Derex, Inc.

DFT: Check Valves:

DLC® Flanged Check Valve


DFT DLC Flanged Check Valve
  • The DFT® Model DLC® is a corrosion resistant, dependable, versatile and economical spring assisted, in-line check valve for a wide range of applications.
  • For liquid, gas or steam.
  • The DLC® provides tight shut-off and protects other equipment in the system from water hammer.
  • Stainless steel construction insures a long service life.
  • Inconel® X-750 spring is standard.

Documentation:
Product Specifications
(139KB PDF)

DFT Valve
DFT Certification
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The DFT® Model DLC Check Valve is a corrosion-resistant, dependable, versatile and economical spring assisted, non-slam check valve for a wide range of applications.
Whether the fluid is liquid, gas or steam, the DLC check valve provides tight shutoff and protects other equipment in the system from water hammer. Its stainless steel construction insures a long service life.
Materials of Construction:
BodyA351 CF8M
SeatA351 CF8M
Disc316 SS
SpringInconel® X-750
Pressure Temperature Rating (PSIG)
A351 CF8MAlloy 20 (CN7M)Hastelloy® C
(CW-12MW)
Temp. (°F)ASME 150ASME 300Temp. (°F)ASME 150ASME 300ASME 150ASME 300
-460275720-325230600230600
100275720100230600230600
200235620200200520210550
300215560300180465200520
400195515400160420190490
500170480500150390170465
600140450600140360140440
700110435700110420
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