对夹式双瓣止回阀-DDCV,H77X止回阀- 上海昆炼阀门制造有限公司
DDCV、H77X对夹式双瓣止回阀 由阀体、阀瓣、阀杆及弹簧等零件组成，采用对夹连接。 由于阀瓣的关闭行程短，并且有弹簧加载，可减少水锤现象。 对夹式双瓣止回阀主要使用与城市、工业及建筑给水、排水管网上。 由于其结构长度比一般止回阀短，适用安装空间限制的场所。 对夹式双瓣止回阀采用对夹式安装，主要用于管路中或水泵出口处，用于水泵停机时以免管路中介质倒流，压差永锤冲击水泵倒转的装置。 对夹式双瓣止回阀具有体积小、重量轻、便于安装维修， …
Double Check Valve Assembly - How It Works - YouTube
This video illustrates how a Double Check Valve Backflow Prevention Assembly functions....more.
Double Check Valve Assemblies - Watts
Designed for use in non-health hazard cross-connections and continuous pressure applications subject to backpressure or backsiphonage incidents, such as lawn sprinklers, fire sprinkler lines, commercial pools, tanks and vats, and food cookers. Have a question or two? Visit our Customer Support page to find the answers you're looking for.
The Series 8800W Dual Disc Check Valve is ruggedly constructed with bronze discs and stainless steel trim to give years of trouble free operation. The valve should be installed in horizontal or vertical flow up pipes carrying clean water. The valves can be equipped with special springs for operation in blower air service (Series 8900W).
DDCV Abbreviation Meaning - All Acronyms
The abbreviation DDCV typically stands for Double Detector Check Valve, a device used in plumbing systems to prevent backflow while allowing for the simultaneous detection of water flow in both directions. This mechanism is crucial for maintaining water …
Dddcv - YouTube
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DDCV - Double Detector Check Valve - All Acronyms
DDCV stands for Double Detector Check Valve, a device used in plumbing and water supply systems. This abbreviation is commonly utilized in the context of backflow prevention and is especially relevant in fire protection systems to ensure …
DDCV ∙ Double Door Check, Wafer – ALEUM
Technical Features • Sizes: 2”, 2.5”, 3”, 4”, 5”, 6”, 8”, 10”, 12”, 14”, 16” • Approvals: UL, ULC, FM, NSF-61, NSF-372 • Working Pressure: 300PSI • Maximum Working Temperature: 212ºF (100°C) • Coating / Lining: AWWA C550 Download Spec...
Double Detector Check Valve with By-Pass | Dixon - Dixon Valve
Single Detector Check Valve with Spacer By-Pass. Image. Spring-Loaded Inline Check Valve BSP
Double Detector Check Valve Assembly – RMC Reliance Valves
The Double Detector Check Valve Assembly backflow preventer protects against backflow, by either back-pressure or back-siphonage, from a cross-connection between potable water systems and substances, in ‘medium hazard’ conditions. It is designed for use in fire service systems and allows monitoring of small draw-offs of water via the bypass.