The DFT® Model SCV is a corrosion-resistant, dependable, versatile and economical spring-assisted, in-line check valve for a wide range of applications. Stainless steel construction ensures a long service life. Whether the fluid is liquid, gas or steam, the SCV provides tight shut-off and protects other equipment in the system from water hammer.
Features include horizontal or vertical installation; sizes ½” thru 3″; 750 & 3600 CWP; NPT & SW ends; Inconel® X-750 spring; Zelon® “O” body ring, and more. Options include body seal weld; soft seat; alloy 20 body & seat (ASME 300); Hastelloy C body & seat (ASME 300); NPT x socket weld ends; SCV-R restrictor check (higher cracking pressure).
Image credit: DFT