9DSM3 Watts 1/2" Sweat Leaded Dual Check Valve With Atmospheric Vent

WAT9DSM312 MFG #: 0061952
  • Valve Size: 1/2"
  • End Connection: Soldered X Soldered
  • Manufacturer Name: Watts
  • Description
  • Documents
  • Specifications
  • Backflow Preventer
  • Type Dual Check Valve
  • Applicable Standard ASSE 1012, CSA B64, CSA
  • Valve Configuration Vertical, Horizontal
  • Nominal Size 1/2"
  • End Connection Female Soldered Union x Female Soldered Union
  • End to End Distance 4-3/8"
  • Body Material Forged Brass
  • Seat Material Rubber
  • Flow Rate 20 GPM
  • Temperature Rating 33 to 250 Deg F
  • Pressure Rating 175 PSI
  • Inclusions/Features Atmospheric Vent, Simplicity, Compact
  • Application Laboratory Equipment, Sterilizer, Dairy Equipment, Boiler
  • Drain Connection 1/2" Threaded
  • Packaging Quantity 1 per Carton
  • Warranty 1 Year Limited
True Line-Sized Construction Allows the Check Modules to Open Further Allowing Dirt and Debris to Pass More Freely Reducing Check Fouling; Maximum Flow at Low Pressure Drop; Furnished with Union Connections to Facilitate Removal and Replacement for Maintenance; Compact for Economy Combined with Performance; Design Simplicity for Easy Maintenance; It is Particularly Recommended for Boiler Feed Lines to Prevent Backflow When Supply Pressure Falls Below System Pressure; Series 9D is Suitable for Use on Hot or Cold Water and Can be Used Under Continuous Pressure; A Primary Check Valve Utilizing a Rubber Disc Seating Against a Mating Rubber Part to Ensure Tight Closing; A Secondary Check Valve Utilizes a Rubber Disc-to-Metal Seating; In the Event of Fouling of the Down- Stream Check Valve, Leakage Would be Vented to Atmosphere Through the Vent Port Thereby Safeguarding the Potable Water System; 1 Year Limited Warranty