Disc check valve DSV®

for the chemical industryfor pharmaceutical applicationsfor the food industry

The DSV® is an in-line spring-assisted check valve designed to prevent flow reversal in industries with strict cleanliness codes. To accommodate various piping arrangements, the DSV® is available as a "Vertical" or "Horizontal" valve. The Horizontal valve is for Horizontal lines requiring a self-draining valve. The "Vertical" design is for "Vertical" installations and "Horizontal" lines when a self-draining valve is not required. The DSV®, with a 316L stainless steel body and seat, is fastened with a quick release clamp and elastomeric body seal to permit fast and easy access to the internals. The disc and seat are lapped to provide excellent shutoff. The DFT® sanitary check valves meet 3-A Standard 58-02 and certified Clean in Place. Applications include pharmaceutical, chemical, beverage/beer, food, dairy industries and others. Standard Features: Meets 3A Sanitary Standard 58-02 150 CWP, 108 ANSI Pressure Class 316L Body and Seat (A351 CF3M) 316 Disc, Spring and Guide Assembly 32 Ra Internal Surface Finish (#4 Ground Finish) Options: 15 Ra Internal Finish CIP (Clean in Place) Clamped Ends Seat Leakage per MSS SP-61 Lapped "metal" Seat and Disc Springs: Low Cracking Pressures 0.16 psig to 0.66 psig Conical Design Electropolished Finish Standard Gasket Body Seal: EPDM (300ºF Max Temperature) Spring-Assisted Silent Closing Horizontal or Vertical Installation