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Prod. # 8373A20, 750 CWP/500 WSP 1 1/2″ NPT Alloy 20 SCV® Threaded In-Line Check Valve
Description
The DFT® Model SCV is a corrosion resistant, dependable, versatile and economical spring-assisted, in-line check valve for a wide range of applications. Whether the fluid is liquid, gas or steam, the SCV provides tight shut-off and protects other equipment in the system from water hammer. Its stainless steel construction insures a long service life.
750CWP is rated to 470°F.
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SCV®
DN 40
1.5 in
0 to 750 psig
0 to 51.7 barg
500 psig
4.75 in
121 mm
3.44 in
87 mm
4.7 lb
2.1 kg
54
0.24 psig
0.017 bar
NPT
37 to 470 ºF
3 to 243 ºC
A351 CN7M
Alloy 20
A351 CN7M
Alloy 20
Hastelloy C276
Zelon (470°F max.)
1 Soft seats are available for bubble-tight shutoff. Body seal and soft seat material are the same unless otherwise requested.
Seal Weld (-425 to 700°F)
TFE® -Viton (-40 to 400°F)
Zelon® (37 to 470°F)
Buna-N (-70 to 250°F)
EPDM (-75 to 300°F)
Viton (-40 to 400°F)
Hastelloy C276
SWE Available
750 CWP
3600 CWP
316 SS/316 SS – Standard
Alloy 20 – Optional
Hastelloy® C – Optional
1 NPT x SW available.
B1.1
B1.20.1
B16.34
SP-126
SP-25
SP-61
A351GR CF8M
1 Contact DFT for NACE.
- 1/2″ to 3″ Line size
- 750 & 3600 CWP
- NPT & SW ends
- Stainless Steel Construction
- Inconel® X-750 spring
- Spring-assisted silent closing, non-slam
- Zelon® body “O” ring
- Horizontal or vertical installation
- Body guided disc
- Tight shut-off – lapped disc & seat
- Simplified construction – 5 parts
- Easy maintenance
- Versatile
- 316 SS Springs
- Body seal weld (700°F Maximum)
- Soft seat
- Alloy 20 body & seat (ASME 300)
- Hastelloy C body & seat (ASME 300)
- Socket weld ends
- SCV-R restrictor check (higher cracking pressure)
- Butt weld ends
- NACE
- API 6D
- Light cracking pressure springs