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774-DNRS 12

Part of the 774 Series

Ordering Code: 0439306

UPC: 098268344868

Lead Free: YES

12 In Ss Double Check Valve Assembly, Domestic Nrs Shutoff, Short Lay Length

This 12 inch lead free double check valve assembly is designed to prevent the reverse flow of water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal under continuous pressure service and protection at cross-connections identified as non-health hazards and from other non toxic contaminants found at the service line entrance. This compact modular design with a single access sleeve for easy maintenance is approved for horizontal or vertical installation in accordance with the direction of the flow arrow on the assembly. It consists of a stainless steel housing and sleeve, tri-link check valves, domestic non-rising stem resilient seated gate valves, and test cocks.

Product Features

  • No special tools required for servicing
  • Non-health hazard application
  • Domestic non-rising stem gate valves
  • Stainless steel body
Specifications
Backflow Preventer Type Double Check Valve Assembly
Body Finish Stainless Steel
Body Material Stainless Steel
Body Pattern Does Not Apply To Product
BrandName Watts
Bypass No
Bypass Size Does Not Apply To Product
Cap And Tether No
Disc Material Does Not Apply To Product
Elbow Fitting No
Hazard Protection Level Non Health Hazard
Hot And Harsh Water No
Hydrant Connection No
Inlet Connection Size 12 IN
Inlet Connection Type Flanged Joint
Inlet Shutoff Valve Type Non Rising Stem Gate Valve
Inlet Thread Type Does Not Apply To Product
LeadFree YES
Maximum Temperature-Fahrenheit 110
Maximum Working Pressure-BAR 12.10
Maximum Working Pressure-PSI 175
Meter Type No Meter
Minimum Temperature-Fahrenheit 33
ModelNumber 774-DNRS 12
Outlet Connection Size 12 IN
Outlet Connection Type Flanged Joint
Outlet Shutoff Valve Type Non Rising Stem Gate Valve
Outlet Thread Type Does Not Apply To Product
Part Number 0439306
Polymer Coating No
Pressure Operation Continuous
Protection Type Backpressure and Backsiphonage
Series 774
Strainer No

Product Accessories