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WILKINSZurn RPZ Backflow Preventers

WILKINS Reduced Pressure Principle Backflow Prev: 375AST, Std Configuration

The WILKINS 375AST Reduced Pressure Principle Backflow Preventer, part of the Zurn RPZ Backflow Preventers product type, is a 304L Stainless Steel backflow prevention assembly with a flange connection type. It…

SKU 3G-OTH-440464

Also listed as: 4375AST · 4 375AST

Brand
WILKINS
Item
Reduced Pressure Principle Backflow Prev: 375AST, Std Configuration
Category
Zurn RPZ 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

WILKINS
Manufacturer Part Number
4-375AST
Type
Std Configuration
Body Material
304L Stainless Steel
Connection Type
Flange
Stainless Steel
304L
Shut-Off Valve Type
NRS Gate Valve

Technical Documents

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

Product Description

The WILKINS 375AST Reduced Pressure Principle Backflow Preventer, part of the Zurn RPZ Backflow Preventers product type, is a 304L Stainless Steel backflow prevention assembly with a flange connection type. It features an NRS Gate Valve shut-off valve type and is identified by manufacturer part number 4-375AST.

Frequently Asked Questions

What is the WILKINS 375AST Reduced Pressure Principle Backflow Preventer used for?

The WILKINS 375AST is used to prevent reverse flow of contaminated water into potable water supplies in commercial, industrial, and municipal systems. It is a Zurn RPZ backflow preventer that protects against backpressure and backsiphonage in high-hazard cross-connections.

What are the specifications of the WILKINS 375AST backflow preventer?

The WILKINS 375AST features a 304L Stainless Steel body, flange connection type, and an NRS Gate Valve shut-off valve type. It is a Reduced Pressure Principle assembly identified by manufacturer part number 4-375AST. This Zurn RPZ backflow preventer is designed for high-hazard applications.

Where to buy the WILKINS 375AST backflow preventer worldwide?

You can source the WILKINS 375AST Reduced Pressure Principle Backflow Preventer through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Zurn RPZ backflow preventer.

How to install a WILKINS 375AST Reduced Pressure Principle Backflow Preventer?

Install the WILKINS 375AST in a horizontal or vertical orientation with adequate clearance for testing and maintenance. Ensure the flange connections are properly aligned and gasketed. Follow local plumbing codes and the manufacturer's instructions for the Zurn RPZ assembly to avoid pressure surges and freezing.

Used in

Common applications for WILKINS
Commercial water distribution — WILKINS 600XL series pressure reducing valves for regulating supply pressure in multi-story buildings.
Irrigation systems — WILKINS 975XL2 backflow preventers to protect potable water from contamination in agricultural setups.
Industrial process control — WILKINS 375ST reduced pressure principle backflow preventers for cross-connection control in manufacturing plants.
Municipal water treatment — WILKINS low-lead pressure regulators like the 1-600XL3DU for compliance with potable water standards.
HVAC systems — WILKINS 112-NR3XLDULU regulators for maintaining consistent water pressure in heating and cooling loops.
Fire protection systems — WILKINS backflow preventers for backflow prevention in sprinkler and standpipe systems.

WILKINS Products

3G Electric supplies WILKINS zurn rpz 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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