Find My Check Valve
The SCV-R® is an in-line spring-assisted check valve designed for applications requiring "higher cracking pressures" than the DFT Model SCV® check valve. The SCV-R® is a self-contained check valve that installs directly in a pipeline and contains all of the proven features of the SCV® check valve.
Unit of Measure
Items
SCV-R® In-Line Restrictor Check Valves

750 CWP 1/2" NPT 316 SS 9.2 psig SCV-R® In-Line Restrictor Check Valve

SCV-R® In-Line Restrictor Check Valves

750 CWP 1/2" NPT 316 SS 10.7 psig SCV-R® In-Line Restrictor Check Valve

SCV-R® In-Line Restrictor Check Valves

750 CWP 1/2" NPT 316 SS 6.5 psig SCV-R® In-Line Restrictor Check Valve

SCV-R® In-Line Restrictor Check Valves

750 CWP 1/2" NPT 316 SS 7.7 psig SCV-R® In-Line Restrictor Check Valve

SCV-R® In-Line Restrictor Check Valves

750 CWP 1/2" NPT 316 SS 12.3 psig SCV-R® In-Line Restrictor Check Valve
OLD PART # N/A 8317-RC092 N/A 8317-RC107 N/A 8317-RC065 N/A 8317-RC077 N/A 8317-RC123
Series N/A SCV-R®
Size N/A 0.50 inDN 15
Cold Working Pressure N/A 0 to 750 psig0 to 51.7 barg
Dimension A N/A 2.68 in68 mm
B (Dia.) N/A 1.62 in41 mm
Weight N/A 1.1 lb0.5 kg
Cracking Pressure CP N/A 0.634 bar9.2 psig N/A 0.738 bar10.7 psig N/A 0.448 bar6.5 psig N/A 0.531 bar7.7 psig N/A 0.848 bar12.3 psig
Cracking Pressure CP Tolerance N/A ±10%
Temperature Rating
N/A 37 to 470 ºF3 to 243 ºC
Body1 N/A A351 CF8M
Seat2 N/A A351 CF8M
Disc N/A 316 SS
Spring N/A Inconel® X-750
Spring Retainer Assembly N/A 316 SS
"O" Ring N/A Zelon (470°F max.)
ENDS N/A NPT
ANSI N/A B1.1 B1.20.1 B16.25 B16.34
MSS N/A SP-126 SP-25 SP-61
ASTM N/A A351GR CF8M
Cv N/A 6
Available Soft Seat Materials N/A TFE®-Viton® (-40 to 400°F) Viton® (-40 to 400°F) Zelon® (37 to 470°F)
Applications N/A Autoclaves Boiler Feed & Discharge Chemical Lines Compressor Discharge Condensate Lines Cookers Cooling Towers Crude & Refined Product Lines Cryogenics Digester Evaporators Fly Ash System Generator Inlet & Discharge Hydraulic Lines Metering Pumps Mine Dewatering Nitrogen Purge Process Lines Pump Discharge Refrigeration Steam Lines Vacuum Breaker Water Lines Water Treatment
Body Material N/A Alloy 20
  • 1 A351 CF8M is the casting equivalent of 316 SS.
  • 2 Soft seats are available for bubble tight shutoff. Body seal and soft seat material are the same unless otherwise requested.