Part number for PA28-181 wing tank drain valve

Part number for PA28-181 wing tank drain valve

I’m trying to confirm the part number for a PA28-181 wing tank drain valve. 

Previous posts on this forum indicate Curtis valve, PN CCA-1550, is used on some PA 28 models.  The Curtis information on the Aircraft Spruce website http://www.aircraftspruce.com/catalog/a … uickdv.php
indicates the CCA-1550 has a 1/8” NPT thread.

Saf-Air’s website http://saf-air.com/fuel_valves.html indicates their part number CAV-160 will fit the PA-28.  However, the website indicates the CAV-160 has a ¼” NPT thread.

Can anyone confirm the correct Curtis and Saf-Air part numbers?  Are there recommendations for Curtis vs. Saf-Air?

Thanks in advance for any assistance.

Joe

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Re: Part number for PA28-181 wing tank drain valve

My parts book shows the Piper P/N to be 492-022 which crosses to a CCA-1550.

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Re: Part number for PA28-181 wing tank drain valve

The CCA-1550 is the correct part

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Re: Part number for PA28-181 wing tank drain valve

When you are going to install the drain valves are you going to use any kind of sealant for the the threats of the valve or are you going to install them without any?

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Re: Part number for PA28-181 wing tank drain valve

I normally install these valves dry. The valves are made of brass with a pipe thread and leaks are very rare. I would NOT advise using teflon tape as this can plug screens and orifices. If lubricant must be used there is a product called Fuel Lube, it is approved and will not contaminate the fuel system.

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Re: Part number for PA28-181 wing tank drain valve

Tom Wrote:
-------------------------------------------------------
> I normally install these valves dry. The valves
> are made of brass with a pipe thread and leaks are
> very rare. I would NOT advise using teflon tape as
> this can plug screens and orifices. If lubricant
> must be used there is a product called Fuel Lube,
> it is approved and will not contaminate the fuel
> system.

Thanks Tom, I bought the valves and I will be installing them shortly, hopefully will be no leaks but if there is I will use the Fuel Lube that you recommended.

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Re: Part number for PA28-181 wing tank drain valve

Definitely DO NOT use Teflon tape on diesel, jet fuel or gasoline.  It will leak after a few days and you will tighten it because they will feel loose.  After a couple of times thinking you screwed up, you will fracture the female fitting and that is very expensive.

Use a very of small amount of Federal Process GasOila or Rectorseal.  They are standards of the petroleum equipment industry and both work well.

The valves should be relatively cheap.  I had all three of mine replaced a couple years ago and I think they were only about $6-8 each.

Good Luck

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