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
J43W/H flange needle valve constructral diagram
Test standard
test item |
pressure value |
nominal pressure |
2.5 |
Shell test |
3.7 |
sealing test |
2.75 |
gas pressure test |
0.9 |
suitable Temperatue |
≤180℃ |
applicable medium |
Water,Steam,Oil, etc |
Model and the materials of main parts
type |
body |
connector |
stem |
Screw cap |
Packing |
J48H-25 |
20# |
20# |
2Cr13 |
20# |
Flexible graphite, PTFE |
J48W-25P |
304SS |
304SS |
304SS |
304SS |
Flexible graphite, PTFE |
J48W-25R |
316SS |
316SS |
316SS |
316SS |
Flexible graphite, PTFE |
External and connection dimensions
specification |
A |
L |
H |
Do |
DN10 |
90 |
130 |
90 |
60 |
DN15 |
92 |
122 |
90 |
60 |
DN20 |
105 |
150 |
105 |
80 |
DN25 |
115 |
150 |
120 |
100 |