This 6″ double check detector assembly prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body, thermoplastic and stainless steel check valves, and low head loss. It has outside stem and yoke shutoff and a gallons per minute meter. It can be installed in a horizontal or vertical flow-up position. It is designed for installation on applications identified by local authorities as non-health hazard, such as on fire protection systems. The maximum working pressure is 175 PSI (12.06 BAR).
Watts 0438013 Features:
Stainless steel for corrosion resistance
Designed for minimum head loss
150 pound ANSI/AWWA CL D flanged
Outside screw and yoke shutoffs
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Specifications
| Material | Metal |
| Approved for Commercial Use | Yes |
| Lead Leaching Certified NSF/ANSI 61 | N/A (Regulation does not apply) |
| Water Connection | 6" |
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