Wilkins 450DA Double Check Detector Backflow Preventer, N-Pattern, 4" to 10", Lead-Free*

Designed for installation on potable water lines in fire sprinkler systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 450DA shall provide protection where a potential health hazard does not exist. For applications requiring vertical flow up and vertical flow down. Incorporates metered by-pass to detect leaks and unauthorized water use. NSF® Listed-Standard 61, Annex G* *Product contains weighted average lead content less than 0.25% for wetted surfaces.

Specifikation

The Double Check Detector Backflow Preventer shall be ASSE® Listed 1048 and supplied with full port OS & Y 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. The checks shall be accessible for maintenance without removing the device from the line. The Double Check Detector Backflow Preventer shall be a ZURN WILKINS Model 450DA.

Teknisk specifikation

Unik ref.zurn-450da
ProduktfamilieBackflow Preventers
ProduktgruppeDouble Check Detector Assembly
TypeObjekt (enkelt objekt)
Udgivelsesdato2025-09-02
Udgavenummer1

Links

Produkt-URLhttps://www.zurn.com/products/water-control/backflow-preventers/450da
Monteringsvejledninghttps://www.zurn.com/Media-Library/web_documents/pdfs/installation/IS450-450DA-8-pdf.pdf
Instruktionsvideohttps://www.youtube.com/user/OneZurn
Teknisk beskrivelsehttps://files.zurn.com/spec-sheets/bf-450da.pdf

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Designet iUSA

Klassifikation

BIMobject-kategoriVVS - Ventiler

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