316 SS In-Line Restrictor Check Valve (750 psig, 1/2" NPT, SCV-R Series)
316 SS In-Line Restrictor Check Valve (750 psig, 1/2" NPT, SCV-R Series)
SKU:INL-3f1031
Premium 316 SS In-Line Check Valve with 2.9 psig cracking pressure, ideal for high-demand applications.
Regular price
$299.99
Regular price
Sale price
$299.99
Unit price
per
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The 316 SS In-Line Restrictor Check Valve from the SCV-R Series is a high-performance solution for applications requiring precision and reliability. With a cracking pressure of 2.9 psig, stainless steel construction, Inconel® X-750 Spring, and Zelon® O-ring body seal, this valve ensures secure, silent closing without slamming. Its horizontal or vertical installation, lapped disc & seat for tight shutoff, and easy maintenance make it ideal for various industries. Compliant with ASTM A351GR CF8M, ANSI, MSS, this valve offers unmatched quality and durability.

Product Specifications
Application 0
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
Codes And Standards Ansi
B1.1 | B1.20.1 | B16.11 | B16.25 | B16.34
Codes And Standards Astm
A351GR CF8M
Codes And Standards Mss
SP126 | SP-25 | SP61
Features 0
1/2" to 2" Line size750 CWPNPT & SW endsStainless Steel ConstructionInconel® X-750 springSpring-assisted silent closing, non-slamCracking Pressures: 0.8 to 40.8 psigZelon® body "O" ringHorizontal or vertical installationBody guided discTight shut-off - lapped disc & seatSimplified construction - 5 partsEasy maintenanceVersatileInconel® X-750 spring is standard
Materials Of Construction Body
A351 CF8M
Materials Of Construction Body Material
316 Stainless Steel
Materials Of Construction Disc
316 SS
Materials Of Construction O Ring
Zelon (470°F max.)
Materials Of Construction Seat
316 SS
Materials Of Construction Spring
Inconel® X-750
Materials Of Construction Spring Retainer Assembly
316 SS
Old Npt Old Part
8317-RC029
Options 0
316 SS SpringsBody seal weld (700°F Maximum)Soft seatAlloy 20 body & seat (ASME 300)Hastelloy C body & seat (ASME 300)NPT x socket weld endsButt weld endsRepair kitsField conversion kits
Specifications Available Soft Seat Materials
TFE®-Viton® (-40 to 400ºF) | Viton® (-40 to 400ºF) | Zelon® (37 to 470ºF)
Specifications Body Seal
Zelon® O-ring
Specifications B Dia
1.62 in | 41 mm
Specifications Cold Working Pressure
750 psig | 51.7 barg
Specifications Cracking Pressure Cp
2.9 psig | 0.2 bar
Specifications Cracking Pressure Cp Tolerance
±10%
Specifications Cv
6
Specifications Dimension A
2.68 in | 68 mm
Specifications Ends
NPT (Threaded)
Specifications Series
SCV-R®
Specifications Size
0.50 in | DN 15
Specifications Temperature Rating
37 to 470 ºF | 2.78 to 243.33 ºC
Specifications Weight
1.1 lb | 0.5 kg
Specifications Working Steam Pressure
510 psig