When.com Web Search

  1. Ads

    related to: lowe's pvc shut off valves for pools

Search results

  1. Results From The WOW.Com Content Network
  2. Pool suction-drain injury - Wikipedia

    en.wikipedia.org/wiki/Pool_suction-drain_injury

    In 1982, the Consumer Product Safety Commission reported that five children were disemboweled by drains in wading pools and urged pools to install covers on drains. [ 2 ] [ 3 ] A standard 8 inches (20 cm) main drain can develop up to 350 pounds (160 kg) of force, which could hold a person underwater in tight grip until the suction is released.

  3. Shutdown valve - Wikipedia

    en.wikipedia.org/wiki/Shutdown_valve

    A shutdown valve (also referred to as SDV or emergency shutdown valve, ESV, ESD, or ESDV; or safety shutoff valve) is an actuated valve designed to stop the flow of a hazardous fluid upon the detection of a dangerous event. This provides protection against possible harm to people, equipment or the environment.

  4. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    Pilot valve: regulates flow or pressure to other valves; Petcock, a small shut-off valve; Pinch valve, "beach ball valve": simple, single-part two-port check valve made from soft plastic and molded onto inflatable units such as beach balls, air mattresses, water wings; can be inflated by pump or by mouth

  5. Isolation valve - Wikipedia

    en.wikipedia.org/wiki/Isolation_valve

    Isolation valves must effectively stop the passage of fluids. [4] Gate valves, ball valves and plug valves are generally considered to provide tight and effective shut-off. Globe valves and Butterfly valves may not be tight shut-off due to wear on the plug or the seat, or due to their design, and may not be appropriate to provide effective ...

  6. Valve - Wikipedia

    en.wikipedia.org/wiki/Valve

    The shut off butterfly valve for a Francis turbine at Gordon Power Station, Tasmania Ball valve. The "seat" is the interior surface of the body which contacts the disc to form a leak-tight seal. In discs that move linearly or swing on a hinge or trunnion, the disc comes into contact with the seat only when the valve is shut.

  7. Plumbing - Wikipedia

    en.wikipedia.org/wiki/Plumbing

    PVC/CPVC – rigid plastic pipes similar to PVC drain pipes but with thicker walls to deal with municipal water pressure, introduced around 1970. PVC stands for polyvinyl chloride, and it has become a common replacement for metal piping. PVC should be used only for cold water, or for venting. CPVC can be used for hot and cold potable water supply.