Alloy 20 SCV® Threaded In-Line Check Valve - 1" NPT
Alloy 20 SCV® Threaded In-Line Check Valve - 1" NPT
SKU:INL-1c9ff0
Corrosion-resistant Alloy 20 SCV® Threaded In-Line Check Valve for tight shut-off and long-term reliability.
Regular price
$249.99
Regular price
Sale price
$249.99
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per
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The Alloy 20 SCV® Threaded In-Line Check Valve is a corrosion-resistant, versatile, and durable valve suitable for various applications. With a working pressure of 750 psig, this valve ensures tight shut-off, protecting equipment from water hammer. Constructed with stainless steel and featuring a Hastelloy C spring, it offers long-term reliability. The valve meets ANSI, MSS, and ASTM standards, making it ideal for applications such as boiler feeds, cooling towers, 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
Seal Weld (-425 to 700ºF) | 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 CN7M
Materials Of Construction Body Material
Alloy 20
Materials Of Construction Body Seal
Zelon® (470 ºF max.)
Materials Of Construction Disc
Alloy 20
Materials Of Construction Seat
A351 CN7M
Materials Of Construction Spring
Hastelloy C276
Old Npt Old Part
8369A20
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
2.54 in | 65 mm
Specifications Cold Working Pressure
750 psig | 51.7 barg
Specifications Cracking Pressure Cp
0.36 psig | 0.025 bar
Specifications Cv
22
Specifications Dimension A
3.32 in | 84 mm
Specifications Dimension B
2.54 in | 65 mm
Specifications Ends
NPT (Threaded)
Specifications Other
API PED
Specifications Series
SCV®
Specifications Size
1.00 in | DN 25
Specifications Temperature Rating
37 to 470 ºF | 2.78 to 243.33 ºC
Specifications Trim
Hastelloy C
Specifications Valve Type
Check Valve
Specifications Weight
1.9 lb | 0.9 kg
Specifications Working Steam Pressure
395 psig
Valve Selection Chart Asme Cwp
300 | 750