Wilkins 450 Double Check Backflow Preventer, N-Pattern, 2-1/2" to 10", Lead-Free*

Ideal for use where Lead-Free* valves are required. Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. The Model 450 shall provide protection where a potential health hazard does not exist. For applications requiring vertical flow up and vertical flow down. Meets the requirements of NSF/ANSI 61* *Product contains weighted average lead content less than 0.25% for wetted surfaces.

Specification

The Double Check Valve Backflow Preventer shall be certified to NSF/ANSI 61, ASSE® Listed 1015, and supplied with full port gate valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536 Grade 4), 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. Center stem guided design shall incorporate two torsion springs to bias the check in the closed position. The checks shall be accessible for maintenance without removing the device from the line. The Double Check Valve Backflow Preventer shall be a ZURN WILKINS Model 450.

Technical specification

Unique ref.zurn-450
Product familyBackflow Preventers
Product groupDouble Check Assembly
TypeObject (single object)
Date of publishing2017-01-16
Edition number1

Links

Product urlhttps://www.zurn.com/products/water-control/backflow-preventers/450
Installation instructionshttps://www.zurn.com/Media-Library/web_documents/pdfs/installation/IS350-pdf.pdf
Instruction videohttps://www.youtube.com/user/OneZurn
Technical descriptionhttps://files.zurn.com/spec-sheets/bf-450-212-3.pdf

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