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Latest News

  • AF-36C & AF-51C Cryogenic Ball Valves passed BS 6364 Cryogenic Test

  • This testing requires immersion in liquid nitrogen @-321F for one hour, then (20) cycles at full rated pressure (2000 psig) with helium as a test gas, then valve is tested for both external & across-valve leakage with helium...
    AF-60 Sanitary & High Purity Ball Valves for gas or processing cooling water in Semiconductor, pharmaceutical or food Industry.
    Spring Return Handle Ball Valves Spring Return Closes  valves when not held open providing safety for applications that requires positive closure. Locking device lock the valve in preferred position.
    AF-51F 150 ~ 300#  Flanged Direct Mount Ball Valves Firesafe certified to API 607 7th Edition.
    AF-35 2000 PSI  3-pc Direct Mount Ball Valves Firesafe  certified to API 607 7th Edition.
    AF-291 6,000 PSI High Pressure Ball Valve Seal Welded, ISO 5211 mounting, Delrin Seat. Locking Handle or Bare Stem for Actuation. Option: Firesafe to API 607 5th Edition.
Contact Anson for details.



Anson Flow Corp.
7F-2, No. 408, Nantun Rd., Sec.2, Taichung City 408 438, Taiwan  

Phone: +886 4 2472 0998
Fax:     +886 4 2473 4240
E-Mail: sales@ansonflow.com

Stainless Steel Valve Balls -  Size Range from: 1/4" -  16"

Anson Flow specializes in the supply of high quality valve balls to end users in the ball valve industry. Our factories control the raw material supply chain to insure that all balls produced carry full material certification. Full chemical and physical material reports accompany all production shipments. Modern machining methods provide consistency and accuracy throughout the production run. Effective quality controls systems, coupled with extensive final inspection guarantee full compliance with blueprint specifications.


Continuous investments are made in order to provide our production process with machinery capable of producing valve balls in accordance with the strictest quality requirements.

Nominal diameter from 1/4"(DN8) up to 16"(DN400) are readily available. Other sizes can also be supplied on demand.

Ball ranges from Floating, Trunnion, 3-Way ("T",  "L" Port or "120" Port), "V" Port, & "X" Port valve balls. Available with Hollow, Solid,  Pipe Welded Balls. Ball products can be supplied completely polished or honed.

Material Produced:

  • Stainless Steel (316 CF8M, 304 CF8)
  • Stainless Steel (316L CF3M, 304L CF3, 400 Series)
  • Carbon Steel (WCB)
  • High Alloys (Alloy 20, Hastelloy, Monel)
  • Full Material Certification Available


  • Highest Quality 
  • Closest Sphericity
  • Quality Packaging
  • Accurate Delivery