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AIR OPERATED DOUBLE DIAPHRAGM PUMP GUIDE

A. NOTIFICATION:

  1. Do not use compressed air that include wet or watery. Piping include suction, discharge, compressed air tube, body bolts must be checked.
  1. When installing the new pump, pump must be tested by fresh water
  2. Carefully check the lubricant and lubricant levels in the compressed air (SAE # 10), the self-lubricating type is not needed.
  3. Check the compressed air pressure to match the capacity, design of each pump
  4. Install pump protection equipment such as check-valve, air pressure regulator, filter, lubrication, suction valve, exhaust valve, air damper.
  5. Flexible joint needs to install at pump inlet & outlet to reduce the vibration.

B. PRESERVATION AND USAGE OF PUMPS:

  1. If the pump is not used for a long time, check, clean it with clean water
  2. Make sure the bolts are firmly fixed such as flanges, couplings, pump feet, pump frames, motors, piping, and mounting brackets.
  3. Pump has to be placed in the proper position, shielded, well protected, suitable environmental temperature and do not to direct  the sunlight
  4. Suction pipe diameter has to be bigger than suction port
  5. Open the outlet valve before starting the pump, then adjust the required gas pressure to the desired flow rate. If the outlet valve is fully closed, the pump will stop automatically.
  6. Suction pipe is not too soft
  7. Do not adjust and run the pump with high pressure exceeding the design standards will cause the pump to malfunction
  8. When stopping the pump  the inlet, outlet valves and the pneumatic valve must be locked then the pump should be clean after working with fresh water.
  9. Compliance with labor protection (protective clothing, safety glasses) when installing, inspecting and running the test
  10. Do not allow the pump to run dry for long periods of time will damage the gas distribution, sealing mechanism, shaft and valve seat.