Single-piece / Two-piece design

 F15 Fire-safe Series (Class 150)
 F30 Fire-safe Series (Class 300)
These high performance full bore ball valves come in single-piece design (in sizes of 15 - 40mm) as well as in two-piece design (in sizes of 50 -200mm). Advanced features such as fire safety, antistatic capability, cavity relief and blowout proof stem are built into these valves. They are supplied with an integral actuator mounting flange with drilled and tapped holes conforming to ISO 5211.
 Dimensional Details (in mm, unless specified) F15
F15 (Class 150)   F30 (Class 300)


kg/cm (psl)
31.5 (450)
79.0 (1125)

Valve design

BS 5351   Test pressures

Fire test

API 607, 4th edition API   Shell Class 150 (hydrostatic) Class 300 (hydrostatic)
Pressure testing

edition API 598 (testing as per BS 6755 Part I on request)

Face-to-face dimensions ASME B16.10
(compliance to BS 2080 can be offered on request)
  Seat Class 150 (air)
Class 300 (air)
End flange dimensions ASME B16.5 Class 150 RF and Class 300 RF