• SCV® 1.5" NPT Alloy 20 Threaded In-Line Check Valve - Image 1
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SCV® 1.5" NPT Alloy 20 Threaded In-Line Check Valve

SCV® 1.5" NPT Alloy 20 Threaded In-Line Check Valve

INL-9d2b8e

Rugged SCV® Alloy 20 Check Valve for superior flow control in demanding applications.

$399.99
$399.99
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SCV® 1.5" NPT Alloy 20 Threaded In-Line Check Valve

SCV® 1.5" NPT Alloy 20 Threaded In-Line Check Valve

$399.99

Quantity: 1

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SCV® 1.5" NPT Alloy 20 Threaded In-Line Check Valve

SCV® 1.5" NPT Alloy 20 Threaded In-Line Check Valve

$399.99

Quantity: 1

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The SCV® 1.5" NPT Alloy 20 Threaded In-Line Check Valve is a corrosion-resistant, spring-assisted check valve designed for liquid, gas, or steam applications. With a working steam pressure of 500 psig and a temperature rating from 37 to 470°F, this valve ensures tight shut-off and protection against water hammer. Constructed with Alloy 20 materials and Hastelloy C spring, it offers a durable solution for various industrial uses. Featuring a crack pressure of 0.24 psig, it meets ASME Class 300 standards and complies with ANSI, MSS, and ASTM requirements.

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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 | B16.34
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® (470ºF max.)
Materials Of Construction Disc
Alloy 20
Materials Of Construction Seat
A351 CN7M
Materials Of Construction Spring
Hastelloy C276
Old Npt Old Part
8373A20
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
3.44 in | 87 mm
Specifications Cold Working Pressure
750 psig | 51.7 barg
Specifications Cracking Pressure Cp
0.24 psig | 0.017 bar
Specifications Cv
54
Specifications Dimension A
4.75 in | 121 mm
Specifications Dimension B
3.44 in | 87 mm
Specifications Ends
NPT (Threaded)
Specifications Series
SCV®
Specifications Size
1.50 in | DN 40
Specifications Temperature Rating
37 to 470 ºF | 3 to 243 ºC
Specifications Trim
Hastelloy C
Specifications Valve Type
Check Valve
Specifications Weight
4.7 lb | 2.1 kg
Specifications Working Steam Pressure
500 psig
Valve Selection Chart Asme Cwp
500 | 750