J21W/H Internal And External Pressure Gage Needle Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
J21W/H internal and external pressure gage needle valves
Performance ans specification
Design and manufacture: GB/T12224-1989,JB/T7747-1995, connection type: internal and external thread connection, Structural characteristic: taper thread sealing；Movable disc, test and inspection: GB/T13927-1992
Dimensions & constructral diagram
J21W/H internal and external pressure gage needle valve constructral diagram
Test standard
| test item | pressure value |
| nominal pressure | 16 |
| shell test | 24 |
| sealing test | 17.6 |
| gas pressure test | 0.9 |
| suitable Temperatue | ≤250℃ |
| applicable medium | Water,Steam,Oil,etc |
External and connection dimensions
| specification | Do | M | L | H |
| DN6 | 60 | G1/4 | 65 | 85 |
| DN10 | 60 | G1/2 | 68 | 87 |
| DN15 | 70 | ZG3/4 | 86 | 87 |
| DN20 | 80 | ZG1 | 100 | 100 |
