Products
NPT Needle Valves
- QUICK OPEN-TYPE ADDITIONAL FEATURES
- Valve fully opens in as little as 1-3/4 turns
- Stem lifts off of the seat minimum 2X faster than conventional valves reducing throttling and increasing seat life
- OPTIONS
- Solid stainless steel or aluminum handle
- Replaceable seat design for use in harsh environments
- Air actuators for remote valve operation
- Can be manufactured to meet NACE MR-01-75
- Extended stuffing box for temperatures as low as -423°F
- Variety of construction materials available
- MATERIALS
- Body – 316 stainless steel
- Packing – glass filled Teflon
- Stem – 17-4 PH
- SPECIFICATION
- MAWP up to 15,000 psi (1034 bar)
- Temperature ratings: -0°F to 600°F (-17°C to 315°C)
- Standard NPT end connections
- Standard vee type stem
- FEATURES & BENEFITS
- Standard valve fully opens in as little as 4 1/2 turns
- Standard 3/4” and 1” valve fully opens in as little as 3 turns, compared to 9 turns for industry standard valves
- Robust stem-to-handle mount eliminating any slipping or loosening
- Two-piece, heavy-duty, non-rotating stem for a robust and reliable assembly
- Bi-directional flow capability simplifies system designs
- Innovative packing gland design resistant to vibration.
Eliminates the need for an external locking device - Double sided weep holes for easier leakage verification
Also available in 10,000 psi. Please inquire for details.
| Valve Dimensions |
End Connection Size (in.) |
Connection Type |
Pressure Rating |
Part Number |
Orifice (in/mm) |
Dimensions (in/mm) |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D1 | D2 | D3 | E | F | G | H | J | L | ||||||
| 2-Way Straight | |||||||||||||||||
 Figure 1 |
1/4 | NPT-F | 15,000 psi | SS-NVNF4-15K | 0.250 | 2.00 | 1.00 | 2.00 | 1.63 | 1.19 | - | 0.38 | 1.24 | 3.00 | 4.84 | 0.25 | 1.00 |
| 6.350 | 50.80 | 25.40 | 50.80 | 41.40 | 30.23 | - | 9.65 | 31.50 | 76.20 | 122.94 | 6.35 | 25.40 | |||||
| 3/8 | SS-NVNF6-15K | 0.312 | 2.50 | 1.25 | 2.88 | 2.38 | 1.75 | - | 0.50 | 1.38 | 4.00 | 5.46 | 0.34 | 1.00 | |||
| 7.925 | 63.50 | 31.75 | 73.15 | 60.45 | 44.45 | - | 12.70 | 35.05 | 101.60 | 138.68 | 8.64 | 25.40 | |||||
| 1/2 | SS-NVNF8-15K | 0.312 | 2.50 | 1.25 | 3.00 | 2.38 | 1.75 | - | 0.50 | 1.38 | 4.00 | 5.58 | 0.34 | 1.25 | |||
| 7.925 | 63.50 | 31.75 | 76.20 | 60.45 | 44.45 | - | 12.70 | 35.05 | 101.60 | 141.73 | 8.64 | 31.75 | |||||
| 3/4 | 10,000 psi | SS-NVNF12-10K | 0.438 | 3.00 | 1.50 | 3.75 | 3.00 | 2.25 | - | 0.62 | 1.75 | 8.07 | 7.07 | 0.44 | 1.38 | ||
| 11.125 | 76.20 | 38.10 | 95.25 | 76.20 | 57.15 | - | 15.75 | 44.45 | 204.98 | 179.58 | 11.18 | 35.05 | |||||
| 1 | SS-NVNF16-10K | 0.562 | 4.12 | 2.06 | 4.75 | 3.75 | 2.82 | - | 1.12 | 2.50 | 10.29 | 8.96 | 0.56 | 1.75 | |||
| 14.275 | 104.65 | 52.32 | 120.65 | 95.25 | 71.63 | - | 28.45 | 63.50 | 261.37 | 227.58 | 14.22 | 44.45 | |||||
| 2-Way Angle | |||||||||||||||||
 Figure 2 |
1/4 | NPT-F | 15,000 psi | SS-NVNF4-12-15K | 0.250 | 2.00 | 1.00 | 2.44 | 1.19 | - | 0.38 | 1.24 | 3.00 | 5.28 | 0.25 | 1.00 | |
| 6.350 | 50.80 | 25.40 | 61.98 | 30.23 | - | 9.65 | 31.50 | 76.20 | 134.11 | 6.35 | 25.40 | ||||||
| 3/8 | SS-NVNF6-12-15K | 0.312 | 2.50 | 1.25 | 3.38 | 1.75 | - | 0.50 | 1.38 | 4.00 | 5.96 | 0.34 | 1.00 | ||||
| 7.925 | 63.50 | 31.75 | 85.85 | 44.45 | - | 12.70 | 35.05 | 101.60 | 151.38 | 8.64 | 25.40 | ||||||
| 1/2 | SS-NVNF8-12-15K | 0.312 | 2.50 | 1.25 | 3.38 | 1.75 | - | 0.50 | 1.38 | 4.00 | 5.96 | 0.34 | 1.25 | ||||
| 7.925 | 63.50 | 31.75 | 85.85 | 44.45 | - | 12.70 | 35.05 | 101.60 | 151.38 | 8.64 | 31.75 | ||||||
| 3/4 | 10,000 psi | SS-NVNF12-12-10K | 0.438 | 3.00 | 1.50 | 4.25 | 2.25 | - | 0.62 | 1.75 | 8.07 | 7.57 | 0.44 | 1.38 | |||
| 11.125 | 76.20 | 38.10 | 107.95 | 57.15 | - | 15.75 | 44.45 | 204.98 | 192.28 | 11.18 | 35.05 | ||||||
| 1 | SS-NVNF16-12-10K | 0.562 | 4.12 | 2.06 | 5.13 | 2.82 | - | 1.12 | 2.50 | 10.29 | 8.96 | 0.56 | 1.75 | ||||
| 14.275 | 104.65 | 52.32 | 130.30 | 71.63 | - | 28.45 | 63.50 | 261.37 | 227.58 | 14.22 | 44.45 | ||||||
| 3-Way / 2-On Pressure | |||||||||||||||||
 Figure 3 |
1/4 | NPT-F | 15,000 psi | SS-NVNF4-13-15K | 0.250 | 2.00 | 1.00 | 2.62 | 1.63 | 1.19 | - | 0.38 | 1.24 | 3.00 | 5.46 | 0.25 | 1.00 |
| 6.350 | 50.80 | 25.40 | 66.55 | 41.40 | 30.23 | - | 9.65 | 31.50 | 76.20 | 138.68 | 6.35 | 25.40 | |||||
| 3/8 | SS-NVNF6-13-15K | 0.312 | 2.50 | 1.25 | 3.62 | 2.38 | 1.75 | - | 0.50 | 1.38 | 4.00 | 6.20 | 0.34 | 1.00 | |||
| 7.925 | 63.50 | 31.75 | 91.95 | 60.45 | 44.45 | - | 12.70 | 35.05 | 101.60 | 157.48 | 8.64 | 25.40 | |||||
| 1/2 | SS-NVNF8-13-15K | 0.312 | 2.50 | 1.25 | 3.62 | 2.38 | 1.75 | - | 0.50 | 1.38 | 4.00 | 6.20 | 0.34 | 1.25 | |||
| 7.925 | 63.50 | 31.75 | 91.95 | 60.45 | 44.45 | - | 12.70 | 35.05 | 101.60 | 157.48 | 8.64 | 31.75 | |||||
| 3-Way / 1-On Pressure | |||||||||||||||||
Figure 4 |
1/4 | NPT-F | 15,000 psi | SS-NVNF4-14-15K | 0.250 | 2.00 | 1.00 | 2.44 | 1.19 | - | - | 0.38 | 1.24 | 3.00 | 5.28 | 0.25 | 1.00 |
| 6.350 | 50.80 | 25.40 | 61.98 | 30.23 | - | - | 9.65 | 31.50 | 76.20 | 134.11 | 6.35 | 25.40 | |||||
| 3/8 | SS-NVNF6-14-15K | 0.312 | 2.50 | 1.25 | 3.38 | 1.75 | - | - | 0.50 | 1.38 | 4.00 | 5.96 | 0.34 | 1.00 | |||
| 7.925 | 63.50 | 31.75 | 85.85 | 44.45 | - | - | 12.70 | 35.05 | 101.60 | 151.38 | 8.64 | 25.40 | |||||
| 1/2 | SS-NVNF8-14-15K | 0.312 | 2.50 | 1.25 | 3.38 | 1.75 | - | - | 0.50 | 1.38 | 4.00 | 5.96 | 0.34 | 1.25 | |||
| 7.925 | 63.50 | 31.75 | 85.85 | 44.45 | - | - | 12.70 | 35.05 | 101.60 | 151.38 | 8.64 | 31.75 | |||||
| 3-Way / 2-Stem Manifold | |||||||||||||||||
 Figure 5 |
1/4 | NPT-F | 15,000 psi | SS-NVNF4-15-15K | 0.250 | 2.00 | 1.00 | 3.38 | 1.69 | 1.19 | 1.19 | 0.38 | 1.24 | 3.00 | 9.06 | 0.25 | 1.00 |
| 6.350 | 50.80 | 25.40 | 85.85 | 42.93 | 30.23 | 30.23 | 9.65 | 31.50 | 76.20 | 230.12 | 6.35 | 25.40 | |||||
| 3/8 | SS-NVNF6-15-15K | 0.312 | 2.50 | 1.25 | 5.12 | 2.56 | 1.75 | 1.75 | 0.50 | 1.38 | 4.00 | 10.28 | 0.34 | 1.00 | |||
| 7.925 | 63.50 | 31.75 | 130.05 | 65.02 | 44.45 | 44.45 | 12.70 | 35.05 | 101.60 | 261.11 | 8.64 | 25.40 | |||||
| 1/2 | SS-NVNF8-15-15K | 0.312 | 2.50 | 1.25 | 5.12 | 2.56 | 1.75 | 1.75 | 0.50 | 1.38 | 4.00 | 10.28 | 0.34 | 1.25 | |||
| 7.925 | 63.50 | 31.75 | 130.05 | 65.02 | 44.45 | 44.45 | 12.70 | 35.05 | 101.60 | 261.11 | 8.64 | 31.75 | |||||
| 2-Way Angle / Replaceable Seat | |||||||||||||||||
 Figure 6 |
1/4 | NPT-F | 15,000 psi | SS-NVNF4-16-15K | 0.250 | 2.00 | 1.00 | 3.30 | - | 1.19 | - | 0.38 | 1.24 | 3.00 | 6.19 | 0.25 | 1.00 |
| 6.350 | 50.80 | 25.40 | 83.82 | - | 30.23 | - | 9.65 | 31.50 | 76.20 | 157.23 | 6.35 | 25.40 | |||||
| 3/8 | SS-NVNF6-16-15K | 0.312 | 2.50 | 1.25 | 4.51 | - | 1.75 | - | 0.50 | 1.38 | 4.00 | 7.09 | 0.34 | 1.00 | |||
| 7.925 | 63.50 | 31.75 | 114.55 | - | 44.45 | - | 12.70 | 35.05 | 101.60 | 180.09 | 8.64 | 25.40 | |||||
| 1/2 | SS-NVNF8-16-15K | 0.312 | 2.50 | 1.25 | 4.62 | - | 1.75 | - | 0.50 | 1.38 | 4.00 | 7.20 | 0.34 | 1.50 | |||
| 7.925 | 63.50 | 31.75 | 117.35 | - | 44.45 | - | 12.70 | 35.05 | 101.60 | 182.88 | 8.64 | 38.10 | |||||
| Dimensions, in inches (millimeters), are for reference only and are subject to change. | |||||||||||||||||