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

1/4NPT-F15,000 psiSS-NVNF4-15K0.2502.001.002.001.631.19 -0.381.243.004.840.251.00
6.35050.8025.4050.8041.4030.23-9.6531.5076.20122.946.3525.40
3/8SS-NVNF6-15K0.312 2.50 1.25 2.88 2.38 1.75 - 0.50 1.38 4.00 5.46 0.34 1.00
7.92563.5031.7573.1560.4544.45-12.7035.05101.60138.688.6425.40
1/2SS-NVNF8-15K0.312 2.50 1.25 3.00 2.38 1.75 - 0.50 1.38 4.00 5.58 0.34 1.25
7.92563.5031.7576.2060.4544.45-12.7035.05101.60141.738.6431.75
3/410,000 psiSS-NVNF12-10K0.438 3.00 1.50 3.75 3.00 2.25 - 0.62 1.75 8.07 7.07 0.44 1.38
11.12576.2038.1095.2576.2057.15-15.7544.45204.98179.5811.1835.05
1SS-NVNF16-10K0.562 4.12 2.06 4.75 3.75 2.82 - 1.12 2.50 10.29 8.96 0.56 1.75
14.275104.6552.32120.6595.2571.63-28.4563.50261.37227.5814.2244.45
2-Way Angle

Figure 2

1/4NPT-F15,000 psiSS-NVNF4-12-15K0.2502.001.002.44 1.19-0.381.243.005.280.251.00
6.35050.8025.4061.98 30.23-9.6531.5076.20134.116.3525.40
3/8SS-NVNF6-12-15K0.312 2.50 1.25 3.38 1.75 - 0.50 1.38 4.00 5.96 0.34 1.00
7.92563.5031.7585.85 44.45-12.7035.05101.60151.388.6425.40
1/2SS-NVNF8-12-15K0.312 2.50 1.25 3.38 1.75 - 0.50 1.38 4.00 5.96 0.34 1.25
7.92563.5031.7585.85 44.45-12.7035.05101.60151.388.6431.75
3/410,000 psiSS-NVNF12-12-10K0.438 3.00 1.50 4.25 2.25 - 0.62 1.75 8.07 7.57 0.44 1.38
11.12576.2038.10107.95 57.15-15.7544.45204.98192.2811.1835.05
1SS-NVNF16-12-10K0.562 4.12 2.06 5.13 2.82 - 1.12 2.50 10.29 8.96 0.56 1.75
14.275104.6552.32130.30 71.63-28.4563.50261.37227.5814.2244.45
3-Way / 2-On Pressure

Figure 3

1/4NPT-F15,000 psiSS-NVNF4-13-15K0.2502.001.002.621.631.19-0.381.243.005.460.251.00
6.35050.8025.4066.5541.4030.23-9.6531.5076.20138.686.3525.40
3/8SS-NVNF6-13-15K0.312 2.50 1.25 3.62 2.38 1.75 - 0.50 1.38 4.00 6.20 0.34 1.00
7.92563.5031.7591.9560.4544.45-12.7035.05101.60157.488.6425.40
1/2SS-NVNF8-13-15K0.312 2.50 1.25 3.62 2.38 1.75 - 0.50 1.38 4.00 6.20 0.34 1.25
7.92563.5031.7591.9560.4544.45-12.7035.05101.60157.488.6431.75
3-Way / 1-On Pressure

Figure 4

1/4NPT-F15,000 psiSS-NVNF4-14-15K0.2502.001.002.441.19--0.381.243.005.280.251.00
6.35050.8025.4061.9830.23--9.6531.5076.20134.116.3525.40
3/8SS-NVNF6-14-15K0.312 2.50 1.25 3.38 1.75 - - 0.50 1.38 4.00 5.96 0.34 1.00
7.92563.5031.7585.8544.45--12.7035.05101.60151.388.6425.40
1/2SS-NVNF8-14-15K0.312 2.50 1.25 3.38 1.75 - - 0.50 1.38 4.00 5.96 0.34 1.25
7.92563.5031.7585.8544.45--12.7035.05101.60151.388.6431.75
3-Way / 2-Stem Manifold

Figure 5

1/4NPT-F15,000 psiSS-NVNF4-15-15K0.2502.001.003.381.691.191.190.381.243.009.060.251.00
6.35050.8025.4085.8542.9330.2330.239.6531.5076.20230.126.3525.40
3/8SS-NVNF6-15-15K0.312 2.50 1.25 5.12 2.56 1.75 1.75 0.50 1.38 4.00 10.28 0.34 1.00
7.92563.5031.75130.0565.0244.4544.4512.7035.05101.60261.118.6425.40
1/2SS-NVNF8-15-15K0.312 2.50 1.25 5.12 2.56 1.75 1.75 0.50 1.38 4.00 10.28 0.34 1.25
7.92563.5031.75130.0565.0244.4544.4512.7035.05101.60261.118.6431.75
2-Way Angle / Replaceable Seat

Figure 6

1/4NPT-F15,000 psiSS-NVNF4-16-15K0.2502.001.003.30-1.19-0.381.243.006.190.251.00
6.35050.8025.4083.82-30.23-9.6531.5076.20157.236.3525.40
3/8SS-NVNF6-16-15K0.312 2.50 1.25 4.51 - 1.75 - 0.50 1.38 4.00 7.09 0.34 1.00
7.92563.5031.75114.55-44.45-12.7035.05101.60180.098.6425.40
1/2SS-NVNF8-16-15K0.312 2.50 1.25 4.62 - 1.75 - 0.50 1.38 4.00 7.20 0.34 1.50
7.92563.5031.75117.35-44.45-12.7035.05101.60182.888.6438.10
Dimensions, in inches (millimeters), are for reference only and are subject to change.