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Wilkins 375ADA Reduced Pressure Detector Backflow Preventer
Wilkins

Wilkins 375ADA Reduced Pressure Detector Backflow Preventer

The Reduced Pressure Detector Backflow Prevention Assembly shall be certified to NSF/ANSI 61, ASSE® Listed 1047, and supplied with full port OS & Y gate valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536), the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks and the relief valve shall be accessible for maintenance without removing the device from the line. The Reduced Pressure Detector Backflow Prevention Assembly shall be a ZURN WILKINS Model 375ADA

Compliance:

  • ASSE® Listed 1047 (2 1/2" - 8")
  • CSA® Certified B64.4 (2-1/2" - 8")
  • AWWA Compliant C550
  • UL® Classified
  • C-UL® Classified
  • FM® Approved
  • USC Approved
  • NSF/ANSI/CAN 61

Features:

  • Sizes: 2 1/2"*, 3"*, 4", 6", 8", 10"
  • 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
  • (Flanged) ANSI B16.1 Class 125
  • *2 1/2" & 3" sizes use 4" body & reducer coupling

Keywords: Reduced Pressure Detector Backflow Preventer, zurn backflow preventer, backflow preventer, reduced pressure backflow preventer, wilkins backflow preventer, Zurn wilkins backflow preventers

Specification
  • Designed for installation on water lines in fire protection systems to protect against both backsiphonage and back­pressure of contaminated water into the potable water supply. The Model 375ADA shall provide protection where a potential health hazard exists. Incorporates metered by-pass to detect leaks and unauthorized water use.

Technical specification
  • Unique ref.zurn-375ada
  • Product familyBackflow Preventers
  • Product groupReduced Pressure Principle Assembly
  • TypeObject (single object)
  • Date of publishing2025-09-02
  • Edition number1
Related
  • Material mainDuctile Iron
  • 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
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