What is Ball Pig Valve? and its function? What does Car Seal Open mean 1

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Anyone who knows the answers please send it to me at shgqian@hotmail.com.
Thank you very much in advance!
Best regards!

Sincerely,

Donald Qian

 

[Montemayor]

Donald:

Both subjects have been dealt with on these Fora ad nauseam. You should use the convenient search engine at the top of this page to find the corresponding threads where these subjects are discussed.

I doubt if you are going to receive private emails giving you the answers. Your wait may be rathe long. That is what this Forum is for.