Product Description
Internal And External Thread Needle Valve
Performance and specification
Design and manufacture: ANSI B16.34-1996, connection mode: NPT(M,F) internal and external thread connection, Structural characteristic: taper thread sealing, test and inspection: API STD 598-1996.
The materials of main parts
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 (flexible graphite) (Matel packing) |
5 |
Packing |
PTFE (flexible 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 |
Test standard
test item |
pressure value |
nominal pressure |
6000PSI |
shell test |
6000PSI |
sealing test |
6000PSI |
Gas Pressure Test |
24 |
Suitable Temperature |
≤250ºC |
applicable medium |
Water,Steam,Oil, etc |
External and connection dimensions
ITEM No. |
Nominal diameter |
Td |
H |
L |
L1 |
N |
J11W-1 |
DN6 |
NPT1/4 |
75 |
58 |
75 |
60 |
J11W-2 |
NPT1/2 |
80 |
62 |
66 |
60 |
J11W-3 |
NPT3/4 |
80 |
57 |
- |
60 |
J11W-4 |
DN10 |
NPT3/8 |
75 |
58 |
78 |
60 |
J11W-5 |
DN15 |
NPT1/2 |
77 |
68 |
86 |
60 |
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