Cheap Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS

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With advanced technologies and facilities, strict good quality manage, reasonable rate, superior assistance and close co-operation with shoppers, we have been devoted to supplying the very best price for our consumers for Mechanical Seal For Pump, Marine Shaft Seals, Bellow Mechanical Seal, For more information, please contact us as soon as possible!

Cheap Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS Detail:

Features

• The drive band’s “dent and groove” design eliminates overstressing of the elastomer bellows to prevent bellows slip and protect the shaft and sleeve from wear
• Non-clogging, single-coil spring provides greater dependability than multiple spring designs and will not foul due to fluid contact
• Flexible elastomer bellows automatically compensates for abnormal shaft-end play, run-out, primary ring wear and equipment tolerances
• Self-aligning unit automatically adjusts for shaft end play and run-out
• Eliminates potential shaft fretting damage between the seal and shaft
• Positive mechanical drive protects the elastomer bellows from overstressing
• Single coil spring improves tolerance to clogging
• Simple to fit and field repairable
• Can be used with practically any type of mating ring

Operation Ranges

• Temperature: -40˚F to 400°F/-40˚C to 205°C (depending on materials used)
• Pressure: up to 150 psi(g)/11 bar(g)
• Speed: up to 2500 fpm/13 m/ s (depending on configuration and shaft size)
• This versatile seal can be used on a wide range of equipment including centrifugal, rotary and turbine pumps, compressors, mixers, blenders, chillers, agitators, and other rotary shaft equipment
• Ideal for pulp and paper, pool and spa, water, food processing, wastewater treatment, and other general applications

Recommended Application

Centrifugal Pumps
Slurry Pumps
Submersible Pumps
Mixers & Agitators
Compressors
Autoclaves
Pulpers

Combination Material

Rotary Face
Carbon graphite resin impregnated
Silicon carbide (RBSIC)
Hot-Pressing Carbon C
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, SUS316)
Metal Parts
Stainless Steel (SUS304, SUS316)

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Type W21 DIMENSION DATA SHEET (INCHES)

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Assume full responsibility to satisfy all needs of our clients; achieve continual advancements by endorsing the expansion of our purchasers; turn into the final permanent cooperative partner of clientele and maximize the interests of clients for Cheap Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS, The product will supply to all over the world, such as: Albania, Maldives, Ecuador, We'd like to invite customers from abroad to discuss business with us. We can present our clients with high quality products and excellent service. We're sure that we'll have good cooperative relationships and make a brilliant future for both parties.

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Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!