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Welch 2511 WOB-L Piston Pressure Pump Compressor, 21.3 in Hg, 219 Torr Vacuum, 11 LPM, 0.39 CFM, 115 VAC
Out of Stock


The Welch 2511 is a vacuum and pressure pump all-in-one and is perfect for many common laboratory vacuum applications. The 2511 produces an ultimate vacuum pressure of 219 Torr (21.3 inches of Hg), maximum positive pressure up to 33 PSIG, and has a 11 liters per minute (0.39 CFM) pumping speed. Applications Include: Filtration, Aspiration, Desiccation, Replace water aspirator and Vacuum Drying. The Welch 2511 WOB-L pressure and vacuum pump come with intake and discharge hose barbs which accept 1/4 ID rubber pressure and vacuum hose. Hose clamps should be used to hold the hose in place. For best results, we recommend the length of the tubing between the chamber and the pump be kept as small as possible.

Condition: New



Product Number: P1011489



Price: $365.00



Welch 2522 WOB-L Piston Pressure And Vacuum Pump, 100 PSI, 110 Torr Vacuum, 22 LPM, 115 VAC
In Stock: 1


The Welch 2522 is a vacuum and pressure pump all-in-one and are perfect for many common laboratory vacuum applications. The 2522 produces an ultimate vacuum pressure of 110 Torr (25.6 inches of Hg), maximum positive pressure up to 100 PSI, has a 22 liters per minute (0.76 CFM) pumping speed, and includes dial pressure gauges, regulators, and moisture traps on both the vacuum low pressure and positive pressure sides of the pump. The Welch 2522 WOB-L is a laboratory duty dry oil-free diaphragm vacuum and pressure pump all-in-one. It produces vacuum on the suction side and pressurizes those evacuated gases to positive pressure one the other side. The Welch 2522 includes both vacuum and positive pressure side regulators, dial gauges, and moisture traps. The two regulators and two gauges make it easy to meet your vacuum and pressure requirements. The vacuum regulator and vacuum dial gauge are attached to the intake port. The vacuum regulator allows the vacuum level to be set between roughly atmospheric pressure and the maximum vacuum allowed for the pump model. A moisture trap keeps water from accidentally being drawn into the unit. The pressure regulator and pressure dial gauges are attached to the discharge port. The pressure regulator allows discharge pressure to be set between atmospheric and the maximum possible for the pump model. Discharge air is filtered and noise is muffled with a filter.

Condition: New



Product Number: P105864



Price: $630.00



Welch 2534 WOB-L Piston Pressure And Vacuum Pump, 50 PSI, 95 Torr Vacuum, 34 LPM, 115 VAC
Out of Stock


The Welch 2534 is a vacuum and pressure pump all-in-one is are perfect for many common laboratory vacuum applications. The 2534 produces an ultimate vacuum pressure of 95 Torr (26.2 inches of Hg), maximum positive pressure up to 50 PSI, has a 34 liters per minute (1.20 CFM) pumping speed, and includes dial pressure gauges, regulators, and moisture traps on both the vacuum low pressure and positive pressure sides of the pump. The Welch 2534 WOB-L is a laboratory duty dry oil-free diaphragm vacuum and pressure pump all-in-one. It produces vacuum on the suction side and pressurizes those evacuated gases to positive pressure one the other side. The Welch 2534 includes both vacuum and positive pressure side regulators, dial gauges, and moisture traps. The two regulators and two gauges make it easy to meet your vacuum and pressure requirements. The vacuum regulator and vacuum dial gauge are attached to the intake port. The vacuum regulator allows the vacuum level to be set between roughly atmospheric pressure and the maximum vacuum allowed for the pump model. A moisture trap keeps water from accidentally being drawn into the unit. The pressure regulator and pressure dial gauges are attached to the discharge port. The pressure regulator allows discharge pressure to be set between atmospheric and the maximum possible for the pump model. Discharge air is filtered and noise is muffled with a filter.

Condition: New



Product Number: P105865



Price: $715.00



Welch 2546 WOB-L Piston Pressure And Vacuum Pump, 100 PSI, 60 Torr Vacuum, 45 LPM, 115 VAC
In Stock: 2


The Welch 2546 is a vacuum and pressure pump all-in-one and is perfect for many common laboratory vacuum applications. The 2546 produces an ultimate vacuum pressure of 60 Torr (27.6 inches of Hg), maximum positive pressure up to 50 PSI, has a 45 liters per minute (1.6CFM) pumping speed, and includes dial pressure gauges, regulators, and moisture traps on both the vacuum low pressure and positive pressure sides of the pump. The Welch 2546 WOB-L is a laboratory duty dry oil-free diaphragm vacuum and pressure pump all-in-one. It produces vacuum on the suction side and pressurizes those evacuated gases to positive pressure one the other side. The Welch 2546 includes both vacuum and positive pressure side regulators, dial gauges, and moisture traps. The two regulators and two gauges make it easy to meet your vacuum and pressure requirements. The vacuum regulator and vacuum dial gauge are attached to the intake port. The vacuum regulator allows the vacuum level to be set between roughly atmospheric pressure and the maximum vacuum allowed for the pump model. A moisture trap keeps water from accidentally being drawn into the unit. The pressure regulator and pressure dial gauges are attached to the discharge port. The pressure regulator allows discharge pressure to be set between atmospheric and the maximum possible for the pump model. Discharge air is filtered and noise is muffled with a filter.

Condition: New



Product Number: P108865



Price: $795.00



Welch 2561B-50 WOB-L Laboratory Dry Oil-Free Piston Vacuum Pump, 65 LPM, 5 torr, 115 VAC
Out of Stock
Expecting: 1
Arrival: 1 on 2020-12-08


These Welch 2561B-50 laboratory duty dry oil-free dual stage piston vacuum pumps are perfect for many common laboratory vacuum applications. The 2516-50 produces and ultimate vacuum pressure of 5 Torr (29.8 inches of Hg) and includes a vacuum regulator with a built in vacuum gauge which is simple to adjust & monitor the vacuum level. The 2561B-50 WOB-L pump includes an inlet water trap with float ball that rises to seal off the vacuum pump in case of accidental ingestion of water and a muffler which quiets the pump and filters discharge air. These Welch 2561B-50 WOB-L piston pumps operate on 1-Phase 110 to 120 VAC at 50/60 Hz and are designed for use with dry or aqueous vapor applications only. A user's instruction manual in PDF format is available for downloaded below.

Condition: New



Product Number: P105861



Price: $1,845.00



Welch 2562B-01 WOB-L Laboratory Dry Oil-Free Piston Vacuum Pump, 65 LPM, 7.5 torr, 115 VAC
In Stock: 1


These Welch 2562B-01 laboratory duty dry oil-free piston vacuum pumps are perfect for many common laboratory vacuum applications. The 2562B-01 produces and ultimate vacuum pressure of 7.5 Torr (29.6 inches of Hg) but do NOT include a vacuum regulator, pressure gauge, or water vapor trap. These Welch 2562B-01 WOB-L piston pumps operate on 1-Phase 110 to 120 VAC at 50/60 Hz and are designed for use with dry applications only. A user's instruction manual in PDF format is available for downloaded below.

Condition: New



Product Number: P105862



Price: $1,165.00



Welch 2581B-50 WOB-L Laboratory Dry Oil-Free Piston Vacuum Pump, 3.5 CFM/100 LPM, 5 torr, 115 VAC
Out of Stock


These Welch 2581B-50 laboratory duty dry oil-free dual stage diaphragm vacuum pumps are perfect for many common laboratory vacuum applications. The 2581B-50 produces and ultimate vacuum pressure of 5 Torr 29.8 inches of Hg and includes a vacuum regulator with a built in vacuum gauge which is simple to adjust & monitor the vacuum level. The 2581B-50 pump includes an inlet water trap with float ball that rises to seal off the vacuum pump in case of accidental ingestion of water and a muffler which quiets the pump and filters discharge air. These Welch 2581B-50 piston pumps operate on 1-Phase 110 to 120 VAC at 50/60 Hz and are designed for use with dry or aqueous vapor applications only.

Condition: New



Product Number: P107419



Price: $2,520.00



Welch 2585B WOB-L Laboratory Dry Oil-Free Piston Vacuum Pump, 201 LPM, 60 torr, 115 VAC
Out of Stock


These Welch 2585B-50 laboratory duty dry oil-free dual stage diaphragm vacuum pumps are perfect for many common laboratory vacuum applications. The 2585B-50 produces and ultimate vacuum pressure of 60 Torr 27.6 inches of Hg and includes a vacuum regulator with a built in vacuum gauge which is simple to adjust & monitor the vacuum level. The 2585B-50 WOB-L pump includes an inlet water trap with float ball that rises to seal off the vacuum pump in case of accidental ingestion of water and a muffler which quiets the pump and filters discharge air. These Welch 2585B-50 WOB-L piston pumps operate on 1-Phase 110 to 120 VAC at 50/60 Hz and are designed for use with dry or aqueous vapor applications only. A user's instruction manual in PDF format is available for downloaded below.

Condition: New



Product Number: P105904



Price: $2,110.00



OEM Welch 2522 Standard Duty Dry Vacuum Pump Major Rebuild Kit for Welch 2522B-01 pumps
Out of Stock
Expecting: 1
Arrival: 1 on 2020-12-08


This is a one head major service rebuild kit for the 2522B-01 WOB-L Welch Diaphragm Pumps. These are OEM Genuine Welch Parts.

Condition: New



Product Number: P107529



Price: $198.00



Welch 2563 Two-Head Rebuild Kit for Welch Standard Duty Dry Vacuum Pump Model 2561 and 2563
In Stock: 1


This is a two-head service rebuild kit for the 2561 and 2563 Welch standard duty dry piston pumps. These are OEM Genuine Welch Parts.

Condition: New



Product Number: P108851



Price: $366.00



Welch 2561 Vacuum Exhaust Silencer for 2561 Welch Pumps
Out of Stock


New Welch Vacuum Exhaust Silencer for Welch 2561 Pump (Sold Seperately)

Condition: New



Product Number: P1010089



Price: $58.00



Welch Vacuum Regulator with Inlet Separator Jar - PN 2565K-50
Out of Stock


The 2565K-50 includes an inlet trap to help prevent ingestion of fluids into the pump, a dial gauge for continuous vacuum level monitoring and a regulator bleed valve to adjust vacuum levels. It has a 3/8" I.D. hose barb connection, and a 1/4" NPT male mount. FITS on Welch Pumps 2560, 2561, 2562, 2563, 2565, 2567.

Condition: New



Product Number: P1011038



Price: $224.00



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5910 Midway Park Blvd NE,
Albuquerque, NM 87109-5805

Phone: (505) 872-0037
Fax: (505) 872-9001
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