|
Series 7 should be installed downstream of the water meter and of the water pressure regulator.
|
|
|
系列7应该安装在水表和水压力调节器的下游。 |
|
Series 709DCDA Double Check Detector Assemblies are designed exclusively for use in accordance with water authority containment requirements.
|
|
|
系列709DCDA双止回阀检测器总成专用于满足水主管部门的密封要求的应用场合。 |
|
Series 719 Double Check Valve Assemblies are designed to protect drinking water supplies from dangerous cross connections in accordance with national plumbing codes and water authority requirements.
|
|
|
系列719双止回阀总成用于保护饮用水不会受到危险的交叉连接的影响,符合美国管道产品有关规定及水主管部门的有关要求。 |
|
Series 719 Double Check Valve Assembly shall be installed at each noted location.
|
|
|
系列719双止回阀总成应该安装在每个标注的位置上。 |
|
Series 774 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.
|
|
|
系列747双止回阀总成用于防止污水回流进入饮用水系统中。 |
|
Series 774DCDA Double Check Detector Assemblies are designed for use in accordance with water utility non-health hazard containment requirements.
|
|
|
系列747DCDA双止回阀总成用于符合自来水公司非健康危害密封要求的应用场合。 |
|
Series 774X Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering the potable water system.
|
|
|
系列747双止回阀总成用于防止污水回流进入饮用水系统中。 |
|
Series 774X consists of two independently operating check valves located between two resilient seated shutoffs with four ball valve type test cocks.
|
|
|
系列774X有两个独立运行的止回阀,位于两个弹性阀座关闭阀之间,并配置四个球阀类型的测试旋塞。 |
|
Series 774XDCDA Double Check Detector Assemblies are designed to prevent the reverse flow of polluted water from entering the potable water supply.
|
|
|
系列747XDCDA双止回阀检测器总成用于防止污水回流进入饮用水系统中。 |
|
Series 774XDCDA contains two independently operating check valves located between two resilient seated shutoffs with four ball valve type test cocks and a hydraulically balanced metered bypass line to detect low flows.
|
|
|
系列774XDCDA包含两个独立运行的止回阀,位于两个弹性阀座关闭阀之间,并配置四个球阀型测试旋塞,以及一个液压平衡仪表旁路管线用于检测低流量。 |
|
Series 775 Double Check Valve Assemblies provide protection of the potable water supply for non-health hazard cross-connections.
|
|
|
系列775双止回阀总成防止交叉连接处非健康危害的流体污染饮用水供应系统。 |