Watts 774-NRS Double Check Backflow Preventer
The WATTS Double Check Valve Assembly: 774 is a Watts Double Check Backflow Preventer with an 8 in pipe size and flange x flange connections. It features NRS gate valve shut-off valves and has a 52.5 in overall…
SKU 3G-OTH-434592
Also listed as: 774NRS · 774 NRS
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The WATTS Double Check Valve Assembly: 774 is a Watts Double Check Backflow Preventer with an 8 in pipe size and flange x flange connections. It features NRS gate valve shut-off valves and has a 52.5 in overall length, identified by manufacturer part number 774-NRS.
Frequently Asked Questions
What is the Watts 774 double check valve assembly used for?
The Watts 774 double check valve assembly is used to prevent backflow of non-potable water into potable water supplies in commercial and industrial plumbing systems. It is commonly installed in irrigation, fire sprinkler, and process water lines where low-hazard cross-connections exist.
What are the specifications of the Watts 774 double check valve assembly?
The Watts 774 double check valve assembly has an 8 in pipe size with flange x flange connections. It includes NRS gate valve shut-off valves and has an overall length of 52.5 in. The manufacturer part number is 774-NRS. It is a Watts brand backflow preventer designed for low-hazard applications.
Where to buy the Watts 774 double check valve assembly worldwide?
3G Electric supplies the Watts 774 double check valve assembly worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this Watts backflow preventer to any country.
How to install a Watts 774 double check valve assembly?
Install the Watts 774 double check valve assembly in a horizontal position with adequate clearance for maintenance. Ensure flow direction matches the arrow on the body. Use flange gaskets and bolts per pipe pressure rating. After installation, test the check valves and shut-off valves per local plumbing codes.
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3G Electric supplies Watts watts double check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
