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FK Soft Seated Ball Valve


FK Ball Valves are available in the following configurations:

  • Two-piece, raised face flanged ends
  • Sizes ½” through 12”
  • Pressure ratings ANSI Class 150 and 300
  • Xomox FK ball valves provide tight shutoff from vacuum through rated pressure at temperatures up to 450°F (230°C)



A stainless steel tag is attached to all manufactured and modified valves. It includes standard ANSI information and an individual serial number.


Each valve is tested according to API 598.

Features Include

  • Full bore design
  • Face-to-face dimension long pattern ASME B16.10
  • Raised face flange dimension per ASME B16.5
  • Self-relieving seats
  • Fire tested API 607 6th edition & ISO 10497:2010
  • Anti-static design (electrical continuity between ballstem-body)
  • Blow-out proof stem
  • Actuator mounting flange according to ISO 5211
  • Patented SX stem seal for side load protection
  • Fugitive emissions per EPA Method-21, ISO-15848, & TALuft (VDI 2440)


Soft-Seated Ball Valves Designed to ASME Standards

FK valves are designed in accordance with ASME B16.34, API-608, API-6D. These ball valves feature a full-port split body design, and the option of a locking hand lever or an enclosed operating gear and hand wheel.