NV4 Series Needle Valves

Features

Maximum operating pressure: 6000 psi ( 413 bar ) ( For pressure limitations under high temperature conditions, refer to pressure-temperature table )

Operating temperature: -65℉ ~ 200℉ ( -53℃ ~ 93℃ ), with PCTFE packing -65℉ ~ 600℉ ( -53℃ ~ 315℃ ), with PEEK packing

Nominal diameter: 3.5 mm, 6.5 mm

Panel mounting available

Straight pattern is standard, angle pattern is also available

Connections: 1/4" NPT, 3/8" NPT and 1/2" NPT

Cleaned and degreased for oxygen service according to CGA G-4.1 and ASTM G93 Class C, respectively

Every valve is factory tested for leakage with Nitrogen at 6000 psi

N type stem is available for moderate flow control

Temperature Pressure Curve

Dimensions

Ordering Information

Cv	Model	Orifice	Inlet Connection Type	Outlet Connection Type	A	B1	B2	B3	C	D	E	F	H	Panel Mounting Hole Diameter
0.23	SS-NV42-TF4-K SS-NV42-NT4-K SS-NV42-FNT4-K SS-NV42-NT4-FNT4-K SS-NV42-NT6-K	0.14 in. 0.14 in. 0.14 in. 0.14 in. 0.14 in.	1/4"GENLOK 1/4"Male NPT 1/4"Female NPT 1/4"Male NPT 3/8"Male NPT	1/4"GENLOK 1/4"Male NPT 1/4"Female NPT 1/4"Female NPT 3/8"Male NPT	1.95 in. 2.24 in. 2.24 in. 2.24 in. 2.32 in.	0.98 in. 1.12 in. 1.12 in. 1.12 in. 1.16 in.	- - - - -	- - - - -	- - - - -	0.53 in. 0.53 in. 0.53 in. 0.53 in. 0.53 in.	0.59 in. 0.59 in. 0.59 in. 0.59 in. 0.59 in.	2.50 in. 2.50 in. 2.50 in. 2.50 in. 2.50 in.	2.44 in. 2.44 in. 2.44 in. 2.44 in. 2.44 in.	0.79 in. 0.79 in. 0.79 in. 0.79 in. 0.79 in.
0.73	SS-NV43-FNT6-K SS-NV43-NT6-FNT6-K SS-NV43-NT8-K SS-NV43-FNT8-K SS-NV43-NT8-FNT8-K SS-NV43-NT8-FNT8-K-A	0.26 in. 0.26 in. 0.26 in. 0.26 in. 0.26 in. 0.26 in.	3/8"Female NPT 3/8"Male NPT 1/2"Male NPT 1/2"Female NPT 1/2"Male NPT 1/2"Male NPT	3/8"Female NPT 3/8"Female NPT 1/2"Male NPT 1/2"Female NPT 1/2"Female NPT 1/2"Female NPT	2.32 in. 2.32 in. 2.80 in. 2.80 in. 2.80 in. -	1.16 in. 1.16 in. 1.40 in. 1.40 in. 1.40 in. -	- - - - - 1.40 in.	- - - - - 1.40 in.	- - - - - 1.97 in.	0.59 in. 0.59 in. 0.59 in. 0.59 in. 0.59 in. 0.59 in.	0.59 in. 0.59 in. 0.59 in. 0.59 in. 0.59 in. 0.59 in.	2.50 in. 2.50 in. 2.50 in. 2.50 in. 2.50 in. 2.50 in.	2.44 in. 2.44 in. 2.44 in. 2.44 in. 2.44 in. 2.44 in.	0.79 in. 0.79 in. 0.79 in. 0.79 in. 0.79 in. 0.79 in.