Description
Welch 7 DirecTorr 8920 Rotary Vane Vacuum Pump
- Free Air Displacement – CFM (L/min) @ 60Hz: 7.7 (218) / (L/min) m3h @ 50Hz: (182) 10.8
- Normal Pumping Speed – CFM (L/min) @ 60Hz: 7.4 (210) / (L/min) m3h @ 50Hz: (175) 10.5
- Guaranteed Ultimate Pressure* Torr – 3 x 10-4
- Water Vapor Tolerance (capacity), Torr – 15
- Water Vapor Tolerance (capacity), g/hr – 180
- Sound Level dBA – 54
- Motor/Pump Speed – RPM @ 60Hz: 1725 / RPM @ 50Hz: 1425
- Motor Horsepower – ½
- Oil Capacity, quarts (liters) – 1.3 (1.2)
- Tubing needed, I.D. – 9/16 or 13/16 inches (14 or 20 mm)
- Exhaust Connection – 1″-20 Thread
- Gas Ballast Connection – 10-32 Thread
- Pump Weight – 58.5 lbs. (26.6 kg)
- Dimensions (LxWxH) – 20.8 x 7.1 x 11.0 inches
- Exhaust Filter (Optional) Cat. No. – 1417P-10 / 1416C
- Oil Type Cat. No. – 8995P / 8995G
rk – R1 A2 P77
