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PRO (Progressive Cavity Duplex Cartridge Mounted Seals)


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Description

SEPCO PRO seals are used in applications on progressive capacity pumps where positive lubrication is required without dilution of the pumped product.

Elliptical Gland: Designed to fit the tight clearances encountered on progressive cavity pumps.

Cartridge Mounted: Cartridge mounted for ease of installation. The seal is preset at the factory and pressure tested prior to shipment.

Stationary Seal Design: This design eliminates spring fatigue and wear in the secondary areas of the seal.

Balanced Design: The seal is balanced to handle higher pressures.This seal can be designed to fit virtually any progressive cavity pump application, including a single cartridge seal.

Metal Parts:
Standard Metal Parts: 316 SS
Standard Springs: Hastelloy C
Standard Set Screws: 316 SS

Secondary Seals:
Standard O-ring materials: Vitron and EPR
Kalrez available
FEP encapsulated O-rings available

Face Materials:
Stationary Face
Standard Face: High quality carbon / graphite
Tungsten carbide available
Other materials may be specified
Rotating Face (mating ring)
Standard Face: 99.7% alumina oxide and silbide
Other materials may be specified

Max Flush Pressure: 150 p.s.i. (g)

Max Differential Pressure: 350 p.s.i. (g)

Vacuum: To 28″ Hg (see SEPCO recommendation guide)

Shaft Speeds: 1800 ft/min

Temperatures To: 400°F / 204°C

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