ZURN Double Check Backflow Preventer: 350AST, 3 in Pipe Size, Flange x Flange
The ZURN 350AST is a 3-inch double check backflow preventer from Zurn, featuring flange x flange connections and an NRS gate valve shut-off type. This model, with manufacturer part number 3-350AST, has an overall…
SKU 3G-OTH-439812
Also listed as: 3350AST · 3 350AST
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 ZURN 350AST is a 3-inch double check backflow preventer from Zurn, featuring flange x flange connections and an NRS gate valve shut-off type. This model, with manufacturer part number 3-350AST, has an overall length of 32.88 inches.
Frequently Asked Questions
What is the ZURN 350AST double check backflow preventer used for?
The ZURN 350AST is used to prevent backflow of contaminated water into potable water supplies in commercial and industrial plumbing systems. It is installed in cross-connections where backflow risk exists, such as irrigation, fire sprinkler, and process water lines.
What are the specifications of the ZURN 3-350AST backflow preventer?
The ZURN 3-350AST is a 3-inch double check backflow preventer with flange x flange connections and an NRS gate valve shut-off type. It has an overall length of 32.88 inches and is manufactured by Zurn under part number 3-350AST.
Where to buy the ZURN 350AST backflow preventer worldwide?
3G Electric supplies the ZURN 350AST double check backflow preventer 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.
How to install a ZURN double check backflow preventer?
Install the ZURN 350AST in a horizontal or vertical orientation with adequate clearance for servicing. Ensure flange connections are properly gasketed and bolted to matching flanges. Always follow local plumbing codes and the manufacturer's installation manual for correct placement and testing.
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3G Electric supplies ZURN zurn double check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
