Watts 774-NRS Double Check Valve Assembly
The Watts 774 Double Check Valve Assembly (MPN 774-NRS) is a 10-inch pipe size backflow preventer with flange x flange connections. It features NRS gate valve shut-off valves and has an overall length of 55.5 inches.
SKU 3G-OTH-434609
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 774 Double Check Valve Assembly (MPN 774-NRS) is a 10-inch pipe size backflow preventer with flange x flange connections. It features NRS gate valve shut-off valves and has an overall length of 55.5 inches.
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 piping systems. It is commonly installed in fire sprinkler lines, irrigation systems, and water mains where low-hazard cross-connections exist.
What are the specifications of the Watts 774 Double Check Valve Assembly?
The Watts 774 (MPN 774-NRS) has a 10-inch pipe size, flange x flange connections, and an overall length of 55.5 inches. It is equipped with NRS gate valve shut-off valves. This double check valve assembly is designed for backflow prevention in high-flow water systems.
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 since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Watts backflow preventer.
How to install the Watts 774 Double Check Valve Assembly?
Install the Watts 774 in a horizontal or vertical orientation with flow arrow aligned. Use flange gaskets and bolts per pipe pressure rating. Ensure adequate clearance for servicing the NRS gate valves and internal check modules. Always follow local plumbing codes and manufacturer guidelines for backflow preventer installation.
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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.
