Specialized Valves

Bolted Bonnet Valve

Welded Bonnet Valve

  • Bolted Bonnet Valve, with male-female joint, spiral wound gasket, made in SS316 + Gr., Ring Joint gasket is also available on request.
  • Welded Bonnet Valve, with a threaded and seal welded joint. On request a full penetration welded joint is available.

Valve Design Construction and Specifications:

Veetech valves conform to API 602, BS 5352, and ASME B 16.34.

They are tested according to API 598 / BS EN 12266-1:2003

Construction is as follows:

  • Full Port or Standard Port
  • Outside Screw and Yoke (OS&Y)
  • Two piece self aligning packing gland
  • Integral backseat
  • Socket Weld Ends to ASME B16.11
  • Screwed Ends to NPT / BSP / BSPT
  • BWE to ASME B16.25


Specialized Valves :


  • Cryo Valves
  • Actuator mounted valves
  • Stem extension
  • Locking arrangement
  • Body/Bonnet seal welded design for #800 rating
  • Limit switch for open/close indication
  • Body nipple extension


  • Position indicator
  • Stem protection guard
  • Bonnet/stem back seat stellite
  • Various combinations of body & Trim material like A105/304, A105/316, F22/316, F304/316 etc.
  • Special tests such as IBR, Nitrogen Gas, MP, DP, Ultrasonic, Radiography, Oxygen, Hydrogen, Nace etc.