Pump Seals

Reverse Balanced Mechanical Seal

Reverse Balanced Mechanical Seal Pump Seals

PS37

The Reverse Balanced Mechanical Seal is a compact, externally mounted seal designed for abrasive, corrosive, and hydrocarbon fluids. Its multi-coil spring design uses liquid pressure to close the seal faces, ensuring reliable performance in high-pressure and vacuum applications while fitting into tight spaces.

Ashish Seals India Pvt. Ltd., an ISO 9001:2015 certified manufacturer and exporter in Mumbai, produces these seals with non-contacting metal components to reduce wear and fretting. They are widely used in chemical processing, petroleum, and general chemical industries for long-lasting, efficient operation.

Operating Limits

  • Shaft Diameter

    25mm – 100mm

  • Pressure

    25 bar (max.)

  • Temperature

    -45°C to 150°C

Characteristics

Standard design, Single seal, Reverse balanced, Outside mounted, Independent of direction of rotation.

Metal Components

SS316, SS316L, SS304, Hastelloy-C, Monel, Alloy 20

Seal Faces

Carbon, Silicon carbide, Tungsten carbide

Secondary Seal

FKM, FFKM, EPDM, AFLAS, TTV, PTFE

Application

Corrosive Chemicals, Chemical Processing, Petrochemical Services, Acids.

No. Component
1 Mating Ring
2 Gasket
3 Seal Ring
4 O-Ring
5 Retainer
6 Grub Screw
7 Spring
8 Thrust Ring
9 Snap Ring

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