Watts Double Check Valve Assembly: 757, 4 in Pipe Size, Flange x Flange, 33.75 in Overall Lg
The Watts 757 Double Check Valve Assembly is a 4-inch backflow preventer with flange x flange connections and an OSY gate valve shut-off. This assembly, identified by MPN 4 757 OSY, measures 33.75 inches in overall…
SKU 3G-OTH-434586
Also listed as: 4757OSY · 4-757-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 757 Double Check Valve Assembly is a 4-inch backflow preventer with flange x flange connections and an OSY gate valve shut-off. This assembly, identified by MPN 4 757 OSY, measures 33.75 inches in overall length and is constructed from PPO.
Frequently Asked Questions
What is the Watts 757 Double Check Valve Assembly used for?
The Watts 757 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 suitable for low-hazard applications where continuous water pressure is required, such as fire sprinkler systems and irrigation lines.
What are the specifications of the Watts 757 Double Check Valve Assembly?
The Watts 757 Double Check Valve Assembly has a 4-inch pipe size with flange x flange connections and an OSY gate valve shut-off. It measures 33.75 inches overall length, is constructed from PPO, and carries MPN 4 757 OSY. This Watts assembly is designed for backflow prevention in low-hazard water systems.
Where to buy the Watts 757 Double Check Valve Assembly worldwide?
You can source the Watts 757 Double Check Valve Assembly worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Watts backflow preventer.
How to install the Watts 757 Double Check Valve Assembly?
Install the Watts 757 Double Check Valve Assembly in a horizontal position with the flow arrow aligned. Ensure flange gaskets are properly seated and bolts are torqued evenly. After installation, test the assembly per local codes to verify proper check valve operation and no leakage. Always follow Watts installation guidelines.
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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.
