The Double Check Type Backflow Preventer shall be certified to NSF/ANSI/CAN 61, shall be ASSE Listed 1015, rated to 180°F, and supplied with full port ball valves. The main body and access cover shall be low lead bronze (ASTM B 584), the seat ring and all internal polymers shall be Noryl™ and the seat disc elastomers shall be silicone. The first and second check shall be located at an angle and accessible for maintenance from the top of the device, without removing the device from the line. The checks shall share a single access cover and test cocks shall be accessible from the top of the device. The Double Check Type Backflow Preventer shall be a ZURN WILKINS Model 950XL3.
Compliance:
Massachusetts Approved, Meets the requirements of NSF/ANSI/CAN 61 and 372**(Less than 0.25% Weighted Average Lead Content), ASSE® Listed 1015, AWWA Compliant C510, CSA® Certified B64.5, cUPC®, C-UL® Classified, Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
Features:
Keywords: Thermal expansion tank, pressure relief valves, Double Check Backflow Preventer, backsiphonage, Cross Connection Control, double check valve backflow preventer, shut-off valves, water thermal expansion, Double Check Backflow Assembly, cartridge assembly, inlet shut-off valve, EZSwap, shock arresters
지역 가용성
북미 |
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과들루프 |
과테말라 |
그레나다 |
그린란드 |
네덜란드령 카리브 해 지역 |
니카라과 |
도미니카 |
도미니카 공화국 |
마르티니크 |
멕시코 |
몬세라트 |
미국 |
미국령 버진아일랜드 |
바베이도스 |
바하마 |
버뮤다 |
벨리즈 |
생마르탱 |
생바르텔레미 |
생피에르앤드미클롱 |
세인트루시아 |
세인트빈센트그레나딘 |
세인트키츠네비스 |
신트마르턴 |
아루바 |
아이티 |
앤티가 바부다 |
앵귈라 |
엘살바도르 |
영국령 버진아일랜드 |
온두라스 |
자메이카 |
캐나다 |
케이맨 군도 |
코스타리카 |
쿠바 |
퀴라소 |
터크스케이커스 제도 |
트리니다드토바고 |
파나마 |
푸에르토리코 |