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API/JIS Cast Steel Gate Valve
Applying Specification
Design and Manufacture: According to API STD.600
Length of Structure: According to ANSI B16.10
Type and Size of Flange: 150/300/600Lb according to ANSI B16.5
JIS 10K/20K according to JIS B2212-B2214
Inspection Standard: According to STD.598
Performance Standard
Performance Standard :
Item |
Mpa |
Psl |
Temperature |
Medium |
Intensity Testing |
3.0 |
450 |
≤200℃ |
Nitric Acid |
High Pressure Sealing Testing (Water) |
2.2 |
314 |
Nitric Acid Acetum |
Low Pressure Sealing Testing (Air) |
5~7 bar |
Nitric Acid Acetum |
Standard Material of the Main Parts :
Part Name |
Material |
Body / Bonnet |
WCB |
CF8 |
CF3 |
CF 8M |
CF 3M |
Wedge Disc |
WCB |
CF8 |
CF3 |
CF 8M |
CF 3M |
Stem |
1Cr13 |
F304 |
F 304L |
F316 |
F 316L |
Stem Seal |
Graphite |
PTFE |
PTFE |
PTFE |
PTFE |
Gasket |
Graphite+304 |
PTFE+304 |
PTFE+ 304L |
PTFE+316 |
PTFE+ 316L |
Board |
WCB |
CF8 |
CF3 |
CF 8M |
CF 3M |
Stem Seal Ring |
1Cr13 |
304 |
304L |
316 |
316L |
Bolt |
35CrMoA |
A193-B8 |
A193-B8 |
A193-B 8M |
A193-B 8M |
Nut |
45 |
A194 -8M |
A194 -8M |
A194 -8M |
A194 -8M |
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