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ZURN Double Check Backflow Preventer: 350AST, 2 1/2 in Pipe Size, Flange x Flange - Zurn Double Check Backflow Preventers
ZURNZurn Double Check Backflow Preventers

ZURN Double Check Backflow Preventer: 350AST, 2 1/2 in Pipe Size, Flange x Flange

The ZURN 350AST is a double check backflow preventer with a 2 1/2 in pipe size and flange x flange connections. It features an NRS gate valve shut-off type and is designed for operating temperatures from 33°F to…

SKU 3G-OTH-439810

Brand
ZURN
Item
Double Check Backflow Preventer: 350AST, 2 1/2 in Pipe Size, Flange x Flange
Category
Zurn Double Check Backflow Preventers
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Technical Specifications

ZURN
Manufacturer Part Number
212-350AST
Type
Flange x Flange, 33°F – 140°F
Pipe Size
2 1/2 in
Connection Type
Flange x Flange
Shut-Off Valve Type
NRS Gate Valve
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ZURN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ZURN 350AST is a double check backflow preventer with a 2 1/2 in pipe size and flange x flange connections. It features an NRS gate valve shut-off type and is designed for operating temperatures from 33°F to 140°F (MPN 212-350AST).

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 suitable for low-hazard applications where a double check valve assembly is required, such as in irrigation, fire protection, and water main connections.

What are the specifications of the ZURN 350AST backflow preventer?

The ZURN 350AST has a 2 1/2 in pipe size with flange x flange connections. It includes an NRS gate valve shut-off type and operates in temperatures from 33°F to 140°F. The manufacturer part number is 212-350AST. This model is designed for reliable backflow prevention in water systems.

Where to buy the ZURN 350AST backflow preventer worldwide?

You can source the ZURN 350AST backflow preventer through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this Zurn double check backflow preventer.

How to install a ZURN double check backflow preventer?

Install the ZURN 350AST in a horizontal or vertical orientation with adequate clearance for maintenance. Ensure flange connections are properly aligned and gasketed. Follow local plumbing codes and the manufacturer's instructions for testing and commissioning. Always consult a licensed professional for installation.

Used in

Common applications for ZURN
Commercial restrooms — ZURN AquaVantage® automatic flush valves (ZER6000AV series) for water-efficient toilet flushing
Institutional kitchens — ZURN cast iron floor drains (ZN415 series) for heavy-duty drainage in food preparation areas
Industrial washdown areas — ZURN height-adjustable PVC floor drains (EZ1 series) for chemical-resistant drainage
Hospital patient rooms — ZURN dome strainers (P1910 series) for floor sink drainage in sanitary environments
Office building maintenance — ZURN chrome-plated brass P-traps (ZR365B-PC) for sink trap replacements
Urinal retrofit projects — ZURN ZTR sensor flush valve retrofit kits (ZTR6203 series) for upgrading manual urinal flush valves

ZURN Products

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.

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