The DFT® Model SCV® is a corrosion resistant, dependable, versatile and economical spring-assisted, in-line check valve for a wide range of applications. Whether the fluid is liquid, gas or steam, the SCV® provides tight shut-off and protects other equipment in the system from water hammer. Its stainless steel construction insures a long service life.
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Size (in)

Size (mm)

ENDS

ASME CWP

Cv

Prod. #

Size

Cold Working Pressure

Cracking Pressure CP

Body

Cv

N/A 0.50 inDN 15 N/A 0 to 750 psig0 to 51.7 barg N/A 0.02 bar0.29 psig N/A A351 CF8M N/A 7
N/A 0.75 inDN 20 N/A 0 to 750 psig0 to 51.7 barg N/A 0.017 bar0.24 psig N/A A351 CF8M N/A 13
N/A 1.00 inDN 25 N/A 0 to 750 psig0 to 51.7 barg N/A 0.025 bar0.36 psig N/A A351 CF8M N/A 22
N/A 1.25 inDN 32 N/A 0 to 750 psig0 to 51.7 barg N/A 0.019 bar0.28 psig N/A A351 CF8M N/A 39
N/A 1.50 inDN 40 N/A 0 to 750 psig0 to 51.7 barg N/A 0.017 bar0.24 psig N/A A351 CF8M N/A 54
N/A 2.00 inDN 50 N/A 0 to 750 psig0 to 51.7 barg N/A 0.029 bar0.42 psig N/A A351 CF8M N/A 93
N/A 3.00 inDN 80 N/A 0 to 750 psig0 to 51.7 barg N/A 0.014 bar0.20 psig N/A A351 CF8M N/A 180
N/A 0.50 inDN 15 N/A 0 to 750 psig0 to 51.7 barg N/A 0.02 bar0.29 psig N/A A351 CF8M N/A 7
N/A 0.75 inDN 20 N/A 0 to 750 psig0 to 51.7 barg N/A 0.017 bar0.24 psig N/A A351 CF8M N/A 13
N/A 1.00 inDN 25 N/A 0 to 750 psig0 to 51.7 barg N/A 0.025 bar0.36 psig N/A A351 CF8M N/A 22
N/A 1.25 inDN 32 N/A 0 to 750 psig0 to 51.7 barg N/A 0.019 bar0.28 psig N/A A351 CF8M N/A 39
N/A 1.50 inDN 40 N/A 0 to 750 psig0 to 51.7 barg N/A 0.017 bar0.24 psig N/A A351 CF8M N/A 54
N/A 2.00 inDN 50 N/A 0 to 750 psig0 to 51.7 barg N/A 0.029 bar0.42 psig N/A A351 CF8M N/A 93
N/A 3.00 inDN 80 N/A 0 to 750 psig0 to 51.7 barg N/A 0.014 bar0.20 psig N/A A351 CF8M N/A 180
N/A 0.50 inDN 15 N/A 0 to 750 psig0 to 51.7 barg N/A 0.02 bar0.29 psig N/A A351 CN7M N/A 7
N/A 0.75 inDN 20 N/A 0 to 750 psig0 to 51.7 barg N/A 0.017 bar0.24 psig N/A A351 CN7M N/A 13
N/A 1.00 inDN 25 N/A 0 to 750 psig0 to 51.7 barg N/A 0.025 bar0.36 psig N/A A351 CN7M N/A 22
N/A 1.25 inDN 32 N/A 0 to 750 psig0 to 51.7 barg N/A 0.019 bar0.28 psig N/A A351 CN7M N/A 39
N/A 1.50 inDN 40 N/A 0 to 750 psig0 to 51.7 barg N/A 0.017 bar0.24 psig N/A A351 CN7M N/A 54
N/A 2.00 inDN 50 N/A 0 to 750 psig0 to 51.7 barg N/A 0.029 bar0.42 psig N/A A351 CN7M N/A 93
N/A 3.00 inDN 80 N/A 0 to 750 psig0 to 51.7 barg N/A 0.014 bar0.20 psig N/A A351 CN7M N/A 180
N/A 0.50 inDN 15 N/A 0 to 750 psig0 to 51.7 barg N/A 0.02 bar0.29 psig N/A A494 CW-12MW N/A 7
N/A 0.75 inDN 20 N/A 0 to 750 psig0 to 51.7 barg N/A 0.017 bar0.24 psig N/A A494 CW-12MW N/A 13
N/A 1.00 inDN 25 N/A 0 to 750 psig0 to 51.7 barg N/A 0.025 bar0.36 psig N/A A494 CW-12MW N/A 22
N/A 1.25 inDN 32 N/A 0 to 750 psig0 to 51.7 barg N/A 0.019 bar0.28 psig N/A A494 CW-12MW N/A 39
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