774
Double Check Valve Assembly Backflow Preventers, Stainless Steel
Features
- Torsion spring check valve provides low head loss
- Stainless steel construction provides strength, resists corrosion, and weighs less
- Single cover, top-entry design allows for convenient access for maintenance
- Thermoplastic and stainless steel check valves provide trouble-free operation
Series 774 Double Check Valve Assemblies prevent the backflow of polluted water from entering into the potable water supply. They have a compact construction and short lay length, ideal for retrofit installations. They feature a lightweight stainless steel body and low head loss. Series 774 is ideal in applications identified by local authorities as non-health hazard. Maximum Working Pressure: 175psi (12.06 bar).
Literature
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Select options below to identify the UPC, Order Code, and Repair Kit for a specific 774
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| Model | Product Used On | Kit Contents |
|---|---|---|
|
RK 774/774DCDA-C 8-12
Cover Kit |
</br> |
Cover, Grooved Coupler, Gasket</br> |
|
RK 774/774DCDA-CK4
Second Check Kit |
</br> |
Complete Cam Check, Check O-ring</br> |
|
RK 774/774DCDA-C 2 1/2-4
Cover Kit |
</br> |
Cover, Grooved Coupler, Gasket</br> |
|
RK 774/774DCDA-CK1 2 1/2-4
First Check Kit |
</br> |
Complete #1 Cam Check, Check O-ring</br> |
|
RK 774/774DCDA-CK2 2 1/2-4
Second Check Kit |
</br> |
Complete #2 Cam Check, Check O-ring</br> |
|
RK 774/774DCDA-C 6
Cover Kit |
</br> |
Cover, Grooved Coupler, Gasket</br> |
|
RK 774/774DCDA-CK1 6
First Check Kit |
</br> |
Complete #1 Cam Check, Check O-ring</br> |
|
RK 774/774DCDA-CK2 6
Second Check Kit |
</br> |
Complete #2 Cam Check, Check O-ring</br> |
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.