Air Membrane Pump 2″ Internal Thread Buna ATEX
This model can run dry without damage and maintain suction when dry. It is particularly effective with viscous liquids such as lubricating oil. Commonly employed to pump out open excavations and in the food and chemical industries, it also serves well as a submersible pump. The ATEX version is ideal for tanker use or environments with explosion risks.
- Air Pressure: Maximum 7 bar
- Pump Type: Self-priming membrane pump
- Motor Type: Pneumatic piston motor
- Shaft Sealing: N.A.
- Membrane Material: Buna +
- Balls Material: Buna +
- Valves Material: Buna +
- Seats Material: Buna +
- Pump Chamber Material: Aluminium ++
- Pump Housing Material: Aluminium ++
- Pump Shaft Material: N.A.
- Alternative Materials: Membrane and parts also available in NBR, neoprene, EPDM, Viton; pump chamber and housing also available in cast iron, stainless steel 316
- Suitable Liquids: Slightly contaminated liquids such as kerosene, gas oil, lubricating oil
- ATEX Certification: II 2GD IIB Tx
- Important: No guarantee without use of air filter and water separator
- Viscosity Impact: Has a very substantial effect on capacity
- Capacities (water-based, Teflon membrane 20% less capacity):
- 10 m head: 34,200 L/h
- 20 m head: 31,200 L/h
- 30 m head: 27,600 L/h
- 40 m head: 24,300 L/h
- 50 m head: 20,400 L/h
- 60 m head: 16,800 L/h
- Suction Head Buna: 9.8 m (wet), 5.5 m (dry)
- Air Supply Connection: 1/2″ internal thread
- Air Consumption: Approximately 25% more than capacity times pressure
- Dimensions (WxDxH): Approx. 450 x 333 x 677 mm
- Weight: 36.7 kg
- Product Code: 92.90.550
- Pipe Diameter Pressure: 2″
- Pipe Diameter Suction: 2″
- Particle Size Capacity: 12 mm
- Maximum Discharge Head: 70.0 m
- Medium Compatibility: Water, water with oil (sludge), gasoil, lubricating oil
- ATEX Certified: Yes
- Free Flow Rate: 37,000 L/h
- Capacity at 5 m Head: 37,000 L/h
