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

China High Quality Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS Featured Image
  • China High Quality Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS
  • China High Quality Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS
  • China High Quality Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS
  • China High Quality 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 high quality regulate, reasonable price tag, excellent support and close co-operation with shoppers, we have been devoted to furnishing the best benefit for our buyers for Mechanical Seal Ring, Aes Mechanical Seals, Elastomer Bellow Mechanical Seal, We sincerely welcome customers from both at home and abroad to come to negotiate business with us.
China High Quality 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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China High Quality Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS detail pictures

China High Quality Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS detail pictures

China High Quality Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS detail pictures

China High Quality Rotary Seal Factory – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS detail pictures

Related Product Guide:
We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for China High Quality 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: US, Nepal, Houston, We'd like to invite customers from abroad to discuss business with us. We can provide our clients with high quality products and excellent service. We are sure that we will have good cooperative relationships and make a brilliant future for both parties.
    • The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Karl from Liverpool - 2018.12.14 15:26
    This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Naomi from Guyana - 2018.12.22 12:52

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