Watts Double Check Valve Assembly: 774, 2 1/2 in Pipe Size, Flange x Flange, 37 in Overall Lg
The Watts 774 Double Check Valve Assembly is a flange x flange backflow preventer from the Watts Double Check Backflow Preventers product line. This model, identified by manufacturer part number 774-NRS, features a 2…
SKU 3G-OTH-434577
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 is a flange x flange backflow preventer from the Watts Double Check Backflow Preventers product line. This model, identified by manufacturer part number 774-NRS, features a 2 1/2 inch pipe size and a 37 inch overall length, and is equipped with NRS gate valve shut-off valves.
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 fire sprinkler systems, irrigation lines, and water mains to protect against cross-connection contamination.
What are the specifications of the Watts 774 double check valve assembly?
The Watts 774 double check valve assembly has a 2 1/2 in pipe size, flange x flange connection, and a 37 in overall length. It features NRS gate valve shut-off valves and is identified by manufacturer part number 774-NRS. This model is part of the Watts Double Check Backflow Preventers product line.
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 backflow preventer to any international destination.
How to install a Watts 774 double check valve assembly?
Install the Watts 774 double check valve assembly in a horizontal or vertical position with flow direction matching the arrow on the body. Ensure adequate clearance for maintenance and testing. Use flange gaskets and bolts per local plumbing codes. Always consult the manufacturer's installation manual for torque specifications and testing procedures.
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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.
