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WK 44 Sanitary Ball Valve

Brand: Worcester-Controls

Series WK 44 Clean Valves are operating dependably in processes in the pharmaceutical, biotech, food, cosmetic, paint, chemical and other industries where microbes, media deposits, particle generation 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 help assure quality production with minimum downtime. They last many times longer than diaphragm valves and prevent catastrophic failure.

Specifications

Approvals & Certifications

  • U.V. Light Test
  • Helium Leak Test
  • Wipe Test
  • Compliance
  • CE
  • FDA (21CFR)
  • ISO 9001
  • PED
  • USDA (with TFE or UHMWPE Seats)

Ball Material

  • 316L Stainless Steel - ASTM A479

Bearing Material

  • Thrust Bearing: PEEK (UHMWPE with UHMWPE Seats)
  • Thrust Bearing: Polyfill (UHMWPE with UHMWPE Seats)

Enclosure Finish

  • Interior Surface Finish: Electro-Polishing 30 Ra, 15 Ra
  • Interior Surface Finish: Mechanical Polish 6-10 Ra

Enclosure, Body Material

  • 316L Stainless Steel - ASTM A351 CF3M

Flow Capacity

  • 8 to 36 Cv

Handle Assembly Material

  • Stainless Steel, Plastisol-Dipped Sleeve

Materials of Construction

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

Nut & Bolt Material

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

Operating Pressure

  • One-Piece Seat/Body Seal - psi: 800 (kPa: 5,516, bar: 55.16)

Operation

  • Electrical Operation for ON/OFF
  • Lever Handle
  • Pneumatic Operation for ON/OFF
  • Porting: 180° with Shutoff
  • Porting: 90°
  • Throttling Control

Port

  • Reduced (Standard, Regular)

Seat / Seal Material

  • Body Seal: TFE Coated Stainless Steel ”S” Gasket
  • Seat/Body Seal: TFE-Virgin
  • Seat/Body Seal: TFM
  • Seat/Body Seal: UHMWPE
  • Stem Seal (with TFE or Polyfill Seats), Seat/Body Seal: Polyfill

Stem Material

  • One-Piece, Bottom Entry: 316L Stainless Steel (ASTM A479)

Tube Connection

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

Valve Size

  • 1/2” to 2” (12.7 to 50.8 mm)

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
  • 3/4” Butt Weld End

  • Pharmaceutical/Biotech (High-purity Water, Sterile Steam, Flush-bottom Tank Valves, Cleaning: Acids, Caustics, Deionized Water, Gas & Air Sparging, Media & Nutrient Inlets)
  • Microelectronics Manufacturing (High Vacuum, High-purity Gases, Toxic Gases, Solvent Lines, Instrumentation Tie-ins)
  • Paint
  • Chemical Industry
  • Cosmetics & Creams (Oils, Shampoos, Detergents, White Wax)
  • Food Processing (Wine & Spirits, Hot Cooking Oils, Steam, Water Feed Lines, Retort Lines)
  • Lyophilization or Freeze-Drying (High Vacuum, Cryogenic Liquids, Super-cooled Oils, Sterile Steam, High-purity Inert Gases)
  • Sterile Steam & Distillation (Distilled Water, Recirculation Loops)
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