Screwed needle stop valve Socket weld type needle valve

GAUGE VALVE/BALL TAP/NEEDLE STOP VALVE/BALL VALVE

NSS−14 NSSW−14

ØＷ ØＷ

ＦＴ)

ＦＴ)
Ｉ

Ｉ
ｌ(Ｌ

ｌ(Ｌ

Ｈ (ＯＰＥＮ)
Ｈ (ＯＰＥＮ)
Øｂ Øｂ

ØＳ
Øｄ0 Ｃ
Øｄ0 Ｒｃ．
ｄ

Ｌ
Ｌ

Basic Specifications Size List Basic Specifications Size List

Connection Screw Rc SIZE do L I W H b Connection Socket weld (SW) SI ZE do L S C I W H b
Maximum usage pressure 1／ 6 5 50 7 58 73 18.5 Maximum usage pressure 1／ 6 5 58 11.0 10 7 58 73 18.5
Refer to the pressure-temperature 8 Refer to the pressure-temperature 8
standard chart 1／ standard chart 1／
Maximum usage temperature 4 8 5 50 7 58 73 18.5 Maximum usage temperature 4 8 5 58 14.3 10 7 58 73 18.5
3／ 10 6 56 6 68 80 22.5 3／ 10 6 63 17.8 13 6 68 80 22.5
8 8
Material 1／
Material 1／
2 15 7 62 6.5 68 86 22.5 2 15 8 73 22.2 13 6.5 68 86 22.5
Body Grand packing 3／ Body Grand packing 3／
4 20 10 70 10 78 107 22.5 4 20 10 80 27.7 16 10 78 107 22.5
NSS-14 SCS316 PTFE NSSW-14 SCS316 PTFE
1 25 12 84 11 90 128 34 1 25 12 100 34.5 16 11 90 128 34

MAX・CVfigure MAX・CVfigure
Size 1／ 1／ 3／ 1／ 3／ Size 1／ 1／ 3／ 1／ 3／
8 4 8 2 4 8 4 8 2 4

CVfigure 0.36 0.48 0.66 0.82 1.82 CVfigure 0.36 0.48 0.66 0.82 1.82

Pressure-temperature standard graph CV figure curve Pressure-temperature standard graph CV figure curve

30 2.0 30 2.0
26MPa 38℃ 1.82 26MPa 38℃ 1.82
1.8 1.8
25 25
1.6 Pressure MPa 1.6
Pressure MPa

CV figure

CV figure
20 1.4 20 1.4
1.2 1.2
15 1.0 15 1.0
0.82 0.82
0.8 0.8
10 0.66 10 0.66
0.6 0.6
0.48 0.48
0.4 0.36 0.4 0.36
5 5
0.2 0.2
0 0
-20 0 50 100 140 1 2 3 4 5 6 7 -20 0 50 100 140 1 2 3 4 5 6 7
Temperature （℃） Number of handle rotation speed Temperature （℃） Number of handle rotation speed

59 60