Wilkins 475STDAR Reduced Pressure Detector Assembly, 4" to 10", Lead-Free*

Wilkins 475STDAR Reduced Pressure Detector Assembly, 4" to 10", Lead-Free*

Designed for drop in replacement of Zurn Wilkins Model 475DA and new 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 475STDAR shall provide protection where a potential health hazard exists. The configuration 475STDARV is for applications requiring vertical flow up. Incorporates metered by-pass to detect leaks and unauthorized water use. Meets the requirements of NSF/ANSI 61*

*Product contains weighted average lead content less than 0.25% for wetted surfaces.

Specifikation

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, spool, and access cover shall be 304L Stainless Steel, 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 475STDAR.

Teknisk specifikation

Unik ref.zurn-475stdar
ProduktfamiljBackflow Preventers
ProduktgruppReduced Pressure Principle Assembly, Detector
TypObjekt (enstaka objekt)
Publiceringsdatum2025-09-02
Edition nummer1

Länkar

Produkt-urlhttps://www.zurn.com/products/water-control/backflow-preventers/475stdar
Installationsinstruktionerhttps://www.zurn.com/Media-Library/web_documents/pdfs/installation/IS475ST.pdf
Produktcertifieringhttp://www.zurn.com/products/water-safety/backflow-prevention/475stdar#Features
Teknisk beskrivninghttps://files.zurn.com/spec-sheets/bf-475stdar.pdf

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Designad iUSA

Klassificering

BIMobjektkategoriRörläggning - Ventiler

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