Wilkins 950XLTDA Double Check Detector Backflow Preventer

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. A test cock plug is provided to protect against fouling caused by insects, dirt and debris. Assembly shall provide protection where a potential non-health hazard exists.

Compliance

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)

By-Pass Backflow Assembly 3/4" Model 350D

Features:

Sizes: 2"
Maximum working water pressure: 175 PSI
Maximum working water temperature: 180°F
Hydrostatic test pressure: 350 PSI
End connections (Threaded): ANSI B1.20.1
Vertical and horizontal orientation reduces installation time
Metered bypass detects leaks and unauthorized water use for reduced maintenance and repair costs
Ensures protection from polluted water in fire protection applications
Bronze body and stainless steel internals resist corrosion
Equipped with OS&Y shutoff valves

Specification

The Double Check Detector Backflow Prevention Assembly shall be ASSE Listed 1048, and supplied with full port gate valves. The main body and access covers shall be bronze (ASTM B 584), the seat ring and all internal polymers shall be NSF® Listed Noryl™ and the seat disc elastomers shall be SILICONE. The first and second check shall be located at a 45° angle and accessible for maintenance from the top of the device, without removing the device from the line. Each check shall have separate access covers and test cocks shall be accessible from the top of the device. Test cocks shall be protected from debris by a plug. The Double Check Detector Backflow Prevention Assembly shall be a ZURN WILKINS Model 950XLTDA. keywords: Fire Protection System,Retail,Office,Commercial,Fire Protection Systems,Industrial,School Systems,Educational Facilities,Universities,Hospitality,Government Buildings,High Rise Buildings,Sports Complex/Recreational Center,Residential Multi-Family,Residential/Light Commercial,Residential Single-Family,Correctional/Institutional,Architectural/Aesthetics,Hose Systems,Multi-Story,Food Service,Industrial/Processing Plant,Double Check Detector Assembly,Zurn Wilkins Backflow Preventers,Military,Healthcare,Water Conservation,Zurn Wilkins,,50XLTDA,0XLTDA,2-950XLTDA

Technical specification

Unique ref.zurn-950xltda
Product familyBackflow Preventers
Product groupDouble Check Detector Assembly
TypeObject (single object)
Date of publishing2025-09-02
Edition number1

Links

Product urlhttps://www.zurn.com/products/water-control/backflow-preventers/950xltda
Installation instructionshttps://files.zurn.com/care-cleaning-install-warranty-sheets/is950xltda.pdf
Technical descriptionhttps://files.zurn.com/spec-sheets/bf-950xltda.pdf

Material mainBronze
Material secondaryStainless steel
Designed inUnited States

Classification

BIMobject CategoryPlumbing - Valves

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States