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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
| 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℃
| 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
| 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
GLOBAL Valves tube fittings deliver a leak-tight, gas-tight seal in an easy-to-install, disassemble, and reassemble form. The robust tube grip with patented, two-ferrule technology is resistant to vibration fatigue and withstands high pressures and temperature extremes
Tube Fittings has been designed for use in instrumentations, process & control system, analyses and environment employed in chemical, petroleum, power generating, pulp & paper plants. GLOBAL Valves tube fitting has also found special application in other fields where high-pressure tube fitting has also found special application in other fields where high-pressure tube fittings are required. If more specific information, including heat code traceability, is required GLOBAL Valves will provide details. Stainless steel Tubefit Engineers tube fitting work reliably on both seamless & welded - redrawn, fully, annealed type tubing.
Established in 1995, has evolved in to a major player in quality products catering to the booming markets.