2 950 DCDA BFLY W-SWITCH LESS MTR NPT TOP ACCESS NON POTABLE

Item Number: 2-950XLTDABFSSLM
1 1
$5,241.77
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Size: 2 inch
  • Model: Zurn 950XLTDA Double Check Detector Assembly
  • Valve Type: Butterfly shutoff valves
  • Bypass: Metered for leak detection
  • Maximum Working Pressure: 175 PSI
  • Body Material: Cast Bronze
  • Internals: 300 Series Stainless Steel
  • Installation: Horizontal or Vertical

Description

The Zurn 950XLTDA 2 inch Double Check Detector Assembly (DCDA) provides critical backflow protection in fire protection systems. This cast bronze unit prevents backsiphonage and backpressure of polluted water into the potable supply for non-health hazard applications. It features robust butterfly shutoff valves with UL and FM approved supervisory switches, a metered bypass for leak detection, and durable 300 series stainless steel internals. Designed for versatile horizontal or vertical installation, it offers a maximum working pressure of 175 PSI and temperature of 180°F. Item number 2-950XLTDABFSSLM.

Help Me Connect

Connecting the Zurn 950XLTDA DCDA

This 2 inch Double Check Detector Assembly is designed with threaded (NPT) end connections, making it suitable for direct installation into compatible piping systems. It can be installed in both horizontal and vertical orientations, providing flexibility to meet diverse site requirements. For optimal performance and ease of maintenance, ensure adequate side clearance and refer to local codes for specific installation guidelines, including minimum and maximum height requirements above drains.

View full details

Additional Details

The 2 inch Zurn Model 950XLTDA Double Check Detector Assembly (DCDA) is designed for installation on water lines in fire protection systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. This assembly is suitable for applications where a potential non-health hazard exists.

Key Features

  • Equipped with butterfly shutoff valves and butterfly valve supervisory switches for enhanced system monitoring.
  • Features a metered bypass to detect leaks and unauthorized water use, helping to reduce maintenance and repair costs.
  • Can be installed in both vertical and horizontal orientations, offering installation versatility.
  • Cast bronze body and 300 series stainless steel internals provide excellent corrosion resistance.
  • Test cocks are accessible from the top of the device and protected by a plug to prevent fouling from debris.
  • Includes full port gate valves and separate access covers for each check, simplifying maintenance.

Application & Use

  • Primarily used in fire protection systems to prevent the entry of non-potable water into the main water supply.
  • Provides protection against low health hazard pollutants.

Specifications

General

  • Model: 950XLTDA
  • Size: 2 inch
  • Product Type: Double Check Detector Assembly (DCDA)
  • End Connections: Threaded (NPT)
  • Valve Type: Butterfly shutoff valves
  • Bypass: Metered
  • Installation Orientation: Horizontal or Vertical

Materials

  • Main Valve Body: Cast Bronze (ASTM B 584)
  • Access Covers: Cast Bronze (ASTM B 584)
  • Fasteners: Stainless Steel (300 Series)
  • Elastomers: Silicone (FDA approved), Buna Nitrile (FDA approved)
  • Polymers: Noryl™ (NSF Listed)
  • Springs: Stainless Steel (300 series)
  • Test Cock Cover: Plastic

Performance

  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 180°F
  • Hydrostatic Test Pressure: 350 PSI
  • End Connections Standard: ANSI B1.20.1

Certificates & Approvals

  • UL® Classified (Horizontal & Vertical)
  • C-UL® Classified (Horizontal & Vertical)
  • ASSE listed 1048 (Horizontal & Vertical)
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California (Horizontal & Vertical)
  • Butterfly Valve Supervisory Switches: UL and FM Approved (for indoor and outdoor use)

FAQs

What is the primary application of the Zurn 950XLTDA DCDA?

The Zurn 950XLTDA Double Check Detector Assembly is primarily used in fire protection systems. It protects the potable water supply from backsiphonage and backpressure of polluted water where a potential non-health hazard exists.

What type of shutoff valves does this specific model include?

This particular Zurn 950XLTDA DCDA model (2-950XLTDABFSSLM) is assembled with butterfly shutoff valves. It also includes butterfly valve supervisory switches that are UL and FM approved for both indoor and outdoor use.

Can this assembly be installed in any orientation?

Yes, the Zurn 950XLTDA DCDA is designed for versatile installation. It can be installed in both horizontal and vertical orientations, providing flexibility for various site conditions.

What are the maximum operating pressure and temperature ratings?

This assembly has a maximum working water pressure of 175 PSI and a maximum working water temperature of 180°F. The hydrostatic test pressure is rated at 350 PSI.

What materials are used in the construction of this DCDA?

The main valve body and access covers are made of cast bronze (ASTM B 584). Internals feature 300 series stainless steel fasteners and springs, Noryl™ polymers, and FDA-approved Silicone and Buna Nitrile elastomers.