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Welch 8912 Direct Drive Rotary Vane Vacuum Pump Welch 8912 Direct Drive Rotary Vane Vacuum Pump

Welch 8912 Direct Drive Rotary Vane Vacuum Pump Specifications

Free Air Displacement at 60Hz 3.8 CFM (108L/min)
Normal Pumping Speed at 60Hz 3.4 CFM (96L/min)
Ultimate Vacuum 0.00013 mbar (1 x 10-4 Torr)
Water Vapor Tolerance 12 Torr
Motor/Pump Speed at 60Hz 1725 RPM
Motor Horsepower at 60Hz 1/2
Oil Capacity 0.9 quarts (0.86L)
Inlet Connection Unibarb for 7/16" and 13/16" I.D. Hose threaded for 1-1/8"-20
Outlet Connection 1"-20 thread
Tubing Needed, I.D. 7/16 or 13/16" (11 or 20 mm)
Gas Ballast Connection 10-32 thread
Sound Level 50 dBA
Dimensions (L x W x H) 18.8 x 6.5 x 9.6 in. (47.7 x 16.6 x 24.4 cm)
Weight 46 lb. (21 kg)
Electrical Requirements 115/230V, 60Hz, 5.0A

Our Price: $2,295.00
1 in stock!
Edwards nXDS10i Dry Scroll Pump, Rebuilt Edwards nXDS10i Dry Scroll Pump, Rebuilt

Edwards nXDS10i Dry Scroll Pump, Rebuilt Specifications

Nominal rotational speed

1800 rpm

Displacement

12.7 m3h-1 / 7.5 ft3min-1

Peak pumping speed

11.4 m3h-1 / 6.7 ft3min-1

Ultimate vacuum (total pressure)

0.007 mbar / 0.005 Torr

Minimum standby rotational speed

1200 rpm

Speed control resolution (percentage of full rotation speed)

1%

Pumping speed at minimum rotational speed

7.5

Maximum continuous inlet pressure

200 mbar

Motor power 1-ph

280 W

Power connector 1-ph

IEC EN60320 C13

Recommended fuse

10A, 250Vac rms

Weight

25.8 kg / 57 lb

Inlet flange

NW25

Exhaust flange

NW25

Noise level

52 dB(A)

Vibration at inlet flange

< 4.5 mms-1 (rms)

Leak tightness (static)

< 1x10-6 mbar ls-1

Operating temperature range

10 to 40 °C / 41 to 104 °F

Electrical Supply

115/230V

Our Price: $4,295.00
1 in stock!
Edwards nXDS10i Dry Scroll Pump Edwards nXDS10i Dry Scroll Pump

Edwards nXDS10i Dry Scroll Pump Technical Specifications

Nominal rotational speed

1800 rpm

Displacement

12.7 m3h-1 / 7.5 ft3min-1

Peak pumping speed

11.4 m3h-1 / 6.7 ft3min-1

Ultimate vacuum (total pressure)

0.007 mbar / 0.005 Torr

Minimum standby rotational speed

1200 rpm

Speed control resolution (percentage of full rotation speed)

1%

Pumping speed at minimum rotational speed

7.5

Maximum continuous inlet pressure

200 mbar

Motor power 1-ph

280 W

Power connector 1-ph

IEC EN60320 C13

Recommended fuse

10A, 250Vac rms

Weight

25.8 kg / 57 lb

Inlet flange

NW25

Exhaust flange

NW25

Noise level

52 dB(A)

Vibration at inlet flange

< 4.5 mms-1 (rms)

Leak tightness (static)

< 1x10-6 mbar ls-1

Operating temperature range

10 to 40 ‚°C / 41 to 104 ‚°F

Electrical Supply

115/230V

Our Price: $7,394.45
2 in stock!
Edwards nXDS10iR Dry Scroll Pump Edwards nXDS10iR Dry Scroll Pump

Edwards nXDS10iR Dry Scroll Pump Technical Specifications

Nominal rotational speed

1800 rpm

Displacement

12.7 m3h-1 / 7.5 ft3min-1

Peak pumping speed

11.4 m3h-1 / 6.7 ft3min-1

Ultimate vacuum (total pressure)

0.007 mbar / 0.005 Torr

Minimum standby rotational speed

1200 rpm

Speed control resolution (percentage of full rotation speed)

1%

Pumping speed at minimum rotational speed

7.5

Maximum continuous inlet pressure

200 mbar

Motor power 1-ph

280 W

Power connector 1-ph

IEC EN60320 C13

Recommended fuse

10A, 250Vac rms

Weight

25.8 kg / 57 lb

Inlet flange

NW25

Exhaust flange

NW25

Noise level

52 dB(A)

Vibration at inlet flange

< 4.5 mms-1 (rms)

Leak tightness (static)

< 1x10-6 mbar ls-1

Operating temperature range

10 to 40 ‚°C / 41 to 104 ‚°F

Electrical Supply

115/230V

Our Price: $7,395.40
1 in stock!
Edwards nXDS10iC Dry Scroll Pump Edwards nXDS10iC Dry Scroll Pump

Edwards nXDS10iC Dry Scroll Pump Technical Specifications


Nominal rotational speed

1800 rpm

Displacement

12.7 m3h-1 / 7.5 ft3min-1

Peak pumping speed

11.4 m3h-1 / 6.7 ft3min-1

Ultimate vacuum (total pressure)

0.007 mbar / 0.005 Torr

Minimum standby rotational speed

1200 rpm

Speed control resolution (percentage of full rotation speed)

1%

Pumping speed at minimum rotational speed

7.5

Maximum continuous inlet pressure

200 mbar

Motor power 1-ph

280 W

Power connector 1-ph

IEC EN60320 C13

Recommended fuse

10A, 250Vac rms

Weight

25.8 kg / 57 lb

Inlet flange

NW25

Exhaust flange

NW25

Noise level

52 dB(A)

Vibration at inlet flange

< 4.5 mms-1 (rms)

Leak tightness (static)

< 1x10-6 mbar ls-1

Operating temperature range

10 to 40 ‚°C / 41 to 104 ‚°F

Electrical Supply

115/230V

Our Price: $7,993.10
1 in stock!
Edwards nXDS15i Dry Scroll Pump Edwards nXDS15i Dry Scroll Pump

Edwards nXDS15i Dry Scroll Pump Technical Specifications

Nominal rotational speed

1800 rpm

Displacement

17.1 m3h-1 / 10.1 ft3min-1

Peak pumping speed

15.1 m3h-1 / 8.9 ft3min-1

Ultimate vacuum (total pressure)

0.007 mbar / 0.005 Torr

Minimum standby rotational speed

1200 rpm

Speed control resolution (percentage of full rotation speed)

1%

Pumping speed at minimum rotational speed

9.9

Maximum continuous inlet pressure

200 mbar

Motor power 1-ph

300 W

Power connector 1-ph

IEC EN60320 C13

Recommended fuse

10A, 250Vac rms

Weight

25.2 kg / 56 lb

Inlet flange

NW25

Exhaust flange

NW25

Noise level

52 dB(A)

Vibration at inlet flange

< 4.5 mms-1 (rms)

Leak tightness (static)

< 1x10-6 mbar ls-1

Operating temperature range

10 to 40 ‚°C / 41 to 104 ‚°F

Electrical Supply

115/230V

Our Price: $8,961.82
1 in stock!
Edwards nXDS15iR Dry Scroll Pump Edwards nXDS15iR Dry Scroll Pump

Edwards nXDS15iR Dry Scroll Pump Technical Specifications

Nominal rotational speed

1800 rpm

Displacement

17.1 m3h-1 / 10.1 ft3min-1

Peak pumping speed

15.1 m3h-1 / 8.9 ft3min-1

Ultimate vacuum (total pressure)

0.007 mbar / 0.005 Torr

Minimum standby rotational speed

1200 rpm

Speed control resolution (percentage of full rotation speed)

1%

Pumping speed at minimum rotational speed

9.9

Maximum continuous inlet pressure

200 mbar

Motor power 1-ph

300 W

Power connector 1-ph

IEC EN60320 C13

Recommended fuse

10A, 250Vac rms

Weight

25.2 kg / 56 lb

Inlet flange

NW25

Exhaust flange

NW25

Noise level

52 dB(A)

Vibration at inlet flange

< 4.5 mms-1 (rms)

Leak tightness (static)

< 1x10-6 mbar ls-1

Operating temperature range

10 to 40 ‚°C / 41 to 104 ‚°F

Electrical Supply

115/230V

Our Price: $8,968.40
1 in stock!
Edwards nXDS15iC Dry Scroll Pump Edwards nXDS15iC Dry Scroll Pump

Edwards nXDS15iC Dry Scroll Pump Technical Specifications

Nominal rotational speed

1800 rpm

Displacement

17.1 m3h-1 / 10.1 ft3min-1

Peak pumping speed

15.1 m3h-1 / 8.9 ft3min-1

Ultimate vacuum (total pressure)

0.007 mbar / 0.005 Torr

Minimum standby rotational speed

1200 rpm

Speed control resolution (percentage of full rotation speed)

1%

Pumping speed at minimum rotational speed

9.9

Maximum continuous inlet pressure

200 mbar

Motor power 1-ph

300 W

Power connector 1-ph

IEC EN60320 C13

Recommended fuse

10A, 250Vac rms

Weight

25.2 kg / 56 lb

Inlet flange

NW25

Exhaust flange

NW25

Noise level

52 dB(A)

Vibration at inlet flange

< 4.5 mms-1 (rms)

Leak tightness (static)

< 1x10-6 mbar ls-1

Operating temperature range

10 to 40 ‚°C / 41 to 104 ‚°F

Electrical Supply

115/230V

Our Price: $9,798.68
1 in stock!