WK 74 Sanitary Ball Valve

Brand: Worcester-Controls

Flowserve Worcester Controls Series WK 74 clean valves operate dependably in the pharmaceutical, biotech, food, cosmetic, paint, chemical and semi-conductor manufacturing industries where microbes, media deposits, mineral impurities and cross-contamination can threaten the quality of the product. 

The high-purity design, high vacuum rating, high cycle life and pressure/temperature rating of these valves make them ideal for applications from sterile steam to nutrient inlets to high-purity water. 

The performance of the WK 74 Tube Bore Clean Valve is based on a combination of high standard specifications.

Specifications

Approvals & Certifications

  • ISO 9001
  • PED
  • FDA
  • API 607 Edition 4
  • Compliance

Ball Material

  • 316L Stainless Steel - A479 Condition A

Bearing Material

  • Thrust Bearing (Fire Rated): Graphite, Carbon-Filled
  • Thrust Bearing: PEEK
  • Thrust Bearing: PolyFill
  • Thrust Bearing: TFE-Virgin
  • Thrust Bearing: TFM-Virgin

Enclosure Finish

  • Interior Surface Finish: Electroplishing (20 Ra, 10 Ra)

Enclosure, Body Material

  • 316L Stainless Steel - ASTM A351 CF3M

Flow Capacity

  • Extended Butt Weld O.D. Tube: 6.5 to 1,889 Cv
  • Quick Disconnect: 8.1 to 2,054 Cv

Handle Assembly Material

  • 304 Stainless Steel - ASTM A167, Vinyl Coated

Materials of Construction

  • Belleville Washers: AISI 301 Stainless Steel
  • Pipe Ends (ASTM A351 CF3M), Follower (AISI): 316L Stainless Steel
  • Seal Protector: PEEK
  • Stop Pin (A276), Lock Washer (AISI): 300 Series Stainless Steel

Nut & Bolt Material

  • Body Bolt: 316 Stainless Steel (ASTM F593 Grade 2)
  • Body Nut: 304 Stainless Steel (ASTM A194 Grade 8)
  • Handle Nut & Retaining Nut: AISI 300 Series Stainless Steel, Zinc-Plated

Operation

  • Lever Handle

Pressure Rating

  • Extended Butt Weld O.D. Tube - psig: 500 (kPa: 3,447, bar: 34.47)

Seat / Seal Material

  • Body Seal & Stem Seal: Graphite (Fire Rated)
  • Body Seal & Stem Seal: TFE-Virgin
  • Seat & Stem Seal: TFM
  • Seat: Cavity Filled
  • Seat: Polyfill
  • Seat: Reinforced TFE
  • Stem Seal: PEEK

Stem Material

  • 316L Stainless Steel - A479 Condition A

Tube Connection

  • 1” O.D. Tube
  • 1/2” O.D. Tube
  • 1-1/2” O.D. Tube
  • 2” O.D. Tube
  • 3” O.D. Tube
  • 3/4” O.D. Tube
  • 4” O.D. Tube

Valve Type

  • Automated
  • Manual

Welded Connection

  • 1” Butt Weld End
  • 1/2” Butt Weld End
  • 1-1/2” Butt Weld End
  • 2” Butt Weld End
  • 3” Butt Weld End
  • 3/4” Butt Weld End
  • 4” Butt Weld End

  • Biotechnology
  • Chemical Industry
  • Cosmetics
  • Food
  • Paint
  • Pharmaceutical
  • Semi-Conductor Manufacturing Industry
  • Sterile Steam

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