SCV 1.25" NPT 316 SS Threaded In-Line Check Valve
SCV 1.25" NPT 316 SS Threaded In-Line Check Valve
SKU:INL-367c2b
DFT SCV 1.25" NPT 316 SS Check Valve: Reliable, corrosion-resistant, and compliant with ANSI, MSS, ASTM standards.
Regular price
$189.99
Regular price
Sale price
$189.99
Unit price
per
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The SCV 1.25" NPT 316 SS Threaded In-Line Check Valve by DFT is a reliable and corrosion-resistant check valve designed for various applications. With a Cold Working Pressure of 750 psig and a working temperature range of -40 to 400 °F, this valve ensures tight shut-off, protecting the system from water hammer. Constructed from high-quality 316 Stainless Steel, it offers durability and long service life. The valve features a lapped disc and seat for tight shut-off, a spring-assisted silent closing mechanism, and meets ANSI, MSS, and ASTM standards, making it ideal for autoclaves, chemical lines, compressor discharge, and more.

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
Available Soft Seat Materials Available Soft Seat Materials
Buna-N (-70 to 250ºF) | EPDM (-75 to 300ºF) | TFE®-Viton® (-40 to 400ºF) | Viton® (-40 to 400ºF) | Zelon® (37 to 470ºF)
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
SP-126 | SP-25 | SP-61
Features 0
1/2" to 3" Line size750 & 3600 CWPNPT & SW endsStainless Steel ConstructionInconel® X-750 springSpring-assisted silent closing, non-slamZelon® body "O" ring body sealHorizontal or vertical installationBody guided discTight shut-off - lapped disc & seatSimplified construction - 5 partsEasy maintenanceVersatile
Materials Of Construction Body
A351 CF8M
Materials Of Construction Body Material
316 Stainless Steel
Materials Of Construction Body Seal
TFE®-Viton®
Materials Of Construction Disc
316 SS
Materials Of Construction Seat
A351 CF8M/TFE®-Viton®
Materials Of Construction Spring
Inconel® X-750
Old Npt Old Part
8371-98
Options 0
316 SS SpringsBody seal weld (700°F Maximum)Soft seatAlloy 20 body & seat (ASME 300)Hastelloy C body & seat (ASME 300)Socket weld endsSCV-R restrictor check (higher cracking pressure)Butt weld endsNACELight cracking pressure springs
Specifications Asme Class
300
Specifications B Dia
3.06 in | 78 mm
Specifications Cold Working Pressure
750 psig | 51.7 barg
Specifications Cracking Pressure Cp
0.28 psig | 0.019 bar
Specifications Cv
39
Specifications Dimension A
3.85 in | 97.8 mm
Specifications Dimension B
3.06 in | 78 mm
Specifications Ends
NPT (Threaded)
Specifications Other
API PED
Specifications Repair Kit Available
8371-RK, Repair Kits
Specifications Series
SCV®
Specifications Size
1.25 in | DN 32
Specifications Temperature Rating
-40 to 400 ºF | -40 to 204.44 ºC
Specifications Trim
316 SS
Specifications Valve Type
Check Valve
Specifications Weight
3.9 lb | 1.8 kg
Specifications Working Steam Pressure
535 psig
Valve Selection Chart Asme Cwp
300 | 750