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ZURN WILKINS 34-350XL Double Check Backflow Preventer - Zurn Double Check Backflow Preventers
ZURN WILKINSZurn Double Check Backflow Preventers

ZURN WILKINS 34-350XL Double Check Backflow Preventer

The ZURN WILKINS 350XL is a double check backflow preventer with a 3/4 in pipe size, featuring flange x flange connections and a ball valve shut-off type. This bronze-bodied unit (MPN 34-350XL) has an overall length…

SKU 3G-OTH-439790

Also listed as: 34350XL · 34 350XL

Brand
ZURN WILKINS
Item
34-350XL Double Check Backflow Preventer
Category
Zurn Double Check Backflow Preventers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ZURN WILKINS
Manufacturer Part Number
34-350XL
Type
Flange x Flange, Bronze
Overall Lg
11 in
Pipe Size
3/4 in
Connection Type
Flange x Flange
Shut-Off Valve Type
Ball Valve

Technical Documents

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

Product Description

The ZURN WILKINS 350XL is a double check backflow preventer with a 3/4 in pipe size, featuring flange x flange connections and a ball valve shut-off type. This bronze-bodied unit (MPN 34-350XL) has an overall length of 11 in.

Frequently Asked Questions

What is the ZURN WILKINS 350XL backflow preventer used for?

The ZURN WILKINS 350XL double check backflow preventer protects potable water supplies from contamination due to backflow. It is commonly installed in commercial and industrial plumbing systems where a non-health hazard cross-connection exists, such as irrigation or fire sprinkler systems.

What are the specifications of the ZURN WILKINS 34-350XL?

The ZURN WILKINS 34-350XL is a 3/4 in pipe size double check backflow preventer with flange x flange connections. It features a bronze body, ball valve shut-off type, and an overall length of 11 in. The manufacturer part number is 34-350XL.

Where to buy the ZURN WILKINS 350XL backflow preventer worldwide?

3G Electric supplies the ZURN WILKINS 350XL backflow preventer to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this bronze-bodied double check valve.

How to install a ZURN WILKINS double check backflow preventer?

Install the ZURN WILKINS 350XL in a horizontal or vertical position with adequate clearance for testing and servicing. Ensure flange connections are properly gasketed and torqued to manufacturer specifications. Always follow local plumbing codes and test the assembly after installation to verify proper operation.

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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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
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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 valves and 15.25 in overall length. Used in commercial and industrial water systems to prevent backflow in cross-connections such as irrigation, fire protection, and process water lines
Double check backflow preventer with 1 1/4 in FNPT x FNPT connections, bronze body, and ball valve shut-offs. Overall length 14.88 in. Used in commercial and industrial water systems to prevent backflow of non-hazardous contaminants into potable supply, such as on fire sprinkler lines, irrigation systems, and process water lines
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Double check backflow preventer with 1 1/4 in FNPT x FNPT connections, bronze body, and ball valve shut-offs. Overall length 14.88 in. Used in commercial and industrial water systems to prevent backflow of non-hazardous contaminants into potable supply, such as on fire sprinkler lines, irrigation systems, and process water lines
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 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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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
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