Type 502 John crane mechanical seal for marine industry

It adheres on the tenet “Honest, industrious, enterprising, innovative” to acquire new solutions continuously. It regards prospects, success as its personal success. Let us build prosperous future hand in hand for Type 502 John crane mechanical seal for marine industry, Only for accomplish the good-quality product or service to satisfy customer’s demand, all of our products have been strictly inspected before shipment.
It adheres on the tenet “Honest, industrious, enterprising, innovative” to acquire new solutions continuously. It regards prospects, success as its personal success. Let us build prosperous future hand in hand for , All the imported machines effectively control and guarantee the machining precision for the products and solutions. Besides, we have now a group of high-quality management personnels and professionals, who make the high-quality solutions and have the ability to develop new goods to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.

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)

Type 502 mechanical seal for marine industry