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Home / Products / Stainless Steel Fittings / High Pressure Needle Valve Female x Female NPT - SS 316 Instrumentation Valves
High Pressure Needle Valve Female x Female NPT - SS 316 Instrumentation Valves
SKU ID: HPNV-F
Description
High Pressure Needle Valve Female x Female NPT - SS 316 Instrumentation Valves
The HPNV-F is a high pressure needle valve female x female NPT that isolates or controls flow in the line, with a body built for repeated operation. The 316 stainless steel body resists corrosion in gas, hydraulic and pneumatic service. Dimensionally interchangeable with equivalent Parker, Swagelok fittings.
Sizes and Part Numbers
Sr. No. | Size | Ref Part No. |
1 | 1/4 Inch | HPNV-F-4 |
2 | 3/8 Inch | HPNV-F-6 |
3 | 1/2 Inch | HPNV-F-8 |
4 | 3/4 Inch | HPNV-F-12 |
5 | 1 Inch | HPNV-F-16 |
Technical Specifications
Size | 1/4 Inch to 1 Inch |
End Connection | NPT, BSPT, Socket Weld, Butt Weld, Tube Fitting |
Pattern | Straight |
Working Pressure | 10,000 Psi (700 Bar) |
Temperature Rating | PTFE 450°F (232°C) · Grafoil 700°F (371°C) |
Material of Construction | SS 316, SS 304, CS, F11, Hastelloy, Monel |
Stem Packing | PTFE, Grafoil |
Orifice | Dia 4.7 |
Panel Mounting | On body bonnet |
Sour Gas Service | Optional, conforming to NACE Std. MR-01-75 |
Features
Union bonnet design
Packing bolt design permits packing adjustment in the open or closed position
Union bonnet: back seated, blow-out proof
Union bonnet design prevents accidental valve disassembly
Spindle: ground and thread rolled
Spindle tip: non-rotating, shut-off type stellited, regulating stellited and soft seated
Packing bolt: silver plated for anti-galling, for increased stem cycle life
Dust cap protects stem threads from external contamination
Leak-tight seal with low operating torque
Heat code traceability
All valves 100% factory tested prior to shipment
Materials of Construction
Sr. No. | Description | Qty. | Material |
1 | Body | 1 | SS 316 |
2 | Stem | 1 | SS 316 |
3 | Ball Tip (Chrome plated) | 1 | SS 316 |
4 | Bonnet | 1 | SS 316 |
5 | Packing Support | 1 | SS 316 |
6 | Panel Nut | 2 | GLASS FILLED PTFE |
7 | Packing | 4 | PTFE/GRAFOIL |
8 | Gland Bush | 1 | SS 316 |
9 | Union Nut | 1 | SS 316 |
10 | Lock Nut | 1 | SS 316 |
11 | Packing Bolt | 1 | SS 416 - NICKEL CADMIUM PLATED |
12 | Bonnet Seal | 1 | PTFE |
13 | Grub Screw | 1 | SS |
14 | Handle | 1 | SS 304 |
15 | Dust Cap | 1 | LDPE |
Testing
Pneumatic seat test at 1/4 of working pressure
Hydrostatic shell test at 1.5 times working pressure
Optional tests available on request
Lubrication
Dye molly sulphide.
Application
Rated to 10,000 Psi, this union bonnet needle valve handles high pressure hydraulic, gas and test rig lines where the female NPT ports allow inline mounting between threaded pipe sections.