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.
Main performance specification
Nominal pressure(MPa)
|
Body testing
(MPa)
|
Seal tesing
(MPa)
|
Working temperature
(℃)
|
Appropriate media
|
1.0
1.6
|
1.5
2.4
|
1.1
1.8
|
Rubber≤100℃
Y/H≤425℃
|
paper pulp,dirty water,coal slurry,ashes,compornds of water and slag.
|
Materials of main parts
Body,cover
|
Gate
|
Stem
|
Seal surface
|
stainless steel,carbon steel,cast iron
|
stainless steel
|
stainless steel
|
Rubber,TPFE,stainless steel,hard alloy
|