BIM 对象 - 免费下载！ Wilkins 375ADA Reduced Pressure Detector Backflow Preventer

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

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规格

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.

技术规格