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Author Topic: Brass Valve????  (Read 881 times)

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Offline lptools

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Brass Valve????
« on: November 06, 2018, 06:04:02 PM »
Hello, Does anyone recognize this fitting?? The pin at top center depresses. Petcock? Boiler? This was in with some other miscellaneous fittings from a plumbing/HVAC repair shop. Thanks, Lou
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Offline J.A.F.E.

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Re: Brass Valve????
« Reply #1 on: November 06, 2018, 07:23:03 PM »
Looks like the needle valve from a carb. The float has a small arm that closes the valve. The needle is the silver piece and should be free.
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Offline papadan

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Re: Brass Valve????
« Reply #2 on: November 07, 2018, 12:01:04 AM »
Looks like a vent plug from a gear box to me. Being from a plumbing company, it was probably off an auger or a larger threading machine. Oil expandes when it gets hot and this plug relieves the pressure so it does not blow out the seals.  $.02
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Offline rr

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Re: Brass Valve????
« Reply #3 on: November 07, 2018, 08:46:25 PM »
plug for a valve ,hot water or chill water flow control . plug threads into valve body, an actuator (pneumatic ,electric ect ) mounts on top of plug and is mechanically connected to stem ( not a pin ) .control signal to actuator  opens or closes flow (moves stem  up or down ) in proportion to deviation of said signal .
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