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Stokes 148H-10 Microvac Oil-Sealed Rotary Piston Vacuum Pump, 50 CFM, 25 mTorr, Rebuilt


The Stokes Pennwalt Model 148H-10 is a large 50 CFM oil-sealed rotary piston vacuum pump that is the standard for industrial roughing vacuum applications. The Stokes 148-10 can rough from atmosphere to itís 2.5x10-2 Torr ultimate pressure and have a 2 horse power motor. The Stokes Pennwalt Microvac pumps are self-contained, oil-sealed rotary piston type units. The piston is driven eccentrically around the pump shaft and guides through two floating hinge bars that are free to oscillate in the pump housing. The exhaust valves are of the corrosion-resistant, heavy duty, poppet type. When the pump is in operation, lubrication of the internal parts is completely automatic. Oil is forced by atmospheric pressure from the reservoir through the oil lines to the shaft bearings. The oil is then fed into the pump to provide the necessary piston-to-cylinder oil seal. Finally, the oil is forced out through the exhaust valve with the air and returns to the reservoir. A solenoid valve automatically prevents oil from flooding the pump in the event of a power failure, or when the pump is shutdown without vacuum being broken. These Stokes 148H-10 oil-sealed rotary piston vacuum pumps require 1-1/4 gallons of Edward's Stokes V-Lube grade F vacuum pump oil, have a 1-1/2 inch ASA inlet flange, a 1-1/2 inch female NPT exhaust discharge port, are air cooled, and operate on 3-Phase 208-230 VAC or 440-480 VAC at 60 Hz. The pump intake is 1-1/2 inch ASA ANSI without o-ring groove, therefore, the intake adapter fitting need to include an o-ring groove and some options are listed in the optional accessories section below. The Stokes 148H-10 user's instruction and parts manuals are available in PDF format below.

Condition: Rebuilt



Product Number: P105899



Price: $3,995.00



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Stokes 149H-11 Microvac Oil-Sealed Rotary Piston Vacuum Pump, 80 CFM, 25 mTorr, Rebuilt


The Stokes Pennwalt Model 149H-11 is a large 80 CFM oil-sealed rotary piston vacuum pump that is the standard for industrial roughing vacuum applications. The Stokes 149-11 can rough from atmosphere to itís 2.5x10-2 Torr ultimate pressure and have a 3 horse power motor. The Stokes Pennwalt Microvac pumps are self-contained, oil-sealed rotary piston type units. The piston is driven eccentrically around the pump shaft and guides through two floating hinge bars that are free to oscillate in the pump housing. The exhaust valves are of the corrosion-resistant, heavy duty, poppet type. When the pump is in operation, lubrication of the internal parts is completely automatic. Oil is forced by atmospheric pressure from the reservoir through the oil lines to the shaft bearings. The oil is then fed into the pump to provide the necessary piston-to-cylinder oil seal. Finally, the oil is forced out through the exhaust valve with the air and returns to the reservoir. A solenoid valve automatically prevents oil from flooding the pump in the event of a power failure, or when the pump is shutdown without vacuum being broken. These Stokes 149H-11 oil-sealed rotary piston vacuum pumps require 2-1/2 gallons of Edward's Stokes V-Lube grade F vacuum pump oil, have a 2 inch ASA inlet flange, a 1-1/2 inch female NPT exhaust discharge port, are water cooled with 1/2 inch female NPT water cooling connections, and operate on 3-Phase 208-230 VAC or 440-480 VAC at 60 Hz. The pump intake is 2 inch ASA ANSI without o-ring groove, therefore, the intake adapter fitting need to include an o-ring groove and some options are listed in the optional accessories section below. The Stokes 149H-11 user's instruction and parts manuals are available in PDF format below.

Condition: Rebuilt



Product Number: P105894



Price: $5,995.00



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Stokes 149H-11 And 306 Blower Oil-Sealed Rotary Piston Vacuum Pump System, Hyrdorcarbon Oil, Rebuilt


The Stokes Pennwalt Model 149H-11 is a large 80 CFM oil-sealed rotary piston vacuum pump that is the standard for industrial roughing vacuum applications. The Stokes 149-11 can independently rough from atmosphere to itís 2.5x10-2 Torr ultimate pressure and have a 3 horse power motor. These systems are skid mounted with added Stokes 306 Root's blower which supercharges the 149H-11 backing pump to produce a total system pumping speed of 245 CFM and ultimate pressure of 3 mTorr. These Stokes 306 Root's blowers are direct drive without a bypass valve and therefore a pressure switches needed to cut the Stokes 306 blower in below 80 Torr (pressure switch and motor controller not included with these basic systems). The rebuilt Pennwalt Model 149H-11 with 306 blower packages can be operated on 3-Phase 208-230 VAC or 440-480 VAC at 60 Hz.

Condition: Rebuilt



Product Number: P105891



Price: $11,995.00



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Edwards Stokes 212J Oil-Sealed Rotary Piston Vacuum Pump, 150 CFM, 25 mTorr, Rebuilt, 900212014


The Edwards Stokes Model 212J is a large 150 CFM oil-sealed rotary piston vacuum pump that is the standard for industrial roughing vacuum applications. The Edwards Stokes 212J can rough from atmosphere to itís 2.5x10-2 Torr ultimate pressure and have a 7-1/2 horse power motor. The Edwards Stokes Microvac pumps are self-contained, oil-sealed rotary piston type units. The piston is driven eccentrically around the pump shaft and guides through two floating hinge bars that are free to oscillate in the pump housing. The exhaust valves are of the corrosion-resistant, heavy duty, poppet type. When the pump is in operation, lubrication of the internal parts is completely automatic. Oil is forced by atmospheric pressure from the reservoir through the oil lines to the shaft bearings. The oil is then fed into the pump to provide the necessary piston-to-cylinder oil seal. Finally, the oil is forced out through the exhaust valve with the air and returns to the reservoir. A solenoid valve automatically prevents oil from flooding the pump in the event of a power failure, or when the pump is shutdown without vacuum being broken. These Edwards Stokes 212J oil-sealed rotary piston vacuum pumps require 4 gallons of Edward's Stokes V-Lube grade F vacuum pump oil, have a 3 inch ASA inlet flange, a combination 2 inch ASA / ANSI and 2 inch female NPT exhaust discharge port, are water cooled with 1/2 inch female NPT water cooling connections, and operate on 3-Phase 208-230 VAC or 440-480 VAC at 60 Hz. The pump intake is 3 inch ASA ANSI without o-ring groove, therefore, the intake adapter fitting need to include an o-ring groove and some options are listed in the optional accessories section below. The Edwards Stokes 212J user's instruction and parts manuals are available in PDF format below. These rebuild Edwards Stokes 212J rotary piston vacuum pumps have Edwards Stokes part number 900212014.

Condition: Rebuilt



Product Number: P105895



Price: $10,995.00



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Stokes Model 412H-11 Microvac Oil Sealed Rotary Piston Pump Rebuilt, 300 CFM, 25 mTorr


The Stokes Model 412H-11 is a large 300 CFM oil-sealed rotary piston vacuum pump that is the standard for industrial roughing vacuum applications. The Stokes Pennwalt 412H-11 can rough from atmosphere to itís 2.5x10-2 Torr ultimate pressure and have a 10 horse power motor. The Stokes Microvac pumps are self-contained, oil-sealed rotary piston type units. The piston is driven eccentrically around the pump shaft and guides through two floating hinge bars that are free to oscillate in the pump housing. The exhaust valves are of the corrosion-resistant, heavy duty, poppet type. When the pump is in operation, lubrication of the internal parts is completely automatic. Oil is forced by atmospheric pressure from the reservoir through the oil lines to the shaft bearings. The oil is then fed into the pump to provide the necessary piston-to-cylinder oil seal. Finally, the oil is forced out through the exhaust valve with the air and returns to the reservoir. A solenoid valve automatically prevents oil from flooding the pump in the event of a power failure, or when the pump is shutdown without vacuum being broken. These Stokes 412H-11 oil-sealed rotary piston vacuum pumps require 12 gallons of Edward's Stokes V-Lube grade F vacuum pump oil, have a 4 inch ASA inlet flange, a combination 3 inch ASA / ANSI and 3 inch female NPT exhaust discharge port, are water cooled with 1/2 inch female NPT water cooling connections, and operate on 3-Phase 208-230 VAC or 440-480 VAC at 60 Hz. The pump intake is 4 inch ASA ANSI without o-ring groove, therefore, the intake adapter fitting need to include an o-ring groove and some options are listed in the optional accessories section below. The Pennwalt Stokes 412H-11 user's instruction and parts manuals are available in PDF format below.

Condition: Rebuilt



Product Number: P102988



Price: $19,995.00



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Edwards Stokes 412J Oil-Sealed Rotary Piston Vacuum Pump, 300 CFM, 25 mTorr, Rebuilt, 900412014


The Edwards Stokes Model 412J is a large 300 CFM oil-sealed rotary piston vacuum pump that is the standard for industrial roughing vacuum applications. The Edwards Stokes 412J can rough from atmosphere to itís 2.5x10-2 Torr ultimate pressure and have a 10 horse power motor. The Edwards Stokes Microvac pumps are self-contained, oil-sealed rotary piston type units. The piston is driven eccentrically around the pump shaft and guides through two floating hinge bars that are free to oscillate in the pump housing. The exhaust valves are of the corrosion-resistant, heavy duty, poppet type. When the pump is in operation, lubrication of the internal parts is completely automatic. Oil is forced by atmospheric pressure from the reservoir through the oil lines to the shaft bearings. The oil is then fed into the pump to provide the necessary piston-to-cylinder oil seal. Finally, the oil is forced out through the exhaust valve with the air and returns to the reservoir. A solenoid valve automatically prevents oil from flooding the pump in the event of a power failure, or when the pump is shutdown without vacuum being broken. These Edwards Stokes 412J oil-sealed rotary piston vacuum pumps require 12 gallons of Edward's Stokes V-Lube grade F vacuum pump oil, have a 4 inch ASA inlet flange, a combination 3 inch ASA / ANSI and 3 inch female NPT exhaust discharge port, are water cooled with 1/2 inch female NPT water cooling connections, and operate on 3-Phase 208-230 VAC or 440-480 VAC at 60 Hz. The pump intake is 4 inch ASA ANSI without o-ring groove, therefore, the intake adapter fitting need to include an o-ring groove and some options are listed in the optional accessories section below. The Edwards Stokes 412J user's instruction and parts manuals are available in PDF format below. These rebuilt Edwards Stokes 412J rotary piston vacuum pumps have Edwards Stokes part number 900412014.

Condition: Rebuilt



Product Number: P105898



Price: $21,500.00



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Stokes 149H-11 And 306 Blower Oil-Sealed Rotary Piston Vacuum System, Oxygen Safe PFPE, Rebuilt


The Stokes Pennwalt Model 149H-11 is a large 80 CFM oil-sealed rotary piston vacuum pump that is the standard for industrial roughing vacuum applications. The Stokes 149-11 can independently rough from atmosphere to itís 2.5x10-2 Torr ultimate pressure and have a 3 horse power motor. These systems are skid mounted with added Stokes 306 Root's blower which supercharges the 149H-11 backing pump to produce a total system pumping speed of 245 CFM and ultimate pressure of 3 mTorr. These Stokes 306 Root's blowers are direct drive without a bypass valve and therefore these systems include the internal pressure switches needed to cut the Stokes 306 blower in below 80 Torr. These systems include a start and stop switch controller that includes the blower cut-in pressure switch, oil flow sensor, and can be operated on 3-Phase 208-230 VAC or 440-480 VAC at 60 Hz.

Condition: Rebuilt



Product Number: P105893



Price: $13,995.00



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

Phone: (505) 872-0037
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