10 375 RPDA, GRV BODY, GRV X GRV, LESS GATE VALVES

Item Number: 10-375ADAL
Skip to product information
1 of 1
Regular price $37,764.62
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins

  • Size: 10 inch
  • Product Type: Reduced Pressure Detector Assembly
  • End Connections: Grooved for steel pipe
  • Body Material: Ductile Iron ASTM A536 with NSF Approved fusion epoxy finish
  • Maximum Working Pressure: 175 PSI
  • Maximum Working Temperature: 140°F
  • Features: Metered by-pass for leak detection
  • Shut-off Valves: Not included (less gate valves)

Description

The 10-inch Zurn Wilkins Model 375ADA Reduced Pressure Detector Assembly provides essential backflow protection for fire protection systems. This device is engineered to prevent contaminated water from entering the potable supply due to backsiphonage or back-pressure. Featuring a durable epoxy-coated ductile iron body and grooved connections for steel pipe, it ensures reliable performance. A built-in metered by-pass detects leaks and unauthorized water use, enhancing system security. It operates at a maximum pressure of 175 PSI and temperature of 140°F, complying with ASSE, CSA, AWWA, and NSF standards. This model is supplied without shut-off valves.

Help Me Connect

Installation Guidelines

This Zurn Wilkins Model 375ADA Reduced Pressure Detector Assembly is equipped with grooved end connections, designed for installation into steel piping systems. Local codes and the manufacturer's instructions should always be followed for specific installation requirements. The assembly must be mounted at a minimum of 12 inches (305mm) and a maximum of 30 inches (762mm) above adequate drains, allowing sufficient side clearance for testing and maintenance. It is critical that no part of the unit can be submerged, ensuring proper function and longevity.

View full details

Collapsible content

Additional Details

The Zurn Wilkins Model 375ADA is a 10 inch Reduced Pressure Detector Assembly designed to protect potable water supplies from contamination in fire protection systems. This assembly prevents both backsiphonage and back-pressure from hazardous cross-connections.

Application

  • Provides high hazard protection in water lines for fire protection systems.
  • Incorporates a metered by-pass to detect leaks and unauthorized water usage.
  • Ensures compliance with health hazard regulations where potential contamination exists.

Features

  • Grooved body connections for straightforward installation with steel pipe.
  • Designed to be supplied without shut-off valves for specific system requirements.
  • Maintains system integrity by monitoring water use through its by-pass meter.

Specifications

  • Size: 10 inch
  • Product Type: Reduced Pressure Detector Assembly
  • Model: 375ADA
  • Main Valve Body Material: Ductile Iron ASTM A536
  • Access Covers Material: Ductile Iron ASTM A536
  • Coating: NSF Approved fusion epoxy finish
  • Internals Material: Stainless steel, 300 Series, NORYL™
  • Fasteners & Springs Material: Stainless Steel, 300 Series
  • Elastomers: EPDM (FDA approved), Buna Nitrile (FDA approved)
  • Polymers: NORYL™
  • Sensing Line Material: Stainless steel, braided hose
  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 140°F
  • Hydrostatic Test Pressure: 350 PSI
  • End Connections: Grooved for steel pipe

Certificates & Approvals

  • ASSE® Listed 1047 (2 1/2" - 8")
  • CSA B64.4 Certified (2-1/2" - 8")
  • AWWA Compliant C550
  • UL® Classified
  • C-UL® Classified
  • FM® Approved
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
  • NYC MEA 104-05-M
  • Meets NSF/ANSI/CAN 61 requirements (0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

FAQs

What is the primary function of the Zurn Wilkins 375ADA Reduced Pressure Detector Assembly?

The primary function is to protect potable water supplies from contamination by preventing backsiphonage and back-pressure from non-potable sources, especially in fire protection systems.

What type of connections does this 10-inch 375ADA model have?

This model features 10-inch grooved end connections, designed for straightforward installation with steel piping systems.

What materials are used in the construction of this backflow preventer?

The main valve body and access covers are made of epoxy-coated ductile iron (ASTM A536). Internals, fasteners, and springs are stainless steel, while elastomers are EPDM and Buna Nitrile.

What are the maximum operating pressure and temperature ratings for the 375ADA?

The maximum working water pressure for this assembly is 175 PSI, and the maximum working water temperature is 140°F.

Does the 10-375ADAL model include shut-off valves?

No, the "L" in the SKU (10-375ADAL) indicates that this specific model is supplied without shut-off valves.