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Nominal diameter DN(mm) |
15-150 | |||||
Nominal pressure PN(MPa) |
1.6 |
2.5 | ||||
Nominal pressure
PS(MPa) |
Strength test |
2.4 |
3.75 | |||
Sealing test |
1.76 |
2.75 | ||||
Material \material code |
C |
P |
R | |||
Main components |
Valve body |
WCB |
ZG1Cr 18Ni 9Ti |
ZG0Cr 18Ni 12Mo2Ti | ||
Ball body |
WCB |
ZG1Cr 18Ni 9Ti |
ZG0Cr 18Ni 12Mo2Ti | |||
Valve stem |
2Cr13 |
1Cr 18Ni 9Ti |
0Cr 18Ni 12Mo2Ti | |||
Sealing ring |
PTFE alignment polystyrene | |||||
Filler |
PTFE flexible graphite | |||||
Suitable conditions |
Suitable media |
water、steam、oil |
Nitric acid |
Acetic acid | ||
Suitable temperature |
-28℃ - 250℃ | |||||
Actuator |
Model |
DA/SR series、GTD/GTE series、QGSY series | ||||
Air pressure |
0.4-0.7MPa | |||||
Actuator standard |
Design and manufacture |
Length of structure |
Flange size |
Pressure temperature |
Test inspection | |
GB12237 |
GB12221 |
GB9113 |
GB9131 |
GB13927 |