Watts Dual Check w Atmospheric Vent: 9D, 1/2 in Pipe Size, FNPT x FNPT, 18.7 gpm Flow Rate
The WATTS 9D is a continuous pressure dual check backflow preventer with an atmospheric vent, featuring a 1/2 in pipe size and FNPT x FNPT connections. It has a flow rate of 18.7 gpm and is constructed from brass…
SKU 3G-OTH-430229
Also listed as: 9DM312 · 9D M3 1 2 · 9D-M3-1-2
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 9D is a continuous pressure dual check backflow preventer with an atmospheric vent, featuring a 1/2 in pipe size and FNPT x FNPT connections. It has a flow rate of 18.7 gpm and is constructed from brass (MPN 9D-M3-1/2").
Frequently Asked Questions
What is the WATTS 9D dual check backflow preventer used for?
The WATTS 9D is a continuous pressure dual check backflow preventer with an atmospheric vent, used to protect potable water supplies from contamination due to backflow. It is suitable for residential and commercial plumbing systems where a compact, reliable backflow solution is required.
What are the specifications of the WATTS 9D-M3-1/2?
The WATTS 9D-M3-1/2 has a 1/2 in pipe size, FNPT x FNPT connections, a flow rate of 18.7 gpm, and is constructed from brass. It is designed for continuous pressure applications and includes an atmospheric vent for added safety.
Where to buy the WATTS 9D backflow preventer worldwide?
3G Electric supplies the WATTS 9D backflow preventer to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this brass dual check valve.
How to install a WATTS 9D dual check valve?
Install the WATTS 9D in a horizontal or vertical position with the flow arrow pointing downstream. Ensure the atmospheric vent is unobstructed and the valve is accessible for testing. Use pipe thread sealant on the FNPT connections and test per local codes after installation.
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Common applications for WattsWatts Products
3G Electric supplies Watts continuous pressure dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
