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bypass valve

A blow-off valve (BOV), dump valve or compressor bypass valve (CBV) is a pressure release system present in most turbocharged engines. Its main purpose is to take the load off the turbocharger when the throttle is suddenly closed.

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  1. G

    Automatic Bypass Valve .. CLARIFICATION

    Right , I spent the whole day arguing with my work partner about the need for an automatic bypass valve. I've been taught that its a requirement where as he says that its not and that its against the 'laws of plumbing' to install TRVS on all rads . He says you have to have one without a TRV on...
    • GomezZz
    • Thread
    • automatic bath bathroom baxi boiler boilers bypass bypass valve central heating system circulation combi fitting flow install metal overheat plumbing radiator system towel rail trv valve valves work
    • Replies: 59
    • Forum: Plumbing Jobs | The Job-board
  2. P

    boiler call

    had a call today from a customer when he turns the boiler off it still heats up and he can hear it bubbling. im thinking bypass valve or maybe stat aswell
    • pauls
    • Thread
    • boiler bubbling bypass valve central heating system combi flow hot hot water oil switch valve water
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  3. R

    Honeywell bypass valve on suprima

    Hi, I have just been updating a heating system which previously had a gatevalve as a bypass with a honeywell automatic bypass - I cant seem to find any instructions anywhere for the suprima 50 - To set the valve it needs the minimum flow rate for the boiler? Can anyone help? The pump...
    • Readingplumber
    • Thread
    • bar bathroom boiler bypass bypass valve central heating system flexible flow gas handyman head honeywell pipe pump shower suprima system valve y plan
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  4. K

    Is it a differential pressure bypass valve i need?

    Hi can anybody help me please ? Problem.I have a 250ltr mains pressurized (3bar) hot water tank. On the hot side i have fitted a tmv to supply my domestic at 55c.As the water in the tank is 80c + i want to divert the excess back into the cold feed to slow the cooling down of the entire tank.Can...
    • keith1st
    • Thread
    • bar bypass bypass valve cold differential divert free high hot hot water mains pressure problem solar supply tank temperature valve water
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
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