JJ•BY1 Single Flange Pressure-taking 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
JJ•BY1 single flange pressure-taking needle valves
Performance and specification
Design and manufacture: GB/T12224-1989,GB/T12235-1989, connection type: flange connection, Structural characteristic: taper thread sealing；upper thread stem, test and inspection: GB/T13927-1992.
Dimensions & constructral diagram
JJ•BY1 single flange pressure-taking needle valve constructral diagram
Test standard
| test item | pressure value |
| nominal pressure | 2.5 |
| shell test | 3.7 |
| shell test | 2.75 |
| gas pressure test | 0.9 |
| suitable temperatue | ≤180℃ |
| applicable medium | Water,Steam,Oil,etc |
Type and the materials of main parts
| type | body | connector | stem | Screw cap | packing |
| JJ·BY1-25 | 20# | 20# | 2Cr13 | 20# | Flexible graphite, PTFE |
| JJ·BY1-25P | 304SS | 304SS | 304SS | 304SS | Flexible graphite, PTFE |
| JJ·BY1-25R | 316SS | 316SS | 316SS | 316SS | Flexible graphite, PTFE |
External and connection dimensions
| specification | Do | D1 | L | H |
| DN6 | Φ12 | 60 | 105 | 87 |
| DN10 | Φ14 | 70 | 110 | 90 |
