The backflow preventer is provided with a cylindrical housing. The housing has a flow transition zone, a proximal orifice/ball seat, a ball with a specific weight that equals or is close to the specific weight of the surrounding fluid, and a distal retaining screen. The housing can have a ...
Drain Backflow Preventer One Way Valve Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen, You can get more details about Drain Backflow Preventer One Way Valve Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes i
Built-in drain type backflow preventer The utility model discloses a built-in draining-type backflow preventer, which is characterized in that the backflow preventer comprises a valve body and a... 季能平 被引量: 0发表: 2008年 Sprinkler system with relief and backflow preventer valve US6827288...
American Backflow is a master parts distributor. We carry backflow repair parts and backflow preventers for Ames, Conbraco, Watts, Febco, Wilkins and more.
a2.2.2.10 Install backflow preventers equipped with manual shut-off valves on each side of the backflow 2.2.2.10在回流的每边安装回流防护设备装备手工停机阀[translate] aAdditionally, provide a backflow preventer by-pass line and normally closed shut-off valve on combined[translate]...
Backflow Preventer Valve Repair or Replacement Sometimes these units need a little maintenance. They need a replacement or just some repair. It’s easy to see how this can happen. Plumbing elements are constantly subjected to water and are at risk of corrosion. Gaskets get old. Valves begin to...
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Backflow Preventers and Relief Valves the model for three control scenarios: 1) a passive system, 2) a passive system with a tide gate (backflow preventer), and 3) a tide gate and three actuators (a pump, a valve, and an inflatable dam) controlled through MPC. ... 被引量: 0发表: ...
Plastic Core Type Backflow Preventers Brass Non-Return Valve with Filter Mesh Technical Specification Non-return valve spring loaded Brass hot stamped valve Maximum working pressure : PN10 Maximum working temperature:90°C Horizontal,vertical or oblique fixing ...