• Alloy 20 SCV® Threaded In-Line Check Valve - 3" NPT - Image 1
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Alloy 20 SCV® Threaded In-Line Check Valve - 3" NPT

Alloy 20 SCV® Threaded In-Line Check Valve - 3" NPT

INL-da65de

Dependable Alloy 20 SCV® In-Line Check Valve for tight shut-off in various applications. Stainless steel construction, API PED compliant, ideal for institutional use.

$499.99
$499.99
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Alloy 20 SCV® Threaded In-Line Check Valve - 3" NPT

Alloy 20 SCV® Threaded In-Line Check Valve - 3" NPT

$499.99

Quantity: 1

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Alloy 20 SCV® Threaded In-Line Check Valve - 3" NPT

Alloy 20 SCV® Threaded In-Line Check Valve - 3" NPT

$499.99

Quantity: 1

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The Alloy 20 SCV® Threaded In-Line Check Valve is a highly corrosion resistant and dependable valve suitable for various applications. With a working steam pressure of 395 psig and a temperature rating from 37 to 470°F, this valve provides tight shut-off to prevent water hammer. Its stainless steel construction, Hastelloy C spring, and API PED compliance ensure durability and reliable performance. The valve features horizontal or vertical installation options, body guided disc, and lapped disc & seat for tight shut-off. Easy maintenance and versatile applications make it a top choice for institutional and industrial use.

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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
8311A20
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
6.19 in | 157 mm
Specifications Cold Working Pressure
750 psig | 51.7 barg
Specifications Cracking Pressure Cp
0.2 psig | 0.014 bar
Specifications Cv
180
Specifications Dimension A
6.75 in | 171 mm
Specifications Dimension B
6.19 in | 157 mm
Specifications Ends
NPT (Threaded)
Specifications Other
API PED
Specifications Series
SCV®
Specifications Size
3.00 in | DN 80
Specifications Temperature Rating
37 to 470 ºF | 2.78 to 243.33 ºC
Specifications Trim
Hastelloy C
Specifications Valve Type
Check Valve
Specifications Weight
18.8 lb | 8.5 kg
Specifications Working Steam Pressure
395 psig
Valve Selection Chart Asme Cwp
300 | 750