cogged, 410715 V Belt, 4l, 1/2 X 49 Inch, Requires 2 belts
In Stock: 3


This is a replacement V-Belt Cogged for Welch 1397 belt drive vacuum pump, Welch Part Number 410715. Welch 1397 V-Belt Replacement, V-Belt Cogged, 4L490 V Belt, 4l, 1/2 X 49 Inch, Requires 2 belts. Sold as ONE EACH. Welch vacuum part number 410715.

Condition: New



Product Number: P103632



Price: $56.47



Welch Vacuum Belt for 1402, 1403, and 1405
Out of Stock


Welch Vacuum Belt for 1402, 1403, and 1405 This is a Welch Vacuum Belt for 1402, 1403, and 1405. Please see below in our “Related” section for additional accessories that may benefit your vacuum applications and maintenance needs. We offer a large variety of vacuum greases, vacuum fittings, hoses, vacuum gauges, sensors/transducers and accessories sold separately on this website. Call us for a quote (505) 872-0037. For instruction manuals or data sheets please see the Available Download PDF's Below.

Condition: New



Product Number: P1010104



Price: $104.72



Welch Vacuum Gasket for intake chamber for 1397 / 1374 Pumps PN 41-1495
In Stock: 2


Welch Vacuum Gasket for intake chamber for 1397 / 1374 Pumps PN 41-1495 (Sold as 1 each) This is a Gasket for intake chamber for DuoSeal 1397 or 1374 Welch Belt Drive Vacuum Pumps. For: Welch Belt Drive DuoSeal Vacuum Pumps: 1374, 1397

Condition: New



Product Number: P109724



Price: $15.65



Welch Vacuum Backer Valve for 1397 DuoSeal pumps, PN: 61-8538A
Out of Stock


Welch Vacuum Backer Valve for 1397 DuoSeal pumps This is the backer valve for DuoSeal 1397 Welch Belt Drive Vacuum Pumps.

Condition: New



Product Number: P1011515



Price: $58.83



Welch Exhaust Clock Spring Valve for 1399, 1400, 1404, 1405, 1410 Duoseal Vacuum Pumps, PN: 41-1239
Out of Stock


Welch Exhaust Clock Spring Valve for 1399, 1400, 1404, 1405, 1410 Duoseal Vacuum Pumps PN: 41-1239 This is a New Welch Valve Exhaust Clock Spring for 1399, 1400, 1404, 1405, 1410 Duoseal Vacuum Pumps. We also offer Major and Minor Repair kits that contain this part for 1399, 1400, 1404, 1405, 1410 Duoseal Vacuum Pumps.

Condition: New



Product Number: P1011518



Price: $58.83



Welch Vacuum Valve Flapper for 1397, 1374 DuoSeal Pumps, PN: 61-8539A
Out of Stock


Welch Vacuum Valve Flapper for 1397, 1374 DuoSeal Pumps This is the valve flapper for DuoSeal 1397 and 1974 Welch Belt Drive Vacuum Pumps.

Condition: New



Product Number: P1011519



Price: $63.48



Welch Rubber feet for 1376, 1400, 1402, 1405, Belt Drive Pumps, sold as 1 each
In Stock: 1
Expecting: 3
Arrival: 3 on 2019-08-08


Welch Rubber feet for 1376, 1400, 1402, 1405, Belt Drive Pumps, sold as 1 each. PN 41-0929 These Welch pump rubber feet are for 1376, 1400, 1402, 1405, Belt Drive Pumps. They support the bottom base of the vacuum pump. Fit Vacuum Pumps Models: Welch 1376, 1400, 1402, 1405, Dimensions: Height 5/8(15mm) Material: Rubber

Condition: New



Product Number: P103794



Price: $18.23



Adapter KF-16 to Welch Vacuum Pumps (Old Style), Models 1399, 1400, 1400N, Thread Size 5/8-18
In Stock: 4


Adapter KF-16 to Welch Vacuum Pump Inlet or Outlet (Old Style), 1399, 1400, 1400N, Thread Size 5/8-18, Stainless Steel.These adapters are KF-16 to Inlet or Outlet Welch vacuum pumps, models 1399, 1400, and 1400N, Old Style Pumps. The flange size ISO-KF NW-16 to Welch pump thread size 5/8-18. They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant stainless steel.Adapter KF-16 to Welch vacuum pumps (Old Style), models 1399, 1400, and 1400 Inlet or OutletISO-KF Flange Size: NW-16Thread Size: 5/8-18 NPSMCommon Dimensions: A = 1.77 in., B = 0.450 in.FOR OLD STYLE WELCH VACUUM PUMPS, ie. An Old Style Pump has an oil sight glass held in place with a bolt ring, click on far right picture for example of an old style pump.

Condition: New



Product Number: P101303



Price: $116.39



Replacement Shaft For Welch 1397/1374 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump.
Out of Stock


Replacement Shaft For Welch 1397/1374 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump. These new shafts are for the Welch 1397 and 1374 DuoSeal belt-driven rotary vane dual stage mechanical vacuum pumps. This is the replacement for Welch part number 411484, guaranteed to meet or exceed OEM specs. Please see the exploded part views in the downloads. This is the shaft only, vacuum pumps and accessories sold separately.

Condition: New



Product Number: P1011986



Price: $184.05



Replacement Shaft For Welch 1376 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump, PN: 411683
Out of Stock


Replacement Shaft For Welch 1376 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump. Welch Part Number 411683. These new shafts are for the Welch 1376 DuoSeal belt-driven rotary vane dual stage mechanical vacuum pumps. We have included the exploded part views for download below. This is the shaft only, vacuum pump and accessories sold separately on this website. We also rebuild or repair your leaking or malfunctioning Welch 1376 vacuum pumps.

Condition: New



Product Number: P105187



Price: $202.40



Welch Pulley Replacement, For Welch 1376 and Welch 1402 DuoSeal Belt Drive, PN 41-2074.
Out of Stock


Welch Pulley Replacement, For Welch 1376 and Welch 1402 DuoSeal Belt Drive. PN: 41-2074, 412074. This is a Pulley Replacement with set screw for Welch 1376 and 1402 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pumps. Part Number: 41-2074

Condition: New



Product Number: P105425



Price: $187.93



Welch Mechanical Shaft Seal Kit (Old Style) for Welch 1397, 1374.
In Stock: 1


Welch Mechanical Shaft Seal Kit for old style Welch 1397, 1374 pumps. This is a mechanical shaft seal kit for Welch old style 1397 or 1374 Belt Drive Rotary Vane Vacuum Pumps. We rebuild most rotary vane vacuum pumps, call for quote, 505-872-0037.

Condition: New



Product Number: P108091



Price: $362.29



Welch 1397 Rotary Vane Pump Oil Case Gasket PN 41-1496
In Stock: 8


Welch 1397 Rotary Vane Pump Oil Case Gasket PN 41-1496 This is an oil case gasket for the Welch 1397 Rotary Vane Pump. This is the oil case gasket ONLY, vacuum pump and accessories sold separately elsewhere on this website. We also rebuild or repair your leaking or malfunctioning Welch vacuum pump.

Condition: New



Product Number: P108459



Price: $30.01



Welch Pulley Replacement, For Welch 1374 DuoSeal Belt Drive Pump, PN 41-1010
In Stock: 2


Welch Pulley Replacement, For Welch 1374 DuoSeal Belt Drive. PN 41-1010. This is a Pulley Replacement with set screw for Welch 1374 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pumps. Has a 1 1/2 horse power motor and fits 1 or 3 phase motors. Part Number: 41-1010.

Condition: New



Product Number: P108693



Price: $265.91



Adapter KF-16 to Welch Vacuum Pumps (New Style), Models 1399, 1400, 1400N, Thread Size 3/4-20
In Stock: 7


Adapter KF-16 to Welch Vacuum Pump Inlet or Outlet (New Style), 1399, 1400, 1400N, Thread Size 3/4-20, Aluminum. 1393F These adapters are KF-16 to Welch vacuum pumps Inlet or Outlet, models 1399, 1400, and 1400N, New Style Pumps. The flange size ISO-KF NW-16 to Welch pump thread size 3/4-20. They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant Aluminum. Adapter KF-16 to Welch vacuum pumps (New Style), models 1399, 1400, and 1410 ISO-KF Flange Size: NW-16 Thread Size: 3/4-20 NPSM Common Dimensions: A = 1.12 in., THIS ADAPTER FOR NEW STYLE WELCH VACUUM PUMPS, ie. A New Style Pump has an oil sight glass that is pressed into the body, click on far right picture for example of a new style pump. FOR Welch 1399 pumps with S/N greater than >26461 OR Welch 1400&1400N S/N greater than >18069. Welch Part Number 1393F.

Condition: New



Product Number: P102758



Price: $124.03



Welch Rubber feet for 1374 and 1397 Belt Drive Pumps, sold as 1 each
Out of Stock


Welch Rubber feet for 1374 and 1397 Belt Drive Pumps, sold as 1 each. Welch PN 61-3070. These Welch pump rubber feet are for 1374 and 1397 Belt Drive Pumps. They support the bottom base of the vacuum pump. Fit Vacuum Pumps Models: Welch 1374, 1397 Dimensions: Height 1.00(25mm) Material: Rubber

Condition: New



Product Number: P103884



Price: $32.53



Rubber Hose Adapter to Welch Vacuum Pump (New Style), Models 1399, 1400, 8805, 8890, Hose ID 7/16
In Stock: 3


Rubber Hose Adapter to Welch Vacuum Pump Exhaust Outlet (New Style), 1399, 1400, 8805, 8890, Thread Size 3/4-20, Hose ID 7/16 inch, Aluminum. 1393J These adapters are for rubber hose to Welch vacuum pumps Exhaust Outlet, models 1399, 1400, 8805, 8890, New Style Pumps. They are made of corrosive resistant Aluminum. Rubber Hose Adapter to Welch vacuum pumps (New Style), models 1399, 1400, 8805, 8890 Thread Size: 3/4-20 NPSM Hose ID: 7/16 inch Common Dimensions: A = 2.25 in., THIS RUBBER HOSE ADAPTER FOR NEW STYLE WELCH VACUUM PUMPS, ie. A New Style Pump has an oil sight glass that is pressed into the body, click on far right picture for example of a new style pump. FOR Welch 1399 pumps with S/N greater than >26461 OR Welch 1400&1400N S/N greater than >18069, OR Welch 8905 All S/N, OR Welch 8890 All S/N. Welch Part Number 1393J.

Condition: New



Product Number: P102761



Price: $116.03



NEW Welch 1397, 1374 Vacuum Pump Exhuast Dust Cap PN 41-1501
In Stock: 1


NEW Welch 1397, 1374 Vacuum Pump Exhuast Dust Cap (PN 41-1501) This is a Welch Dust Cap for 1397 and 1374 DuoSeal Belt Drive Rotary Vane Vacuum Pumps.

Condition: New



Product Number: P103285



Price: $508.89



Replacement Shaft For Welch 1402 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump
In Stock: 3


Replacement Shaft For Welch 1402 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump. Welch Part Number 41-2093. These new shafts are for the Welch 1402 DuoSeal belt-driven rotary vane dual stage mechanical vacuum pumps. We have included the exploded part views for download below. This is the shaft only, vacuum pump and accessories sold separately on this website. We also rebuild or repair your leaking or malfunctioning Welch 1402 vacuum pumps.

Condition: New



Product Number: P107631



Price: $132.89



Replacement Shaft For Welch 1373 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump
Out of Stock


Replacement Shaft For Welch 1373 DuoSeal Belt Drive Rotary Vane Mechanical Vacuum Pump. Welch Part Number 61-8775. These new shafts are for the Welch 1373 DuoSeal belt-driven rotary vane dual stage mechanical vacuum pumps. We have included the exploded part views for download below. This is the shaft only, vacuum pump and accessories sold separately on this website. We also rebuild or repair your leaking or malfunctioning Welch 1373 vacuum pumps.

Condition: New



Product Number: P1011549



Price: $339.60



Rubber Hose Adapter to Welch Vacuum Pump (New Style), Models 1405, 1402, Hose ID 7/16, 1393M
In Stock: 1


Rubber Hose Adapter to Welch Vacuum Pump Exhaust Outlet (New Style), 1405, 1402, Thread Size 1-20, Hose ID 7/16 inch, Aluminum. 1393M These adapters are for rubber hose to Welch vacuum pumps Exhaust Outlet, models 1405, 1402, New Style Pumps. They are made of corrosive resistant Aluminum. Rubber Hose Adapter to Welch vacuum pumps (New Style), models 1405, 1402 Thread Size: 1-20 NPSM Hose ID: 7/16 inch Common Dimensions: A = 2.5 in., THIS RUBBER HOSE ADAPTER FOR NEW STYLE WELCH VACUUM PUMPS, ie. A New Style Pump has an oil sight glass that is pressed into the body, click on far right picture for example of a new style pump. FOR Welch 1405 pumps with S/N greater than >77703 OR Welch 1402&1402N S/N greater than >133218. Welch Part Number 1393M.

Condition: New



Product Number: P102762



Price: $230.42



Adapter KF-25 to Welch Pump (Old Style), 1380, 1402, 1403, 8806, 8811, 8816, 8821, Thread Size 1-20
In Stock: 35
Expecting: 5
Arrival: 5 on 2022-12-30


Adapter KF-25 to Welch Vacuum Pumps (Old Style), 1380, 1402, 1403, 8806, 8811, 8816, 8821, Thread Size 1-20, Stainless SteelThese adapters are KF-25 to Welch vacuum pumps, models, 1380, 1402, 1403, 8806, 8811, 8816, & 8821, Old Style Pumps. The flange size ISO-KF NW-25 to Welch pump thread size 1-20. They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant stainless steel.Adapter KF-25 to Welch vacuum pump (Old Style), models 1380, 1402, 1403, 8806, 8811, 8816, & 8821ISO-KF Flange Size: NW-25Thread Size: 1-20 NPSMCommon Dimensions: A = 2.76 in., B = 0.56 in.FOR OLD STYLE WELCH VACUUM PUMPS, ie. An Old Style Pump has an oil sight glass held in place with a bolt ring, click on far right picture for example of an old style pump.

Condition: New



Product Number: P101305



Price: $117.30



Adapter KF-25 to Welch Vacuum Pumps (New Style), Models 1376, 1380, 1402, 1405, Thread Size 1-20
In Stock: 8
Expecting: 1
Arrival: 1 on 2020-10-09


Adapter KF-25 to Welch Vacuum Pump Inlet or Outlet (New Style), 1376, 1380, 1402, 1405, Thread Size 1-20, Aluminum. 1393G These adapters are KF-25 to Welch vacuum pumps Inlet or Outlet, models 1376, 1380, 1402, 1405, New Style Pumps. The flange size ISO-KF NW-25 to Welch pump thread size 1-20. They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant Aluminum. Adapter KF-25 to Welch vacuum pumps (New Style), models 1376, 1380, 1402, 1405, ISO-KF Flange Size: NW-25 Thread Size: 1-20 NPSM Common Dimensions: A = 1.2 in. FOR NEW STYLE WELCH VACUUM PUMPS A New Style Pump has an oil sight glass that is pressed into the body, click on far right picture for example of a new style pump. FOR Welch 1405 pumps with S/N greater than >77703 OR Welch 1380 S/N greater than >2114, OR Welch 1402&1402N S/N greater than >133218, OR Welch 1376&1376N S/N greater than >14594. Welch Part Number 1393G.

Condition: New



Product Number: P102759



Price: $188.38



Hose Adapter to Welch (New Style), Models 1376, 1380, 1402, 1405, 8907/12,17,20,25, Hose ID 13/16
In Stock: 1


Rubber Hose Adapter to Welch Vacuum Pump Exhaust Outlet (New Style), 1376, 1380, 1402, 1405, 8907, 8912, 8917, 8920, 8925. Thread Size 1-20, Hose ID 13/16 inch, Aluminum. 1393K These adapters are for rubber hose to Welch vacuum pumps Exhaust Outlet, models 1376, 1380, 1402, 1405, 8907, 8912, 8917, 8920, 8925, New Style Pumps. They are made of corrosive resistant Aluminum. Rubber Hose Adapter to Welch vacuum pumps (New Style), models 1376, 1380, 1402, 1405, 8907, 8912, 8917, 8920, 8925. Thread Size: 1-20 NPSM Hose ID: 13/16 inch Common Dimensions: A = 2.5 in., THIS RUBBER HOSE ADAPTER FOR NEW STYLE WELCH VACUUM PUMPS, ie. A New Style Pump has an oil sight glass that is pressed into the body, click on far right picture for example of a new style pump. FOR Welch 1376 pumps with S/N greater than >14594 OR Welch 1380 S/N greater than >2114 OR Welch 1402&1402N S/N greater than >133218 OR Welch 1405 S/N greater than >77703 OR 8907, 8912, 8917, 8920, 8925 ALL S/N Serial Numbers. Welch Part Number 1393K.

Condition: New



Product Number: P102763



Price: $171.14



Hose Adapter to Welch Pumps (Old Style) 1380, 1402, 1403, 8806, 8811, 8816, 8821, Thread Size 1-20
In Stock: 3


Hose Adapter to Welch Pumps (Old Style) 1380, 1402, 1403, 8806, 8811, 8816, 8821, Thread Size 1-20, for 1 inch ID Hose. These hose adapters are designed for Welch vacuum pumps (old style) models 1380, 1402, 1403, 8806, 8811, 8816, 8821. These intake fittings have a thread Size 1-20 and are used with 1 inch ID rubber vacuum hose. These are surplus fittings that have been removed from used pumps, cleaned, and a new gasket installed. They discontinued and can not be ordered new (original Welch part number 41-0993).

Condition: New



Product Number: P103552



Price: $181.93



Adapter KF-40 to Welch Vacuum Pumps (Old Style), Models 1373, 1376, 8831, Thread Size 1-1/2-12
In Stock: 8


Adapter KF-40 to Welch Vacuum Pumps, Models (Old Style), 1373, 1376, 8831, Thread Size 1-1/2-12, Stainless SteelThese adapters are KF-25 to Welch vacuum pumps, models, 1380, 1402, 1403, 8806, 8811, 8816, & 8821, Old Style Pumps. The flange size ISO-KF NW-25 to Welch pump thread size 1-20. They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant stainless steel.Adapter KF-40 to Welch vacuum pump (Old Style), Models 1373, 1376, & 8831ISO-KF Flange Size: NW-40Thread Size: 1-1/2-12 NPSMCommon Dimensions: A = 2.50 in., B = 1.125 in.FOR OLD STYLE WELCH VACUUM PUMPS, ie. An Old Style Pump has an oil sight glass held in place with a bolt ring, click on far right picture for example of an old style pump.

Condition: New



Product Number: P101306



Price: $129.11



Adapter KF-40 to Welch Vacuum Pumps (Old Style), Models 1374, 1397, 8851, Thread Size 1-3/4-20
In Stock: 20
Expecting: 6
Arrival: 6 on 2022-12-30


Adapter KF-40 to Welch Vacuum Pumps (Old Style), 1374, 1397, 8851, Thread Size 1-3/4-20, Stainless SteelThese adapters are KF-25 to Welch vacuum pumps, models, 1374, 1397, & 8851, Old Style Pumps. The flange size ISO-KF NW-40 to Welch pump thread size 1-3/4-20. They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant stainless steel.Adapter KF-40 to Welch vacuum pump (Old Style), Models 1374, 1397, & 8851ISO-KF Flange Size: NW-40Thread Size: 1-3/4-20 NPSMCommon Dimensions: A = 2.50 in., B = 1.375 in.FOR OLD STYLE WELCH VACUUM PUMPS, ie. An Old Style Pump has an oil sight glass held in place with a bolt ring, click on far right picture for example of an old style pump.

Condition: New



Product Number: P101307



Price: $150.63



Adapter KF-40 to Welch Vacuum Pumps (New Style), Models 1374, 1397, Thread Size 1-3/4-20, 1393H
In Stock: 9


Adapter KF-40 to Welch Vacuum Pump Inlet or Outlet (New Style), 1374, 1397, Thread Size 1-3/4-20, Aluminum. 1393H These adapters are KF-40 to Welch vacuum pumps Inlet or Outlet, models 1374, 1397, New Style Pumps. The flange size ISO-KF NW-40 to Welch pump thread size 1-3/4 OD with 20 thread turns per inch. They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant Aluminum. Adapter KF-40 to Welch vacuum pumps (New Style), models 1374, 1397, ISO-KF Flange Size: NW-40 Thread Size: 1-3/4 by 20 NPSM Common Dimensions: A = 1.4 in., FOR NEW STYLE WELCH VACUUM PUMPS A New Style Pump has an oil sight glass that is pressed into the body, click on far right picture for example of a new style pump. FOR Welch 1374 pumps with S/N greater than 73519 OR Welch 1397 S/N greater than 51217. Welch Part Number 1393H.

Condition: New



Product Number: P102760



Price: $254.46



Hose Adapter to Welch Pump (New Style), Models 1374, 1397, Hose ID 1 5/8 1393L
In Stock: 3


Rubber Hose Adapter to Welch Vacuum Pump Exhaust Outlet (New Style), 1374, 1397, Thread Size 1 3/4-20, Hose ID 1 5/8 inch, Aluminum. 1393L These adapters are for rubber hose to Welch vacuum pumps Exhaust Outlet, models 1374, 1397, New Style Pumps. They are made of corrosive resistant Aluminum. Rubber Hose Adapter to Welch vacuum pumps (New Style), models 1374, 1397. Thread Size: 1 3/4 -20 NPSM Hose ID: 1 5/8 inch Common Dimensions: A = 2.5 in., THIS RUBBER HOSE ADAPTER FOR NEW STYLE WELCH VACUUM PUMPS A New Style Pump has an oil sight glass that is pressed into the body, click on far right picture for example of a new style pump. FOR Welch 1374 pumps with S/N greater than >73519 OR Welch 1397 S/N greater than >51217. Welch Part Number 1393L.

Condition: New



Product Number: P102764



Price: $220.93



Adapter KF-25 to Welch Vacuum Pump Thread Size 1-1/8-20, Models 8907, 8912, 8917, 8920, 8925, SS
In Stock: 2


Adapter KF-25 to Welch Vacuum Pump Inlets, 8907, 8912, 8917, 8920, 8925, Thread Size 1 1/8-20 thread size, Stainless Steel Welch PN 8907K-05. Fits on 1.125 in. -20 Threaded Inlet Port. These adapters are KF-25 to 1 1/8-20 thread size, Welch vacuum pump Inlets, for direct drive model pumps 8907, 8912, 8917, 8920, 8925 all serial numbers. They are commonly used to make connections between Welch vacuum pumps and ISO-KF Flanges. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of stainless steel.

Condition: New



Product Number: P107511



Price: $180.81



Welch Vacuum Plug Oil Fill for 8905A, 8920A, 8925A, 1402 Rotary Vane Pumps PN 61-2372
Out of Stock


Welch Vacuum Plug Oil Fill (Sold as 1 each) This is the New Welch Vacuum Pug Oil Fill for 8905A, 8920A, 8925A & 1402N Pumps. Please see below in our “Related” section for additional accessories that may benefit your vacuum applications and maintenance needs. We offer a large variety of vacuum greases, vacuum fittings, hoses, vacuum gauges, sensors/transducers and accessories sold separately on this website. Call us for a quote (505) 872-0037.

Condition: New



Product Number: P1010394



Price: $58.83



Welch Vacuum Plug Oil Fill For 8907, 8912, 8917 Rotary Vane Pumps PN 61-6020
In Stock: 1
Expecting: 1
Arrival: 1 on 2022-12-30


Welch Vacuum Plug Oil Fill (Sold as 1 each) This is the New Welch Vacuum Pug Oil Fill for 8907, 8912, 8917 Pumps. Please see below in our “Related” section for additional accessories that may benefit your vacuum applications and maintenance needs. We offer a large variety of vacuum greases, vacuum fittings, hoses, vacuum gauges, sensors/transducers and accessories sold separately on this website. Call us for a quote (505) 872-0037.

Condition: New



Product Number: P1011374



Price: $47.14



Welch CRVpro 16, 24, 30 Pump Fan for Motor, PN S3123-99
Out of Stock


Welch CRVpro 16, 24, 30 Pump Fan for Motor, PN S3123-99 This is a Welch Fan for the Motor which fits all Welch rotary vane CRVpro pumps from size 16, 24, 30. These include the following pumps: CRVpro 16 CRVpro 24 CRVpro 30

Condition: New



Product Number: P1011800



Price: $18.23



Welch CRVpro 2, 4, 6, 8,16, 24, 30 Drain Plug Valve Kit, PN S3222-99
Out of Stock


Welch Vacuum Pump Oil Drain Plug Valve Kit for CRVpro 2, 4, 6, 8,16, 24, 30 This is a Welch Oil Drain Plug Valve Kit which fits all Welch rotary vane CRVpro pumps from size 2 through 30. These include the following pumps: CRVpro 2 CRVpro 4 CRVpro 6 CRVpro 8 CRVpro 16 CRVpro 24 CRVpro 30

Condition: New



Product Number: P1011142



Price: $95.93



Welch CRVpro 16, 24, 30 Bushing, PN: S3153-99
Out of Stock


Welch CRVpro 16, 24, 30 Bushing, PN: S3153-99 This is a Welch bushing which fits Welch rotary vane CRVpro pumps from size 16 through 30. We also can supply minor and major rebuild kits for your CRVpro pump.

Condition: New



Product Number: P1011424



Price: $100.49



Welch 1402, 1397 Belt Drive, 8907, 8912 Direct Drive Vacuum Pump Oil Drain Plug Valve
In Stock: 5


NEW Welch Vacuum Pump Oil Drain Plug Valve - PN 61-2278 (Sold as 1 each) This is a Welch Oil Drain Plug Valve and fits the following Welch Vacuum Pumps: Direct Drive DirecTorr: 8907A, 8912A, 8917A Belt Drive DuoSeal: 1374, 1376, 1380, 1397, 1399, 1400, 1402, 1405 Gelmaster: 1426 ChemStar: 1400N, 1402N, 1376N

Condition: New



Product Number: P104931



Price: $75.99



Welch Seal Gasket for DuoSeal 1397 or 1374 Belt Drive Vacuum Pumps
In Stock: 5


Welch Seal Gasket for 1397 or 1374 Belt Drive Vacuum Pumps - PN 41-1494 (Sold as 1 each) This is a Seal Gasket for DuoSeal 1397 or 1374 Welch Belt Drive Vacuum Pumps For: Welch Belt Drive DuoSeal Vacuum Pumps: 1374, 1397

Condition: New



Product Number: P108880



Price: $15.65



Welch 1374/1397 Cast Iron Vane 1st Stage
In Stock: 2


Welch 1374/1397 Cast Iron Vane 1st Stage This is a cast iron vane for DuoSeal 1397 or 1374 Welch Belt Drive Vacuum Pumps. For: Welch Belt Drive DuoSeal Vacuum Pumps: 1374, 1397

Condition: New



Product Number: P109725



Price: $206.37



Welch 1374/1376/1397/1402/1402N Cast Iron Vane 2nd Stage Small
In Stock: 4


Welch 1374/1376/1397/1402/1402N Cast Iron Vane 2nd Stage Small This is a cast iron 2nd stage vane for DuoSeal 1374/1376/1397/1402/1402N Welch Belt Drive Vacuum Pumps. For: Welch Belt Drive DuoSeal Vacuum Pumps: 1374/1376/1397/1402/1402N

Condition: New



Product Number: P109742



Price: $88.86



Welch Vacuum Vented Exhaust Gas Ballast Valve, PN: 41-1736
Out of Stock


Welch Vacuum Vented Exhaust Gas Ballast Valve. This is a Gas Ballast Valve for DuoSeal 1376/1380/1397/1374/1400/1402/1405 Welch Belt Drive Vacuum Pumps. For: Welch Belt Drive DuoSeal Vacuum Pumps: 1376/1380/1397/1374/1400/1402/1405.

Condition: New



Product Number: P1011293



Price: $154.18



Welch Pump Shaft and Collar Kit, for oil sealed rotary vane pumps models 1374, 1397, PN 41-1484
Out of Stock


Welch Pump Shaft and Collar Kit, for oil sealed rotary vane pumps models 1374, 1397. This is a Shaft and Collar Kit for DuoSeal 1374 and 1397 Welch Belt Drive Vacuum Pumps. For: Welch Belt Drive DuoSeal Vacuum Pumps: 1374, 1397 - PN 41-1484.

Condition: New



Product Number: P1011348



Price: $551.28



Welch Pump Vacuum Center Plate for 1374, 1397 Pumps, PN 61-8689
Out of Stock


Welch Pump Vacuum Center Plate ,for oil sealed rotary vane pumps models 1374, 1397. This is a Pump Vacuum Center Plate for DuoSeal 1374 and 1397 Welch Belt Drive Vacuum Pumps. For: Welch Belt Drive DuoSeal Vacuum Pumps: 1374, 1397 - PN 61-8689.

Condition: New



Product Number: P1011349



Price: $1,487.31



Welch Pump Vacuum End Plate Gray for 1374, 1397 Pumps, PN 61-8770
Out of Stock


Welch Pump Vacuum End Plate Gray for oil sealed rotary vane pumps models 1374, 1397. This is a Pump Vacuum End Plate Gray for DuoSeal 1374 and 1397 Welch Belt Drive Vacuum Pumps. For: Welch Belt Drive DuoSeal Vacuum Pumps: 1374, 1397 - PN 61-8770

Condition: New



Product Number: P1011350



Price: $1,333.82



Welch Pump Vacuum Fore Stator for Rotary Vane Pumps CRVpro 30 PN: S3190-99
Out of Stock


Welch Pump Vacuum Fore Stator for Rotary Vane Pumps CRVpro 30. This is a Pump Vacuum Fore Stator for Welch CRVpro 30 Direct Drive Vacuum Pumps. For: Welch Direct Drive Pump CRVpro30: PN: S3190-99

Condition: New



Product Number: P1011351



Price: $863.26



Welch Thrust Disk for 1373, 1380, DuoSeal Vacuum Pumps, PN: 41-1766
Out of Stock


Welch Thrust Disk for 1373, 1380, DuoSeal Vacuum Pumps PN: 41-1766 This is a New Welch Thrust Disk for 1373, 1380, DuoSeal Vacuum Pumps, PN: 41-1766. Requires three for rebuild, sold individually. We also offer Major and Minor Repair kits that contain this part.

Condition: New



Product Number: P1011425



Price: $20.21



Welch Brown Viton No. 120 O-Ring for 1400, 1400N, DuoSeal Vacuum Pumps, PN: 66-0183
Out of Stock


Welch Brown O-Ring for 1400, 1400N, DuoSeal Vacuum Pumps PN: 66-0183 This is a New Welch Brown, Viton O-Ring #120, 25.07 mm x 2.62 mm, for 1400, 1400N, DuoSeal Vacuum Pumps, PN: 66-0183. ,We also offer Major and Minor Repair kits that contain this part.

Condition: New



Product Number: P1011427



Price: $25.10



Welch O-Ring, M2 x 86 mm for 1400, 1400N, DuoSeal Vacuum Pumps, PN: 61-8665
Out of Stock


Welch O-Ring, M2 x 86 mm for 1400, 1400N, DuoSeal Vacuum Pumps PN: 61-8665 This is a New Welch O-Ring, M2 x 86 mm for 1400, 1400N, DuoSeal Vacuum Pumps, PN: 61-8665. We also offer Major and Minor Repair kits that contain this part.

Condition: New



Product Number: P1011428



Price: $44.26



Welch O-Ring, Viton No. 152, 82.22 mm x 2.62 mm for 1400, 1400N, DuoSeal Vacuum Pumps, PN: 61-9378
Out of Stock


Welch O-Ring, Viton No. 152, 82.22 mm x 2.62 mm for 1400, 1400N, DuoSeal Vacuum Pumps PN: 61-9378 This is a New Welch O-Ring, Viton No. 152, 82.22 mm x 2.62 mm for 1400, 1400N, DuoSeal Vacuum Pumps, PN: 61-9378. We also offer Major and Minor Repair kits that contain this part.

Condition: New



Product Number: P1011429



Price: $25.10



Welch O-Ring, Viton, No. 224, 51.1 mm x 3.53 mm for 1397, 1374, DuoSeal Vacuum Pumps, PN: 61-8475
Out of Stock


Welch O-Ring, Viton, No. 224, 51.1 mm x 3.53 mm for 1397, 1374, DuoSeal Vacuum Pumps PN: 61-8475 This is a New Welch O-Ring, Viton, No. 224, 51.1 mm x 3.53 mm for 1397, 1374, DuoSeal Vacuum Pumps, PN: 61-8475. We also offer Major and Minor Repair kits that contain this part.

Condition: New



Product Number: P1011521



Price: $33.16



Welch Headless Iron Set Screw, 1/4" x 2-1/4", for 1402 DuoSeal Vacuum Pumps, PN: 41-2175
Out of Stock


Welch Headless Iron Set Screw, 1/4 x 2-1/4, for 1402 DuoSeal Vacuum Pumps, PN: 41-2175 PN: 61-9378 This is a New Welch Headless Iron Set Screw, 1/4 x 2-1/4, for 1402 DuoSeal Vacuum Pumps, PN: 41-2175. One is required. We also offer Major and Minor Repair kits that contain this part.

Condition: New



Product Number: P1011430



Price: $20.21



Welch Large (First Stage) Spring Holder for 1402 DuoSeal Vacuum Pumps, PN: 61-8930
In Stock: 1


Welch Large (First Stage) Spring Holder for 1402 DuoSeal Vacuum Pumps PN: 61-8930 This is a New Welch Large, First Stage Spring Holder for 1402 DuoSeal Vacuum Pumps, PN: 61-8930. Requires three. Sold individually. We also offer Major and Minor Repair kits that contain this part.

Condition: New



Product Number: P1011431



Price: $63.48



Welch Drain Plug for GEM 8905A and DirecTorr 8890A Direct Drive Rotary Vane Pumps, PN: 61-2413
In Stock: 1


Welch Drain Plug for GEM 8905A and DirecTorr 8890A Direct Drive Rotary Vane Pumps PN: 61-2413 This is a New Welch Drain Plug for GEM 8905A and DirecTorr 8890A Direct Drive Rotary Vane Pumps, PN: 61-2413. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011437



Price: $52.58



Welch Sight Glass for 1402 DuoSeal Pumps, PN: 61-2229A
Out of Stock


Welch Sight Glass for 1402 DuoSeal Pumps PN: 61-2229A This is a New Welch Sight Glass for 1402 DuoSeal Pumps, PN: 61-2229A. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011439



Price: $49.91



Welch Hex Steel Nut, 3/16" x 1/4"-20 x 7/16" for 1376 and other Vacuum Pumps, PN: 2-31-0112
Out of Stock


Welch Hex Steel Nut, 3/16 x 1/4-20 x 7/16 for Vacuum Pumps PN: 2-31-0112 This is a New Welch Welch Hex Steel Nut, 3/16 x 1/4-20 x 7/16 for 1376 and other Vacuum Pumps, PN: 2-31-0112. Sold One Each. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011440



Price: $25.10



Welch Oil Case Gasket for 1373,1376,1380,1402,1403 DuoSeal Vacuum Pumps, PN: 41-0403
Out of Stock


Welch Oil Case Gasket for 1373,1376,1380,1402,1403 DuoSeal Vacuum Pumps PN: PN: 41-0403 This is a New Welch Oil Case Gasket for 1373,1376,1380,1402,1403 DuoSeal Vacuum Pumps, PN: 41-0403. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011441



Price: $27.86



Welch Oil Case Gasket for Welch Gasket Case for 1399, 1400, 1410 Duoseal Vacuum Pumps, PN: 41-1502
Out of Stock


Welch Oil Case Gasket for Welch Gasket Case for 1399, 1400, 1410 Duoseal Vacuum Pumps PN: PN: 41-1502 This is a New Welch Oil Case Gasket for Welch Gasket Case for 1399, 1400, 1410 Duoseal Vacuum Pumps, PN: 41-1502. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011517



Price: $39.70



Welch Intake Chamber Cover Gasket for 1373, 1376 Duoseal Vacuum Pumps, PN: 41-0234
Out of Stock


Welch Intake Chamber Cover Gasket for 1373, 1376 Duoseal Vacuum Pumps PN: PN: 41-0234 This is a New Welch Intake Chamber Cover Gasket for 1373, 1376 Duoseal Vacuum Pumps. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011520



Price: $10.39



Welch Shaft Assembly for 1380 DuoSeal Vacuum Pumps, PN: 41-1773
Out of Stock


Welch Shaft Assembly for 1380 DuoSeal Vacuum Pumps PN: PN: 41-1773 This is a New Welch Shaft Assembly for 1380 DuoSeal Vacuum Pumps, PN: 41-1773. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011442



Price: $803.25



Welch Mechanical Neoprene Seal Kit for 1373, 1376, 1379, 1380,1402, 1405 DuoSeal Vacuum Pumps, PN: 1401D
In Stock: 2


Welch Mechanical Neoprene Seal Kit for 1373, 1376, 1379, 1380,1402, 1405 DuoSeal Vacuum Pumps PN: 1401D This is a New Welch Mechanical Neoprene Seal Kit for 1373, 1376, 1379, 1380,1402, 1405 DuoSeal Vacuum Pumps, PN: 1401D. Includes screws. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011443



Price: $176.33



Welch 6 x 1/4" Sheet Metal Screw for 1374, 1402 and other DuoSeal Vacuum Pumps, PN: 62-0259 Qty. 10
Out of Stock


Welch 6 x 1/4 Sheet Metal Screw for 1374, 1402 and other DuoSeal Vacuum Pumps PN: 62-0259 Qty. 10 This is a New Welch 6 x 1/4 Sheet Metal Screw for 1374, 1402 and other DuoSeal Vacuum Pumps, PN: 62-0259. Sold individually. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011444



Price: $25.10



Drain Valve for Welch 1373, 1374, 1376, 1380, 1397, 1399, 1400, 1402, 1405, 1410 DuoSeal Vacuum Pumps
In Stock: 6


Drain Valve for Welch 1373,1374,1376,1380,1397,1399,1400,1402,1405,1410 DuoSeal Vacuum Pumps This is a new replacement drain valve for Welch 1373, 1374, 1376, 1380, 1397, 1399, 1400, 1402, 1405, 1410 DuoSeal Vacuum Pumps, Replaces Welch PN: 41-1734. 1/4 Male NPT connector. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011445



Price: $48.04



Welch Valve Spring for Block for 1376, 1402 DuoSeal Vacuum Pumps, PN: 41-2158
Out of Stock


Welch Valve Spring for Block for 1376, 1402 DuoSeal Vacuum Pumps PN: 41-2158 This is a New Welch Valve Spring for Block for 1376, 1402 DuoSeal Vacuum Pumps, PN: 41-2158. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011446



Price: $26.03



Welch Thrust Washer for 1373, 1376, 1380, 1402, 1405 DuoSeal Vacuum Pumps, PN: 41-0508
Out of Stock


Welch Thrust Washer for 1373, 1376, 1380, 1402, 1405 DuoSeal Vacuum Pumps PN: 41-0508 This is a New Welch Thrust Washer for 1373, 1376, 1380, 1402, 1405 DuoSeal Vacuum Pumps, PN: 41-0508. We also offer major and minor repair kits for these pumps.

Condition: New



Product Number: P1011447



Price: $31.45



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CONTACT US
Ideal Vacuum Products, LLC
5910 Midway Park Blvd NE,
Albuquerque, NM 87109-5805

Phone: (505) 872-0037
Fax: (505) 872-9001
info@idealvac.com