ZURN Double Check Backflow Preventer: 350AST, 4 in Pipe Size, Flange x Flange
The ZURN 350AST is a 4-inch double check backflow preventer with flange x flange connections and NRS gate valve shut-off valves. This model, MPN 4-350AST, has an overall length of 34.88 inches.
SKU 3G-OTH-439830
Also listed as: 4350AST · 4 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 4-inch double check backflow preventer with flange x flange connections and NRS gate valve shut-off valves. This model, MPN 4-350AST, has an overall length of 34.88 inches.
Frequently Asked Questions
What is the ZURN 350AST double check backflow preventer used for?
The ZURN 350AST double check backflow preventer is used in commercial and industrial water systems to prevent reverse flow of contaminated water into the potable supply. It is commonly installed in fire sprinkler systems, irrigation lines, and process water applications where non-health-hazard cross-connections exist.
What are the specifications of the ZURN 4-350AST backflow preventer?
The ZURN 4-350AST is a 4-inch double check backflow preventer with flange x flange connections and NRS gate valve shut-off valves. Its overall length is 34.88 inches. The manufacturer part number is 4-350AST. It is designed for non-health-hazard applications and meets industry standards for backflow prevention.
Where to buy the ZURN 4-350AST backflow preventer worldwide?
3G Electric supplies the ZURN 4-350AST 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. We source and deliver this ZURN model to any country.
How to install a ZURN double check backflow preventer?
Install the ZURN double check backflow preventer in a horizontal or vertical position with flow arrow pointing downstream. Ensure flange connections are properly gasketed and bolted to matching pipe flanges. Provide adequate clearance for maintenance and testing. Always follow local plumbing codes and the manufacturer's installation manual for proper operation.
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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.
