Pharmach Engineering India Pvt Ltd

Valve Manufacturers

Bonnet Gate Valve Manufacturers

Bonnet Gate Valve

Bonnet Gate Valve are recommended for several applications in the power industry, in particular in feed water lines, steam lines, and in services which involve high temperatures media.

Series -600LB~2500LB

Design Features
  • Seats are welded in
  • Position indicator is offered as standard
  • Available in wedge gate and parallel slide configurations
  • A range of compact pressure seal gate valves designed according to ASME B16.34
  • Stellite® gr. 6 overlay on seat and wedge or disc; Stellite® gr. 21 overlay on backseat
  • Standard ISO top mounting for easy assembly of any type of actuator or bevel gear
  • Available options: wedge vent hole or overpressure pipe, by-pass, limit switch in open or closed position
  • Pressure seal gasket has trapezoidal shape for a low load on bolting, and is supplied in graphite with integral stainless steel anti-extrusion protection
  • Valves are offered as standard with manual operators (Hand wheel or bevel gear depending on size). Actuated options such as electric, pneumatic or hydraulic are available
  • All range is offered in four standard cast materials: WCB (generally used on feed water lines), WC6 and WC9 (both used on steam lines), C12A (proposed for high temp. applications).
Product Specifications
  • Size 2″-24″ DN50-DN600
  • Pressure Class 600LB~2500LB
  • End Connection RF, RTJ, BW
  • Body Material WCB, WC6, WC9, WCC, CF8, CF3, CF3M, CF8M, 4A, 5A
  • Wedge Material WCB, WC6, WC9, WCC, CF8, CF3, CF3M, CF8M, 4A, 5A
  • Seat Material A105+F6a, A105+STL6, 304,316, Hastelloy, Monel, etc.
  • Stem Material A182 F6a, 410, 420, 304, 316, 17-4PH, F11, etc.
  • Design Standard API 600, API 6D
  • Face to Face Standard ASME B16.10
  • Test Standard API 598, API 6D
  • Temperature Range -29℃~425℃
  • Actuator Options Handwheel, Bevel Gear, Pneumatic, Electric
    Structure Style
  • Full Port
  • Pressure Sealed Bonnet
    Connection Standard
  • Flange Drilling: ASME B 16.5, ASME B16.47
  • Butt Weld: ASME B16.25, GB/T 12224
  • Socket Weld: ASME B16.11
  • Thread: ANSI B1.20.1