Brand:-
Model:-
MOQ:-0 -
ANSI standard 150lbs 300lbs 600lbs 800lbs 900lbs 1500lbs 2500lbs Cast Steel Gate Valve
Brief introduction:
Forged steel gate valves are available in three bonnet designs. The first design is the Bolted, with male-female joint, spiral wound gasket, made in F304L/graphite.Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.
Technical Specification
* Gate valves conform to API 602,and ASME B 16.34
* Each are tested according to API 598,and marking is per MSS SP-25
* Full Port or Conventional Port
* Outside Screw and Yoke(OS & Y)
* Two piece self-aligning packing gland
* Bolted bonnet with spiral wound gasket, threaded and seal welded bonnet or threaded and
pressure seal bonnet
* Integral backseat
* Socket weld ends to ASME B16.11
* Screwed Ends (NPT) to ANSI/ASME B1.20.1
Mail part & material
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | Seat Ring | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 3 | Wedge | A276 430&410 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 4 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 5 | Gasket | Corrugated SS+ graphite | SS+PTFE | ||
| 6 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |




