| 单词 | backflow preventer | ||||||||||||||||
| 释义 | backflow preventer
更多释义 收起释义 例句释义: 回流防止器,防回流阀,防回流装置 1. The hose connection backflow preventer shall consist of two independently operating check valves with an intermediate atmospheric vent. 这种软管连接防回流阀应该包括两个独立运行的止回阀，这些止回阀带中间大气排气口。 dictsearch.appspot.com 2. Caution: Do not install a strainer ahead of the backflow preventer on seldom-used, emergency water lines (i. e. fire sprinkler lines). 警告：在平时很少用，只在紧急状态下使用的管线（即消防喷淋管线）上的防回流阀前不要安装过滤器。 dictsearch.appspot.com 3. ASSEMBLY: If the backflow preventer is disassembled during installation, it MUST be reassembled in its proper order . 组装：如果在安装期间拆卸了防回流阀，则必须按照正确的顺序重新组装。 dictsearch.appspot.com 4. Can be temporarily removed for replacement of the backflow preventer without the need for replacement of freeze protection services . 可以暂时性拆卸，在不需要更换防冻装置的情况下，便于更换防回流阀。 www.bing.com 5. The shutoff valve with the test cock is to be mounted on the inlet side of the backflow preventer. 带测试旋塞的关闭阀应该安装在防回流阀的进口侧。 www.h6688.com 6. Allows for the installation of the backflow preventer "at the service connection" in accordance with AWWA Standards. 允许在“维修连接处”安装防回流阀，符合美国自来水厂协会的标准。 www.h6688.com 7. A strainer should be installed ahead of the backflow preventer to protect all internal components from unnecessary fouling. 在防回流阀前应该安装一个过滤器，以保护所有内部部件不会受到不必要的污染。 www.h6688.com 8. NOTE: DO NOT USE A PIPE WRENCH TO REMOVE THE RELIEF VALVE ASSEMBLY FROM THE BACKFLOW PREVENTER. 注意：不要使用管钳从防回流阀上拆卸安全阀总成。 www.h6688.com 9. A combination fill valve and backflow preventer shall be installed on the boiler feed line to provide make-up water to the boiler. 在锅炉进水管道上应该安装组合进水阀和防倒流阀，为锅炉提供补给水。 dictsearch.appspot.com 10. The 957 and 957RPDA backflow preventer should be tested by a certified tester at the time of installation. 在安装期间，957和957RPDA防回流阀应该由有资格证书的检验员进行检验。 www.h6688.com 1. In-line flow restrictor protects the meter measuring element and the backflow preventer components from damage due to excessive flow. 管内流量限制器保护仪表测量元件和防回流阀部件不会因为过大的流量而受到损坏。 www.h6688.com 2. It eliminates the necessity of closing the inlet ball valve which could release pipe scale and foreign matter into the backflow preventer. 差压表避免关闭进口球阀，从而避免由于重新开启时可能会将管道结垢和外部物质冲刷下来，并将其带入防回流阀中。 www.h6688.com 3. DUAL CHECK VALVE BACKFLOW PREVENTER For low hazard cross- connections . Continuous pressure applications . 双止回防回流阀用于低危险交叉连接。持续压力应用场合。 www.bing.com 4. The relief valve may be serviced while on or off the backflow preventer valve. 可以在防回流阀上维修安全阀，或将其从防回流阀拆卸下来维修。 www.h6688.com 5. REDUCED PRESSURE ZONE BACKFLOW PREVENTER For High Hazard Cross-connections and continuous pressure application. 减压区防回流阀用于高危险交叉连接和持续压力应用场合。 www.h6688.com 6. The user installs a dual check backflow preventer at the water meter as prescribed by the supplier of safe drinking water . 双止回阀防回流阀配置一个水表和旁路管道上的双止回阀。 www.bing.com 7. A check valve may be required ahead of the backflow preventer . *Please see "Troubleshooting" , Page 7, prior to installation. 因此在防回流阀前可能需要一个止回阀。请在安装前参阅第7页“故障排除”。 dictsearch.appspot.com 8. The hose connection backflow preventer shall be in line field testable without the use of special test gauges or instruments. 这种软管防回流阀应该可以在线现场检测。不需要采用特殊的检测仪表或仪器。 dictsearch.appspot.com 9. Note: Local codes typically require the use of a backflow preventer in the system (Watts Model 9D) . 注：当地规程一般都要求在系统上使用防倒流装置（美国瓦茨型号9D）。 www.h6688.com 10. The gate valve with the test cock is to mounted on the inlet side of the backflow preventer . 带有测试旋塞的闸阀安装在防回流阀的进口一侧。 dictsearch.appspot.com 1. A strainer should be installed as shown, ahead of the backflow preventer to prevent discs from unnecessary fouling. 应该如图所示安装一个过滤器，安装位置位于防回流阀之前，以防止不必要的污染。更详细。 dict.bioon.com 2. Installing a backflow preventer in a pit or vault is not recommended. 不建议在坑内或拱顶内安装防回流阀。 www.h6688.com 3. Model 994BLT Portable Hydrant Backflow Preventer is designed and manufactured to provide long-term service with minimal maintenance. 型号994BLT移动式消防栓防回流阀的设计和制造理念就是为用户提供长期的使用寿命和最少的维护工作。 www.h6688.com 4. The water utility supply meter may contain a check valve, backflow preventer , or water pressure reducing valve. 自来水公司的供水水表可能包含一个止回阀，防倒流装置，或水减压阀。 dictsearch.appspot.com 5. Contact the factory for specific approvals on the reduced pressure backflow preventer . 如果需要特殊的减压防回流阀的认证，请与工厂联系。 dictsearch.appspot.com 6. a strainer should be installed as shown , ahead of backflow preventer to prevent disc from unnecessary fouling. 应该如图所示安装过滤器，使其位于防回流阀之前，防止阀瓣产生不必要的积垢。 www.ichacha.net 7. A check valve may be required ahead of the backflow preventer. 此时在防回流阀前面可能需要安装一个止回阀。更详细。 dict.bioon.com 8. Backflow preventer manufactured from 300 Series stainless steel for corrosion resistance. 防回流阀采用耐腐蚀的300系列不锈钢制造。 www.h6688.com 9. Slowly open upstream shutoff and allow the backflow preventer to fill slowly. 慢慢开启上游关闭阀，让防回流阀慢慢注满。 dictsearch.appspot.com 10. The valve shall contain a Watts Regulator Model 9D backflow preventer and Model 1156 feed water pressure regulator. 这种阀门包含美国瓦茨调节阀型号9D防倒流阀和型号1156进水压力调节阀。 dictsearch.appspot.com 1. The dual check backflow preventer shall be designed under the ASSE Standard 1024. 这种双止回防回流阀应该按照美国国家标准化组织（ASSE）标准1024进行设计。 dictsearch.appspot.com 2. Performance Requirements for Backflow Preventer with Intermediate Atmospheric Vent 内部媒介大气通风口防回流装置的性能要求 www.isres.com 3. Reduced Pressure Principle Backpressure Backflow Preventer 降压反压回流防止器，同 www.engineermate.com 4. reduced pressure detector assembly backflow preventer 减压检测器组合防回流装置 www.ichacha.net 5. Installation Instructions Watts No. SD-3 Backflow Preventer for Carbonated Beverage Machines 瓦茨型号SD-3防回流阀安装指南，适用于碳酸饮料机械 www.h6688.com |
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