Marine Equipment
GB WCB Globe Valve
Standard: Design Standard：GB/T 12235 Flange End：JB/T 79 (or JIS, ANSI, BS,DIN) Test and Inspection：JB/T 9002 Marking：GB/T 12220 Supply Standard：JB/T 7928 Face to Face：GB/T 12221 ...
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Standard:
Design Standard：GB/T 12235
Flange End：JB/T 79 (or JIS, ANSI, BS,DIN)
Test and Inspection：JB/T 9002
Marking：GB/T 12220
Supply Standard：JB/T 7928
Flange End：JB/T 79 (or JIS, ANSI, BS,DIN)
Test and Inspection：JB/T 9002
Marking：GB/T 12220
Supply Standard：JB/T 7928
Face to Face：GB/T 12221
Specification:
Size: DN10~DN300
Pressure: 0.6~16Mpa
Woring Temperature:-29～550℃
| Nominal Pressure | 1.6 | 2.5 | 4 | 6.4 | 10 | 16 |
| Strength Test | 2.4 | 3.8 | 6 | 9.6 | 15 | 24 |
| Water Sealing Test | 1.8 | 2.8 | 4.4 | 7.4 | 11 | 18 |
| Seat Sealing Test | 1.8 | 2.8 | 4.4 | 7.4 | 11 | 18 |
| Air Sealing Test | 0.4~0.7 | |||||
Main Part Material:
| Part Name | Part Material | |||
| Body/Bonnet | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| Disc | WCB | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| Stem | 2Cr13 | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| Packing | Flexible Graphite | PTFE | ||
| Gasket | 18-8Flexible Graphite | |||
| Bolt | 35/35CrMo | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni9 |
| Suitable Temp | -29~425℃ | -29~425℃ | -40~200℃ | -40~200℃ |
| Suitable Medium | Water，Oil，Steam | Steam，Oil | Nitric Acid | Acetic Acid |
