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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
Category
Zurn Double Check Backflow Preventers
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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

Technical Documents

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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.

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 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

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Double check backflow preventer with 6-inch pipe size and flange x flange connections. Features NRS gate valve shut-off and overall length of 43.5 inches. Used in commercial and industrial water systems to prevent reverse flow contamination in fire sprinkler, irrigation, and process water applications
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Double check backflow preventer with 6-inch pipe size and flange x flange connections. Features NRS gate valve shut-off and overall length of 43.5 inches. Used in commercial and industrial water systems to prevent reverse flow contamination in fire sprinkler, irrigation, and process water applications
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Double check backflow preventer with 2 in FNPT x FNPT connections and ball valve shut-offs. Overall length 28.31 in. Used in commercial water systems to prevent reverse flow in non-health-hazard cross-connections such as fire sprinkler and irrigation lines
Double check backflow preventer with 3/4 in pipe size, flange x flange connections, and ball valve shut-off. Constructed of bronze with an overall length of 11 in. Used in commercial and industrial plumbing systems to protect potable water from backflow in non-health hazard cross-connections
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Double check backflow preventer with 3/4 in pipe size, flange x flange connections, and ball valve shut-off. Constructed of bronze with an overall length of 11 in. Used in commercial and industrial plumbing systems to protect potable water from backflow in non-health hazard cross-connections
Double check backflow preventer with 1 1/2 in pipe size and flange x flange connections. Features ball valve shut-off and overall length of 15.25 in. Used to prevent reverse flow in cross-connection control applications, protecting potable water supplies from non-health-hazard pollutants
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Double check backflow preventer with 1 1/2 in pipe size and flange x flange connections. Features ball valve shut-off and overall length of 15.25 in. Used to prevent reverse flow in cross-connection control applications, protecting potable water supplies from non-health-hazard pollutants
Double check backflow preventer with a bronze body and flange x flange connections. Pipe size 2 in, overall length 16 in. Includes ball valve shut-off. Used in cross-connection control to prevent reverse flow in potable water systems
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Double check backflow preventer with a bronze body and flange x flange connections. Pipe size 2 in, overall length 16 in. Includes ball valve shut-off. Used in cross-connection control to prevent reverse flow in potable water systems
Double check backflow preventer with 1 in pipe size, flange x flange connections, and ball valve shut-off. Constructed of bronze with an overall length of 12.25 in. Used to protect potable water supplies from non-health hazard cross-connections in commercial, industrial, and irrigation systems
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Double check backflow preventer with 1 in pipe size, flange x flange connections, and ball valve shut-off. Constructed of bronze with an overall length of 12.25 in. Used to protect potable water supplies from non-health hazard cross-connections in commercial, industrial, and irrigation systems

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Double check backflow preventer with bronze body, 1 in FNPT x FNPT connections, and ball valve shut-offs. Overall length 12.25 in. Used in commercial and industrial water systems to prevent backflow in low-hazard applications such as irrigation, fire sprinkler, and process water lines
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Double check backflow preventer with bronze body, 1 in FNPT x FNPT connections, and ball valve shut-offs. Overall length 12.25 in. Used in commercial and industrial water systems to prevent backflow in low-hazard applications such as irrigation, fire sprinkler, and process water lines
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Double check backflow preventer with 3/4 in pipe size and flange x flange connections. Features ball valve shut-off valves. Used in non-health hazard cross-connections such as fire sprinkler or irrigation lines to protect potable water supplies from backflow
Double check backflow preventer with bronze body, 1 in pipe size, flange x flange connections, and ball valve shut-off. Overall length 12.25 in. Used to prevent reverse flow in water lines due to backpressure or backsiphonage
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Double check backflow preventer with bronze body, 1 in pipe size, flange x flange connections, and ball valve shut-off. Overall length 12.25 in. Used to prevent reverse flow in water lines due to backpressure or backsiphonage
The ZURN WILKINS 350XL is a 2-inch double check backflow preventer with a bronze body and flange x flange connections. It features ball valve shut-offs and has an overall length of 16 inches. This assembly is used in water supply systems to prevent backflow contamination
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The ZURN WILKINS 350XL is a 2-inch double check backflow preventer with a bronze body and flange x flange connections. It features ball valve shut-offs and has an overall length of 16 inches. This assembly is used in water supply systems to prevent backflow contamination
Double check backflow preventer with bronze body, 3/4 in MNPT x MNPT connections, and ball valve shut-off. Overall length 9.47 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage
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Double check backflow preventer with bronze body, 3/4 in MNPT x MNPT connections, and ball valve shut-off. Overall length 9.47 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage
Double check backflow preventer with 3/4 in pipe size, flange x flange connections, and ball valve shut-off. Bronze body, 11 in overall length. Used in non-health hazard cross-connections such as irrigation or fire sprinkler systems
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Double check backflow preventer with 3/4 in pipe size, flange x flange connections, and ball valve shut-off. Bronze body, 11 in overall length. Used in non-health hazard cross-connections such as irrigation or fire sprinkler systems
Double check backflow preventer with 1 in FNPT x FNPT connections, rated for 180°F maximum temperature. Includes ball valve shut-off valves. Overall length 14 in. Used in continuous pressure applications to prevent backflow in non-health-hazard cross-connections
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Double check backflow preventer with 1 in FNPT x FNPT connections, rated for 180°F maximum temperature. Includes ball valve shut-off valves. Overall length 14 in. Used in continuous pressure applications to prevent backflow in non-health-hazard cross-connections
This 1-inch double check backflow preventer features a bronze body with male NPT threaded connections on both ends. It includes ball valve shut-offs and measures 11.75 inches in overall length. Designed for non-hazardous cross-connection control, it prevents reverse flow due to backpressure or backsiphonage in plumbing systems
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This 1-inch double check backflow preventer features a bronze body with male NPT threaded connections on both ends. It includes ball valve shut-offs and measures 11.75 inches in overall length. Designed for non-hazardous cross-connection control, it prevents reverse flow due to backpressure or backsiphonage in plumbing systems