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Gas source ball valve is a control valve used in pipeline systems, which can regulate gas flow by rotating the ball.
NO. | Part name | Material |
1 | Body | 20# A105 SS304 SS304L SS316 SS316L |
2 | Bonnet Gasket | (Red copper) PTFE |
3 | Bonnet | 20# A105 SS304 SS304L SS316 SS316L |
4 | Packing Seat | PTFE(Expanded Graphite) (Matal and Graphite) |
5 | Packing | PTFE(Expanded Graphite) |
6 | Packing Gland | 20# A105 SS304 SS304L SS316 SS316L |
7 | Stem | 20# A105 SS304 SS304L SS316 SS316L |
8 | Handle | 20# A105 SS304 SS304L SS316 SS316L |
9 | Hexagon Screw | 20# A105 SS304 SS304L SS316 SS316L |
Main Dimensions.
ITEM NO. | DN Nominal bore | Td | H | L | L1 | N |
GAQ11F | DN6 | NPT1/4 | 75 | 58 | 75 | 60 |
GAQ11F | NPT1/2 | 80 | 62 | 66 | 60 | |
GAQ11F | NPT3/4 | 80 | 57 | - | 60 | |
GAQ11F | DN10 | NPT3/8 | 75 | 58 | 78 | 60 |
GAQ11F | DN15 | NPT1/2 | 77 | 68 | 86 | 6 |
Pressure Test.
Test Item | Shell Test | Sealing Test | Back Seal Test | Air Test | |||||
Medium | Water | Air | |||||||
Unit | MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | |
Test Pressure | 150 | 3.1 | 450 | 2.2 | 315 | 2.2 | 315 | 0.5-0.7 | 60-100 |
300 | 7.8 | 1125 | 5.6 | 815 | 5.6 | 815 | |||
400 | 10.3 | 1500 | 7.6 | 1100 | 7.6 | 1100 | |||
600 | 15.3 | 2225 | 11.2 | 1630 | 11.2 | 1630 | |||
900 | 23.1 | 3350 | 16.8 | 2440 | 16.8 | 2440 |