一．Product 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.
二.Product Features
1.Gate valves conform to API 602,and ASME B 16.34
2. Each are tested according to API 598,and marking is per MSS SP-25
Full Port or Conventional Port
4.Outside Screw and Yoke(OS & Y)
5.  Two piece self-aligning packing gland
6. Bolted bonnet with spiral wound gasket, threaded and seal welded bonnet or threaded and
pressure seal bonnet
7.Integral backseat
8.  Socket weld ends to ASME B16.11
9. Screwed Ends (NPT) to ANSI/ASME B1.20.1
三.Technical data
| Size | 1/4″ ~ 2″ |
| Pressure | 800# |
| Standard | API 600, API 6 D, ANSI, ASME |
| Body | AISI 316 L |
| Trim | AISI 316 L |
| Seat | AISI 316 L |