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Wilkins 350DA Double Check Detector Backflow Preventer, 2-1/2" to 12", Lead-Free*
Zurn

Wilkins 350DA Double Check Detector Backflow Preventer, 2-1/2" to 12", Lead-Free*

3.6 out of 5 stars3.6(7 reviews)
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 350DA shall provide protection where a potential health hazard does not exist. 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.
Specification
  • The Double Check Detector Backflow Prevention Assembly shall be certified to NSF/ANSI 61, ASSE® Listed 1048, and supplied with full port 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 first and second check valves shall be accessible for maintenance without removing the device from the line. The Double Check Detector Backflow Prevention Assembly shall be a ZURN WILKINS Model 350DA.
Technical specification
  • Unique ref.zurn-350da
  • Product familyBackflow Preventers
  • Product groupDouble Check Detector Assembly
  • TypeObject (single object)
  • Date of publishing2017-01-16
  • Edition number1
Links
Related
  • Designed inUnited States
Classification
  • BIMobject CategoryPlumbing - Valves

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