Products

NPT Check Valves

Specifications: MAWP up to 15,000 psi (1034 bar); Temperature ratings:
Metal Seat: -420°F to 1200°F (-251°C to 648 °C)
Soft Seat: -65°F to 250°F (-54°C to 121°C); Nominal Cracking Pressure: 15 psi (1 bar); Standard PEEK seal material; Standard NPT end connections

Features: Prevents reverse flow and potential damage to a pressure system; Metal cone ring option offers metal-to-metal seat for high temperature applications; Standard PEEK seat for optimal performance; Can be manufactured to meet NACE MR-01-75

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)
Valve Dimensions	End Connection Size (in.)	Connection Type	Pressure Rating	Part Number	Orifice (in/mm)	A	B	C
NPT Ball Seat
Figure 1	1/4	NPT-F	15,000 psi	SS-CVNF4-BS	0.188	3.20	2.50	1.00
	1/4			SS-CVNF4-BS	4.775	81.28	63.50	25.40
	3/8			SS-CVNF6-BS	0.219	3.56	2.66	1.13
	3/8			SS-CVNF6-BS	5.563	90.42	67.56	28.70
	1/2			SS-CVNF8-BS	0.359	4.63	3.50	1.38
	1/2			SS-CVNF8-BS	9.119	117.60	88.90	35.05
	3/4		10,000 psi	SS-CVNF12-BS	0.516	5.63	4.38	1.75
	3/4			SS-CVNF12-BS	13.106	143.00	111.25	44.45
	1			SS-CVNF16-BS	0.688	7.00	5.25	2.13
	1			SS-CVNF16-BS	17.475	177.80	133.35	54.10
NPT Soft Seat
Figure 1	1/4	NPT-F	15,000 psi	SS-CVNF4-SS	0.188	3.20	2.50	1.00
	1/4			SS-CVNF4-SS	4.775	81.28	63.50	25.40
	3/8			SS-CVNF6-SS	0.219	3.56	2.66	1.13
	3/8			SS-CVNF6-SS	5.563	90.42	67.56	28.70
	1/2			SS-CVNF8-SS	0.359	4.63	3.50	1.38
	1/2			SS-CVNF8-SS	9.119	117.60	88.90	35.05
	3/4		10,000 psi	SS-CVNF12-SS	0.516	5.63	4.38	1.75
	3/4			SS-CVNF12-SS	13.106	143.00	111.25	44.45
	1			SS-CVNF16-SS	0.688	7.00	5.25	2.13
	1			SS-CVNF16-SS	17.475	177.80	133.35	54.10
Dimensions, in inches (millimeters), are for reference only and are subject to change.