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
Materials
Standard – 316 stainless steel
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)

A B C
NPT Ball Seat

Figure 1

1/4NPT-F15,000 psiSS-CVNF4-BS0.1883.202.501.00
4.77581.2863.5025.40
3/8SS-CVNF6-BS0.219 3.56 2.66 1.13
5.56390.4267.5628.70
1/2SS-CVNF8-BS0.359 4.63 3.50 1.38
9.119117.6088.9035.05
3/410,000 psiSS-CVNF12-BS0.516 5.63 4.38 1.75
13.106143.00111.2544.45
1SS-CVNF16-BS0.688 7.00 5.25 2.13
17.475177.80133.3554.10
NPT Soft Seat

Figure 1

1/4NPT-F15,000 psiSS-CVNF4-SS0.1883.202.501.00
4.77581.2863.5025.40
3/8SS-CVNF6-SS0.219 3.56 2.66 1.13
5.56390.4267.5628.70
1/2SS-CVNF8-SS0.359 4.63 3.50 1.38
9.119117.6088.9035.05
3/410,000 psiSS-CVNF12-SS0.516 5.63 4.38 1.75
13.106143.00111.2544.45
1SS-CVNF16-SS0.688 7.00 5.25 2.13
17.475177.80133.3554.10
Dimensions, in inches (millimeters), are for reference only and are subject to change.