P Series

The rugged construction and extra-thick pump casing of Gorman-Rupp  Air Driven Diaphragm Pumps stand up to the abuses of the most demanding sludge and slurry applications. They overcome the "high-wear" problem commonly associated with double diaphragm and progressive cavity pumps. Gorman-Rupp ADD pumps are capable of operating dry, on suction lifts up to 20 feet (6.5 m) and handling high solids concentrations of up to 70 percent.

Precise controls allow pump stroke rate, discharge stroke time, suction drive pressure and discharge drive pressure can all be adjusted independently. Pumps will easily handle heavy sludges at their rate of accumulation in clarifiers and settling tanks. They are also an excellent choice for filter press feed systems where specialist “pressure ramp-up” controls ramp discharge pressure independently and progressively to equalise pressures either side of the diaphragm to extend diaphragm and valve life and minimise downtime and costs.

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