John crane Type 502 mechanical pump seal for marine industry

Our pursuit and enterprise aim would be to “Always fulfill our buyer requirements”. We carry on to acquire and layout excellent quality items for the two our old and new clients and realize a win-win prospect for our shoppers in addition as us for John crane Type 502 mechanical pump seal for marine industry, In order to expand our international market, we mainly supply our oversea customers Top quality performance products and service.
Our pursuit and enterprise aim would be to “Always fulfill our buyer requirements”. We carry on to acquire and layout excellent quality items for the two our old and new clients and realize a win-win prospect for our shoppers in addition as us for , Our company has abundant strength and possesses a steady and perfect sales network system. We wish we could establish sound business relationships with all customers from at home and abroad on the basis of mutual benefits.

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)

mechanical pump seal type 502 for marine industry