The DFT® Restrictor Check Valve (RCV) is a versatile, all-purpose, spring-assisted, in-line check valve for applications that require higher cracking pressures to open the check valve than those offered by other DFT® check valves. Cracking pressures are available from 2 to 40 psi. Like the Basic-Check® valve, the Restrictor Check provides reliable, low maintenance service for a wide range of fluids and gases at various pressure/temperature combinations. The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as couplings, drain elbows, etc. (not provided by DFT®) to form a complete check valve unit ideally suited for a broad range of applications. The RCV should not be considered a substitute for a Pressure Relief Valve.
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Size (in)

Size (mm)

ENDS

ASME CWP

Prod. #

Size

Line Size Inlet (FNPT) A

Outside Thread (MNPT) B

Valve Cracking Pressure

Cold Working Pressure

ENDS

N/A 0.25 inDN 8 N/A 0.25 in N/A 1.00 in N/A 0.228 bar3.3 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.25 inDN 8 N/A 0.25 in N/A 1.00 in N/A 0.365 bar5.3 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.25 inDN 8 N/A 0.25 in N/A 1.00 in N/A 0.558 bar8.1 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.25 inDN 8 N/A 0.25 in N/A 1.00 in N/A 0.752 bar10.9 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.25 inDN 8 N/A 0.25 in N/A 1.00 in N/A 1.407 bar20.4 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.375 inDN 10 N/A 0.375 in N/A 1.00 in N/A 0.228 bar3.3 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.375 inDN 10 N/A 0.375 in N/A 1.00 in N/A 0.365 bar5.3 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.375 inDN 10 N/A 0.375 in N/A 1.00 in N/A 0.558 bar8.1 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.375 inDN 10 N/A 0.375 in N/A 1.00 in N/A 0.752 bar10.9 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.375 inDN 10 N/A 0.375 in N/A 1.00 in N/A 1.407 bar20.4 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.50 inDN 15 N/A 0.50 in N/A 1.00 in N/A 0.228 bar3.3 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.50 inDN 15 N/A 0.50 in N/A 1.00 in N/A 0.365 bar5.3 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.50 inDN 15 N/A 0.50 in N/A 1.00 in N/A 0.558 bar8.1 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.50 inDN 15 N/A 0.50 in N/A 1.00 in N/A 0.752 bar10.9 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.50 inDN 15 N/A 0.50 in N/A 1.00 in N/A 1.407 bar20.4 psi N/A 0 psig2500 psig0 barg172 barg N/A NPT
N/A 0.75 inDN 20 N/A 0.75 in N/A 1.50 in N/A 0.228 bar3.3 psi N/A 0 psig2000 psig0 barg138 barg N/A NPT
N/A 0.75 inDN 20 N/A 0.75 in N/A 1.50 in N/A 0.365 bar5.3 psi N/A 0 psig2000 psig0 barg138 barg N/A NPT
N/A 0.75 inDN 20 N/A 0.75 in N/A 1.50 in N/A 0.579 bar8.4 psi N/A 0 psig2000 psig0 barg138 barg N/A NPT
N/A 0.75 inDN 20 N/A 0.75 in N/A 1.50 in N/A 1.069 bar15.5 psi N/A 0 psig2000 psig0 barg138 barg N/A NPT
N/A 1.00 inDN 25 N/A 1.00 in N/A 2.00 in N/A 0.29 bar4.2 psi N/A 0 psig1500 psig0 barg103 barg N/A NPT
N/A 1.00 inDN 25 N/A 1.00 in N/A 2.00 in N/A 0.421 bar6.1 psi N/A 0 psig1500 psig0 barg103 barg N/A NPT
N/A 1.00 inDN 25 N/A 1.00 in N/A 2.00 in N/A 0.648 bar9.4 psi N/A 0 psig1500 psig0 barg103 barg N/A NPT
N/A 1.00 inDN 25 N/A 1.00 in N/A 2.00 in N/A 0.889 bar12.9 psi N/A 0 psig1500 psig0 barg103 barg N/A NPT
N/A 1.00 inDN 25 N/A 1.00 in N/A 2.00 in N/A 1.069 bar15.5 psi N/A 0 psig1500 psig0 barg103 barg N/A NPT
N/A 1.00 inDN 25 N/A 1.00 in N/A 2.00 in N/A 2.193 bar31.8 psi N/A 0 psig1500 psig0 barg103 barg N/A NPT
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