Main performance specification
Product Description
Stainless Steel Knife Gate Valves (PZ73H)
Standards Compliance:
MSS SP-81, JB/T 8691
Face to Face Dimension: MSS SP-81
Pre-temperature Rating: ANSI B16.34
Flanged Dimension: ANSI B16.5, DIN2533; JB79; GB/T 9113; HG20592
Inspect & Test: API 598, GB/T 13927; JB/T 9092
Carbon Steel:
Cast Carbon Steel A216 Gr WCB Body and Bonnet.
F316 Stem & Gate, Resilient or Metal Seating
Stem packing PTFE / graphite composite.
Cast Iron:
Cast Iron A126 GR. B Body and Bonnet.
F304 Stem & Gate, Resilient or Metal Seating
Stem packing PTFE / graphite composite.
Available also in low temperature steels, low alloy steels, stainless steels, duplex type stainless steels and other exotic materials.
Various trim materials available to suit service conditions.
| Design and Manufacture | ANSI B16.34, API600, API6D, API603, BS1414 |
| Face to face(end to end) | ANSI B16.10, API6D |
| Flanged connection | 2"~24" to ANSI B16.522", 26"~36" to MSS-SP-44 or to API605 on Request |
| FACE TO FACE | ASME B16.10 |
| Test and inspection | API598, API6D |
| Butt welded end | ANSI B16.5 |












Q: Are you a manufacturer or a distributor?
A: We are a valve manufacturer with 25 years of experience in valve development, design, production and sales. Won the top ten valve manufacturers in China.
Q:Is it a finished product or can be customized?
A:We customize the professional valves you need according to your technical requirements, drawings, parameters, etc.
Q:What is your price term
A:Ex-factory ,FOB
Q:what is the minimum order quantity
A:Small diameter valves is 10pcs/model,large diameter valves is 1pcs/model, if you have special requirements, please communicate with us.
Q:What is the term of payment?
A:T/T or L/C Also,we accept the order to be placed via Made-in-china




















