Needle Valves

Needle Valves Single
Bonnet Design (Female x Female)

Model No. GV-57-NV

FEATURES
Maximum working pressure:
3000 psi (207 bar) at 100°F (38°C)
6000 psi (414bar) at 100°F (38°C)
Working temperature:
-22°F (-30°C) to 392°F (200°C)
-65°F (-54°C) to 842°F (450°C)
PTFE packings can be adjusted to extend the valve life.
Stem threads are rolled and lubricated to prevent galling and reduce operating torque.
Optional sour gas service conforms to NACE Mr0175.
Hydro test performed with pure water at 1.5 times of working pressure.
100% factory test
Bonnet Lock pin Prevents accidental Removal while in service.
Material : A479 304, A479 316, A182 GRF 316, Monel, Hastelloy, Inconel

Description

Part No. Part Description Material Qty.
1 Body SS 316 1
2 Gland Body SS 316 1
3 Gland Nut SS 304 1
4 Spindle SS 316 1
5 Gland Packing P.T.F.E 1
6 Gland Bush SS 304 1
7 Trim SS 316 1
8 Dust Cap Rubber 1
9 Handle SS 304 1
10 Grub Screw SS 1
11 Check Nut SS 304 1
13 Lock Pin SS 304 1

Note: 1. Packing is optional with graphite for high temperature to 450℃

3000 PSI
Model No. Inlet x Outlet A B C
GV-57-NV-4 1/4"NPT 46 19 60
GV-57-NV-6 3/8"NPT 46 22 63
GV-57-NV-8 1/2"NPT 55 25 65
GV-57-NV-12 3/4"NPT 65 32 76
GV-57-NV-16 1"NPT 74 40 114

Note: All dimensions are subject to change without notice
All dimensions are in mm unless specified

6000 PSI
Model No. Inlet x Outlet A B C
GV-57-NV-4 1/4"NPT 50 22 89
GV-57-NV-6 3/8"NPT 50 25 89
GV-57-NV-8 1/2"NPT 65 28 90
GV-57-NV-12 3/4"NPT 65 36 110
GV-57-NV-16 1"NPT 80 45 113

Note: All dimensions are subject to change without notice
All dimensions are in mm unless specified