Watts 774-OSY Double Check Valve Assembly
The Watts 774 Double Check Valve Assembly is a flange x flange backflow preventer with a 10-inch pipe size and an overall length of 55.5 inches. It features OSY gate valves for shut-off and is identified by…
SKU 3G-OTH-434595
Also listed as: 774OSY · 774 OSY
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 with a 10-inch pipe size and an overall length of 55.5 inches. It features OSY gate valves for shut-off and is identified by manufacturer part number 774-OSY.
Frequently Asked Questions
What is the Watts 774 Double Check Valve Assembly used for?
The Watts 774 Double Check Valve Assembly prevents backflow of non-potable water into potable water supplies in commercial and industrial piping systems. It is commonly installed in fire sprinkler, irrigation, and process water lines where a 10-inch flange connection is required.
What are the specifications of the Watts 774-OSY backflow preventer?
The Watts 774-OSY Double Check Valve Assembly has a 10-inch pipe size, flange x flange connections, and an overall length of 55.5 inches. It includes OSY gate valves for shut-off and 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 sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 10-inch flange x flange backflow preventer.
How to install a Watts 774 double check valve assembly?
Install the Watts 774 in a horizontal or vertical position with flow arrow aligned. Ensure flange gaskets are properly seated and bolts torqued to manufacturer specs. Provide adequate clearance for OSY gate valve operation and testing. Always follow local plumbing codes and the Watts installation manual.
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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.
