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8" 774 Double Check Detector Assembly w/ OSY Shutoffs, GPM Meter, Short Lay Length (774DCDA-OSY-GPM)
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Lift Gate
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This product weighs 754 lbs. and may require the use of a lift gate. If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.
Free Shipping This item ships free
Easy Returns No restocking fee for 90 days
Product Highlights
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8"
Stainless Steel
175 MAX PSI
Flanged x Flanged Connection
33°F Min Temp
110°F Max Temp
Description
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This 8 inch double check detector backflow preventer 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 a gallons per minute meter and outside stem and yoke shutoffs. 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).
Features
Features
- Stainless steel for corrosion resistance
- Designed for minimum head loss
- 150 pound ANSI/AWWA CL D flanged
- Outside screw and yoke shutoffs
Specs
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| Min Temp (F): | 33°F |
|---|---|
| Max Pressure (PSI): | 175 |
| Max Temp (F): | 110°F |
| Size: | 8" |
| Connection Type: | Flanged x Flanged |
| Application: | Plumbing |
| Outlet Type: | Flanged |
| Material: | Stainless Steel |
| Inlet Type: | Flanged |
| Product Type: | Backflow Preventer |
Questions?
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On orders over $99
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Shipping PolicyEasy Returns
Returning items is as simple as 1-2-3
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy