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ZURNZurn Reduced-Pressure Zone Backflow Detectors

ZURN Double Check Detector Backflow Preventer: 350ASTDA, 6 in Pipe Size, Flange

The ZURN 350ASTDA is a reduced-pressure zone backflow detector with a 6-inch pipe size and flange connection. It features an OSY gate valve shut-off and is constructed from stainless steel. This assembly is designed…

SKU 3G-OTH-440277

Brand
ZURN
Item
Double Check Detector Backflow Preventer: 350ASTDA, 6 in Pipe Size, Flange
Category
Zurn Reduced-Pressure Zone Backflow Detectors
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Technical Specifications

ZURN
Manufacturer Part Number
6-350ASTDA
Type
Flange, Stainless Steel
Pipe Size
6 in
Connection Type
Flange
Shut-Off Valve Type
OSY Gate Valve
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ZURN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ZURN 350ASTDA is a reduced-pressure zone backflow detector with a 6-inch pipe size and flange connection. It features an OSY gate valve shut-off and is constructed from stainless steel. This assembly is designed for backflow prevention in commercial water systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the ZURN 6-350ASTDA backflow preventer used for?

The ZURN 6-350ASTDA is a reduced-pressure zone backflow detector used in commercial water systems to prevent contaminated water from flowing backward into the potable supply. It is commonly installed in fire sprinkler and irrigation systems where cross-connection control is required.

What are the specifications of the ZURN 6-350ASTDA?

The ZURN 6-350ASTDA has a 6 in pipe size, flange connection, and an OSY gate valve shut-off. It is constructed from stainless steel. This assembly is designed for backflow prevention in commercial water systems and is manufactured by ZURN.

Where to buy the ZURN 6-350ASTDA worldwide?

3G Electric supplies the ZURN 6-350ASTDA backflow preventer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this model.

How to install a ZURN double check detector backflow preventer?

Installation should follow local plumbing codes and the manufacturer's instructions. Typically, the unit is mounted horizontally in a straight pipe run with adequate clearance for testing and maintenance. Ensure the flange connections are properly gasketed and bolted to avoid leaks.

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 reduced-pressure zone backflow detectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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