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
发售地区
北美 |
---|
伯利兹 |
加拿大 |
危地马拉 |
古巴 |
哥斯达黎加 |
圣卢西亚 |
圣基茨和尼维斯 |
圣巴泰勒米 |
圣皮埃尔和密克隆群岛 |
多米尼克 |
多米尼加共和国 |
安圭拉 |
安提瓜和巴布达 |
尼加拉瓜 |
巴哈马 |
巴巴多斯 |
巴拿马 |
库拉索 |
开曼群岛 |
格林纳达 |
格陵兰岛 |
法属圣马丁 |
波多黎各 |
洪都拉斯 |
海地 |
牙买加 |
特克斯和凯科斯群岛 |
特立尼达和多巴哥 |
瓜德罗普 |
百慕大 |
美国 |
美属维尔京群岛 |
聖文森與格瑞那丁 |
英属维尔京群岛 |
荷属圣马丁 |
荷蘭加勒比區 |
萨尔瓦多 |
蒙塞拉特岛 |
阿鲁巴 |
马提尼克 |
墨西哥 |