系列CU7
铜阀体
双止回防回流阀
DN15和DN25
SERIES CU7
Copper-bodied
Dual Check Backflow Preventers
Sizes: ¹/₂" and 1" (15, 25mm)

说明
DESCRIPTION

　　CU7直线管、提升型结构压降最小，流量特性曲线平稳圆滑。能够进行水平安装或垂直安装。系列CU7的阀体为铜结构，不含铅，是一种被证明为持久耐用的材料。所有型号的标准配置为双接头，易于安装和维修。
　　The straight line, poppet-type construction of the CU7 minimizes pressure drop and provides smooth flow characteristics. It can be installed horizontally or vertically.The copper body of the Series CU7 is lead free and is of a time proven durable material. All models are standardly furnished with double unions for ease of installation and repair.

标准
STANDARDS

　　通过美国国家标准化组织(ANSI)和美国卫生工程师协会(ASSE)标准1024的检测和认证。
　　Tested and certified to meet ANSI/ASSE Standard 1024.

规格说明
SPECIFICATIONS

　　这种双止回防回流阀应该满足美国卫生工程师协会(ASSE)1024标准。这种阀门阀体应该是铜管结构，应该配置便于安装的双接头。止回阀模块应该是模块化结构设计，应该包括限制止动装置以防止过压或由于水锤现象或热膨胀损坏止回阀。每个止回阀应该都配置中心和边缘引导，确保可更换阀座密封和最小的局部磨损。这种双止回阀应该是美国瓦茨调节阀公司的系列CU7。
　　The dual check backflow preventer shall meet ASSE 1024.The valve body shall be of copper tube construction and shall be furnished with double unions to facilitate installation. The check module shall be of a modular design and shall include limit stops to prevent over compression or damage to the check valves due to water hammer or thermal expansion. Each check valve shall be both center and edge-guided to ensure repeatable seating and minimize localized wear. The dual check shall be Watts Regulator Company's Series CU7.

可提供的产品
PRODUCT AVAILABILITIES

　　系列CU7：可提供的进口/出口连接 - 类型，可提供的订购编码、通径。
　　Series CU7: Inlet/Outlet Connections - Types available, ordering code, sizes available

材料
MATERIALS

　　铜阀体，耐腐蚀塑料止回模块，硅阀瓣和丁纳橡胶密封，不锈钢弹簧。
　　Copper body, corrosion resistant plastic check modules, silicone discs and Buna 'N' seals, stainless steel springs.

压力 / 温度
PRESSURE / TEMPERATURE

　　最大压力：175 psi (12 bars)
　　最小压力： 10 psi (69 kPa)
　　工作温度： 持续温度0.6至82^oC
　　Maximum Pressure: 175 psi (12 bars)
　　Minimum Pressure: 10 psi (69 kPa)
　　Working Temperature: 33 to 180^oF (.6 to 82^oC) continuous.