Watts 774-OSY Double Check Backflow Preventer, 12 in, Flange x Flange
The Watts 774 Double Check Valve Assembly is a flange x flange backflow preventer with a 12-inch pipe size and an overall length of 57.5 inches. It features an OSY gate valve shut-off valve type and is identified by…
SKU 3G-OTH-434597
Also listed as: 774OSY · 774 OSY
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Watts 774 Double Check Valve Assembly is a flange x flange backflow preventer with a 12-inch pipe size and an overall length of 57.5 inches. It features an OSY gate valve shut-off valve type 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 is used in commercial and industrial water systems to prevent backflow contamination. It is installed in non-health-hazard cross-connections, such as fire sprinkler systems, irrigation lines, and boiler feed lines, where a higher degree of protection is required.
What are the specifications of the Watts 774 double check valve assembly?
The Watts 774 double check valve assembly has a 12-inch pipe size, flange x flange connections, and an overall length of 57.5 inches. It features OSY gate valve shut-off valves and is identified by manufacturer part number 774-OSY. The assembly is designed for backflow prevention in high-flow applications.
Where to buy the Watts 774 double check valve assembly worldwide?
You can source the Watts 774 double check valve assembly worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact them for availability and lead time on this Watts backflow preventer.
How to install the 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 flange gaskets are properly aligned and bolts are torqued to manufacturer specifications. Always consult local plumbing codes and the Watts installation manual for specific requirements.
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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.
