FAQ of diaphragm pump-www.catflo.com

FAQ of diaphragm pump

How do valves work in a pump?

Answer: The valves work in conjunction with the main diaphragm and piston assembly. These together operate with an upward and downward movement creating a vacuum to pull and push fluid into and out of the pump. The main diaphragm is located in the lower housing and is assembled to the drive assembly by pistons.
What do the following abbreviations or word mean?

GPM: Gallons per Minute

PSI: Pressure per Square Inch

Volts: Current Motor is rated for
What is a diaphragm?

The diaphragm is the main seal located in the lower housing and is assembled to the drive assembly by pistons. It works in conjunction with the valve assembly with an upward and downward movement creating a vacuum to pull and push fluid into/out of the pump.
How many diaphragms does an electric driven pump have?

Answer: the main diaphragm (located in the drive assembly) and the one located in the switch area (circular shaped –size of a half dollar).
The pump can't stop working, What could be the problem？

The first problem could be a faulty switch. Please contact for repair kits. Also, if fittings, hose clamps are not tightened on the intake side of the pump, pump may not be able to build enough pressure to turn switch off.
What is the difference between continuous and intermittent duty?

Answer: Continuous can run for hours and intermittent is an on / off application (limited operation mode).