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Pneumatic diaphragm pump damage repair

Dec 01, 2016

Pneumatic diaphragm pump of no action or operation is very slow:

1. check air inlet port filter or air filter impurities.

2. check the air valve is stuck, use cleaning liquid to clean the air valve.

3. check air valve for wear and if necessary replace with new parts.

4. check the Center body seal parts, if badly worn, you cannot achieve the effect, and the air will be drained from the air outlet port. Due to its special structure, use only GLYD ring.

5. check the air valve piston in activity is normal.

6. check the type of lubricant. Add oil if it is above recommended oil viscosity, the piston may get stuck or is not functioning correctly. Recommend the use of light and frost oil. (ISO rating 15/5WT antifreeze oil

Pneumatic diaphragm pumps are a new type of transportation machinery, is currently the most innovative of pump. Using compressed air as a power source for all kinds of corrosive liquid, with particles of a liquid, high viscosity, volatile, flammable, poisonous liquid, can be smoked.

Pneumatic diaphragm pump of its four materials: plastics, aluminum, cast iron, stainless steel. Pneumatic diaphragm pump of different liquid media using nitrile rubber, neoprene, Viton, PTFE, Poly Vinyl 46. To meet the needs of different users. Placement in a variety of special occasions, pumped conventional pump not pumping medium, satisfactory results were obtained.

As the pneumatic diaphragm pump with the above characteristics, pneumatic diaphragm pumps since its birth is gradually invading other pumps on the market, and occupies a part of. Such as: pneumatic diaphragm pump of painting, ceramics has been an absolute dominance, while in other industries, like environmental protection, waste water treatment, construction, sewerage, fine chemical industry was expanding its market share, and has the status of other pumps cannot be substituted.

Pneumatic diaphragm pump action, however small or no liquid outflow:

1. check pneumatic diaphragm pump cavitation, reducing pump speed liquid into the liquid Chamber.

2. check that the valve ball is stuck. If liquid not compatible with pump elastomers, flexible experience expanding phenomenon. Replace the appropriate materials elastomers.

3. check pump inlet connector is fully locked and no leakage, especially near the inlet valve ball clamp locking requirements.

Pneumatic diaphragm pump of air valve freezes:

Check that the compressed air moisture content is too high, air drying equipment

Pneumatic diaphragm pump of the pump exports the bubbles:

Check whether the diaphragm rupture, check whether the clamp lock, especially the inlet tube clamp.

Media from the air vents out:

Check whether the diaphragm rupture, check whether the diaphragm and external splints on the shaft clamp

Valve quacking: increase export or import lift.