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Seal Proof

Pusher Seals

Single-acting, unbalanced, inside-mounted seal for water, chemical and sewage pump duties.

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Seal characteristics
Single acting · Unbalanced · Inside mounted · Dependent of direction of rotation
Shaft diameter d1
10 mm to 100 mm
Pressure p
08 bar (max)
Seal Proof pusher-type mechanical shaft seal — rotating face, spring and secondary seal assembly.

Overview

A single-acting, unbalanced, inside-mounted pusher seal, dependent on direction of rotation. Faces are available in Stellite, carbon, ceramic, tungsten carbide, silicon carbide and Lecrolloy.

Metal parts are supplied in SS 316 or SS 304, with elastomer or PTFE secondary seals to suit the service.

Specifications

Seal characteristics
Single acting · Unbalanced · Inside mounted · Dependent of direction of rotation
Shaft diameter d1
10 mm to 100 mm
Pressure p
08 bar (max)
Temperature t
-20°C to +200°C
Velocity v
20 m/sec

Contact our engineering team for application-specific specifications.

Materials of construction

  • Face materials: Stellite, Carbon, Ceramic, Tungsten Carbide, Silicon Carbide, Lecrolloy
  • Metal parts: SS 316, SS 304
  • Secondary seal: Elastomers, PTFE

Applications

  • Water pumps
  • Circulation pumps for central heating
  • Chemical process pumps
  • Sewage and submersible pumps

Related products

Next step

Tell us the duty.

Media, temperature, pressure, shaft size and speed are usually enough for our engineers to specify pusher seals for your equipment.

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