Home Categories Send inquiry

W502 John Crane Type 502 Replacement Unitized Elastomer Bellows Seal For Pumps

Product Features

  • With full enclosed elastomer bellows design
  • Insensitive to shaft play and run out
  • Bellows should not twist due to bi-directional and robust drive
  • Single seal and single spring
  • Conform with DIN24960 standard

Design Features

• Completely assembled one-piece design for fast installation • Unitized design incorporates positive retainer/key drive from bellows • Non-clogging, single coil spring provides greater dependability than multiple spring designs. Will not be affected by build-up of solids • Full convolution elastomeric bellows seal designed for confined spaces and limited gland depths. Self-aligning feature compensates for excessive shaft end play and run-out

Operation Range

Shaft diameter: d1=14...100 mm • Temperature: -40°C to +205°C (depending on materials used) • Pressure: up to 40 bar g • Speed: up to 13 m/s Notes: The range of preesure,temperature and speed is depend on seals combination materials

Recommended Application

• Paints and inks • Water • Weak acids • Chemical processing • Conveyor and industrial equipment • Cryogenics • Food processing • Gas compression • Industrial blowers and fans • Marine • Mixers and agitators • Nuclear service • Offshore • Oil and refinery • Paint and ink • Petrochemical processing • Pharmaceutical • Pipeline • Power generation • Pulp and paper • Water systems • Wastewater • Treatment • Water desalination

Combination Materials

Rotary Face Carbon graphite resin impregnated Silicon carbide (RBSIC) Hot-Pressing Carbon Stationary Seat Aluminium oxide (Ceramic) Silicon carbide (RBSIC) Tungsten carbide Auxiliary Seal Nitrile-Butadiene-Rubber (NBR) Fluorocarbon-Rubber (Viton) Ethylene-Propylene-Diene (EPDM) Spring Stainless Steel (SUS304) Metal Parts Stainless Steel (SUS304)

W502 dimension data sheet (mm)