Cheap Mechanical Seals Repair Manufacturer – Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS

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In the past few years, our business absorbed and digested advanced technologies both equally at home and abroad. In the meantime, our company staffs a group of experts devoted to your advancement of Water Pump Mechanical Seals, Replacement Mechanical Seals, Type 21 Mechanical Seal, We are one of the largest 100% manufacturers in China. Many large trading companies import products from us, so we can give you the best price with the same quality if you are interested in us.
Cheap Mechanical Seals Repair Manufacturer – 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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Cheap Mechanical Seals Repair Manufacturer –  Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS detail pictures

Cheap Mechanical Seals Repair Manufacturer –  Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS detail pictures

Cheap Mechanical Seals Repair Manufacturer –  Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS detail pictures

Cheap Mechanical Seals Repair Manufacturer –  Type W21 Single Spring Pump Mechanical Seals Replaced John Crane Mechanical Seals Type 21 – VICTOR SEALS detail pictures


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With a complete scientific quality management system, good quality and good faith, we win good reputation and occupied this field for Cheap Mechanical Seals Repair Manufacturer – 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: Moldova, Dominica, Bandung, During in 11 years, We have participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !
  • The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Maggie from venezuela - 2017.08.15 12:36
    Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
    5 Stars By Amy from Brazil - 2017.03.28 16:34