6 375 RPDA, GRV BODY, GRV X GRV, LESS GATE VALVES

Item Number: 6-375ADAL
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$14,498.27
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • 6 inch Reduced Pressure Detector Assembly
  • Designed for fire protection system applications
  • Ductile iron body with NSF approved epoxy coating
  • Metered by-pass for leak and unauthorized water use detection
  • Maximum Operating Pressure: 175 PSI
  • Grooved end connections for steel pipe
  • ASSE® Listed 1047 and CSA B64.4 Certified
  • Does not include shut-off gate valves

Description

The Zurn Wilkins Model 375ADA 6 inch Reduced Pressure Detector Assembly is engineered for fire protection systems, offering high hazard protection against backsiphonage and back-pressure. Its durable epoxy coated ductile iron body and stainless steel internals ensure longevity. A metered by-pass detects leaks and unauthorized water use, enhancing system integrity. This assembly features 6 inch grooved end connections for steel pipe and is certified to ASSE 1047, CSA B64.4, and NSF/ANSI/CAN 61 standards. This configuration does not include shut-off gate valves. Item number 6-375ADAL.

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Connections

  • The Zurn Wilkins Model 375ADAL features 6 inch grooved end connections on both the inlet and outlet for integration into steel piping systems.
  • These connections are compliant with AWWA C606 and ASME B16.42 Class 150 standards.

Valve Configuration

  • This specific 'L' configuration signifies that the assembly is supplied without shut-off gate valves. If isolation valves are required for the installation, they must be acquired separately and connected to the grooved ends.
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Additional Details

The Zurn Wilkins Model 375ADA Reduced Pressure Detector Assembly is designed for installation on water lines in fire protection systems to protect against both backsiphonage and back-pressure of contaminated water into the potable water supply. This assembly incorporates a metered by-pass to detect leaks and unauthorized water use, providing high hazard protection.

Application & Use

  • Designed for installation on water lines in fire protection systems
  • Provides protection against backsiphonage and back-pressure
  • Metered by-pass detects leaks and unauthorized water use
  • Suitable where a potential health hazard exists

Construction & Materials

  • Main Valve Body: Ductile Iron ASTM A536, NSF Approved fusion epoxy finish
  • Access Covers: Ductile Iron ASTM A536
  • Internals: Stainless steel, 300 Series, NORYL™
  • Fasteners & Springs: Stainless Steel, 300 Series
  • Elastomers: EPDM (FDA approved), Buna Nitrile (FDA approved)
  • Polymers: NORYL™
  • Sensing Line: Stainless steel, braided hose
  • By-Pass Backflow Assembly: 3/4 inch Model 975XLD

Performance Specifications

  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 140°F
  • Hydrostatic Test Pressure: 350 PSI
  • End Connections: Grooved for steel pipe (AWWA C606, ASME B16.42, Class 150)

Specifications

  • Body Material: Ductile Iron ASTM A536
  • Coating: NSF Approved Fusion Epoxy Finish
  • Internals Material: Stainless Steel, 300 Series, NORYL™
  • Elastomer Material: EPDM (FDA approved), Buna Nitrile (FDA approved)
  • Polymer Material: NORYL™
  • Sensing Line Material: Stainless Steel, Braided Hose
  • Size: 6 inch
  • By-Pass Assembly: 3/4 inch Model 975XLD
  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 140°F
  • Hydrostatic Test Pressure: 350 PSI
  • End Connections: Grooved for Steel Pipe (AWWA C606, ASME B16.42, Class 150)
  • Included Valves: Less Shut-off Valves (Grooved Body Connections)

Certificates & Approvals

  • ASSE® Listed 1047 (2 1/2 inch - 8 inch)
  • CSA B64.4 (2-1/2 inch - 8 inch)
  • 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* (0.25% Max. Weighted Average Lead Content)

FAQs

What is the primary application of the Zurn Wilkins 375ADA?

The Zurn Wilkins 375ADA is primarily designed for installation on water lines in fire protection systems to safeguard potable water from contamination due to backsiphonage and back-pressure.

What type of end connections does this 6-inch model have?

This 6-inch Model 375ADA features grooved end connections on both the inlet and outlet, specifically designed for installation with steel pipe in accordance with AWWA C606 and ASME B16.42 standards.

Does this particular Zurn Wilkins 375ADAL assembly include shut-off valves?

No, this specific configuration (indicated by 'L' in the SKU and 'Less Gate Valves' in the description) does not include shut-off gate valves. These components would need to be procured separately if required for system isolation.

How does the metered by-pass system function on the 375ADA?

The integrated metered by-pass system is designed to detect small leaks or unauthorized water usage within the fire protection system, providing an alert for potential water loss or misuse.

What materials are used for the main body and internals of the 375ADA?

The main valve body and access covers are constructed from durable Ductile Iron ASTM A536 with an NSF Approved fusion epoxy finish. The internals, including fasteners and springs, are made from Stainless Steel 300 Series and NORYL™.

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