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ZURN WILKINSZurn Double Check Backflow Preventers

ZURN WILKINS 6-350ASTOSY Double Check Backflow Preventer

The ZURN WILKINS 6-350ASTOSY is a 6-inch Double Check Backflow Preventer from the 350AST series, featuring flange x flange connections and an OSY gate valve shut-off type. This model is designed for backflow…

SKU 3G-OTH-439825

Also listed as: 6350ASTOSY · 6 350ASTOSY

Brand
ZURN WILKINS
Item
6-350ASTOSY Double Check Backflow Preventer
Part Number
6-350ASTOSY
Category
Zurn Double Check Backflow Preventers
Available to Order
Also known as:6-350ASTOSYZURN WILKINS
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ZURN WILKINS
Manufacturer Part Number
6-350ASTOSY
Type
Flange x Flange
Pipe Size
6 in
Connection Type
Flange x Flange
Shut-Off Valve Type
OSY Gate Valve

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ZURN WILKINS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ZURN WILKINS 6-350ASTOSY is a 6-inch Double Check Backflow Preventer from the 350AST series, featuring flange x flange connections and an OSY gate valve shut-off type. This model is designed for backflow prevention in industrial water systems.

Frequently Asked Questions

What is the ZURN WILKINS 6-350ASTOSY double check backflow preventer used for?

The ZURN WILKINS 6-350ASTOSY is a 6-inch double check backflow preventer used to protect potable water supplies from contamination in industrial water systems. It prevents reverse flow caused by backpressure or backsiphonage, making it essential for commercial, municipal, and process water applications.

What are the specifications of the ZURN WILKINS 6-350ASTOSY?

The ZURN WILKINS 6-350ASTOSY has a 6 in pipe size, flange x flange connections, and an OSY gate valve shut-off type. It is part of the 350AST series and is designed for backflow prevention in industrial water systems. The manufacturer part number is 6-350ASTOSY.

Where to buy the ZURN WILKINS 6-350ASTOSY worldwide?

3G Electric supplies the ZURN WILKINS 6-350ASTOSY double check backflow preventer to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for this ZURN WILKINS model, ensuring it reaches your facility regardless of location.

How to install a ZURN WILKINS double check backflow preventer?

Install the ZURN WILKINS double check backflow preventer in a horizontal or vertical position with adequate clearance for testing and maintenance. Ensure flow direction matches the arrow on the body. Use flange gaskets and torque bolts evenly to the manufacturer's specifications. Always consult local plumbing codes and the installation manual.

Used in

Common applications for ZURN WILKINS
Commercial building water supply — ZURN WILKINS 350XL double check backflow preventer for cross-connection control
Industrial process lines — ZURN WILKINS 3-ZW209 automatic control valve for pressure regulation
Municipal irrigation systems — ZURN WILKINS 1-710 pressure vacuum breaker for backflow prevention
Potable water distribution — ZURN WILKINS 34-20XLDULU water pressure regulator for reducing inlet pressure
Fire protection systems — ZURN WILKINS 950XLTDA reduced-pressure zone backflow detector for high-hazard applications
HVAC makeup water — ZURN WILKINS 212-500XLFC flanged pressure reducing valve for boiler feed control
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ZURN WILKINS Products

3G Electric supplies ZURN WILKINS 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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