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Thread: Pilot Operated Check Valve

  1. #1
    Non qualified Domestic Engineer
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    Default Pilot Operated Check Valve

    I'm looking for a small, brake fluid compatable, pilot operated check valve/shuttle valve.
    Does anybody know of a factory type or can think of a valve that could be modified to achieve the same result?
    Quote Originally Posted by oldcorollas
    except for a very few exceptions
    "Don't worry what people think, they don't do it very often."

    Daily: Glorified Taxi (F6 Typhoon). Out Of Action: Twin-charged Adub. Ongoing Nightmare: Over re-engineered (not) Alfa Romeo 75.

  2. #2
    Junior Member Automotive Encyclopaedia
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    Default Re: Pilot Operated Check Valve

    A drag racers front wheel line lock?
    'I've scrapped better.' John stated when asked about the car by the guy with the silver tipped cowboy boots!

  3. #3
    Non qualified Domestic Engineer
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    Default Re: Pilot Operated Check Valve

    That has been thought of, but i'm trying to achieve a hydraulic parking brake that is independant of the main brakes and doesn't rely on any external power supply. I know it takes bugger all power, but I still want it to be battery free. I may still end uo using a electric shut off valve. A solenoid operated directional control valve (DCV) may also do the job.
    Quote Originally Posted by oldcorollas
    except for a very few exceptions
    "Don't worry what people think, they don't do it very often."

    Daily: Glorified Taxi (F6 Typhoon). Out Of Action: Twin-charged Adub. Ongoing Nightmare: Over re-engineered (not) Alfa Romeo 75.

  4. #4
    Junior Member Automotive Encyclopaedia
    Join Date
    Jul 2006
    Location
    NSW
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    990

    Default Re: Pilot Operated Check Valve

    If it is used in an automotive application, I dont think it will be considered roadworthy.

    If you are planning to alter brakes in an aeronautical application (Pilot Operated).., I dont think CASA would be impressed either
    Last edited by wa5; 08-03-2009 at 02:02 PM.

  5. #5
    Junior Member Backyard Mechanic
    Join Date
    Jun 2008
    Location
    NSW
    Posts
    396

    Default Re: Pilot Operated Check Valve

    Hydraulic handbrakes are not permitted unless you have both a hydraulic & mechanical handbrake. Some rally cars have both to be registerable.

    Burkett sell all types of electric solenoid valves. Ask if they have a brake fluid compatible seal.

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