Asked by: Guia Villalba
asked in category: General Last Updated: 24th February, 2020

What size thread is a propane tank?

885" diameter thread, 14 threads per inch, National Gas Outlet form, left-hand internal thread. ECII® POL outlet connections for LP-Gases conform to this standard.

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Simply so, what type of thread is on a propane tank?

It has a 3⁄8" diameter thread, and 18 threads per inch, National Pipe Taper Outlet form. CGA 555 is the standard cylinder valve outlet connection for liquid with- drawal of butane and/or propane.

Similarly, what are the different types of propane fittings? Connector types

Name Standard Nominal diameter
POL US (G.9) EN 15202 0.880"
POL-WS (G.10) EN 15202 0.880"
Primus (G.32) EN 15202 14.0 mm
QCC Type 1 (G.9) EN 15202 1-5/16"

Then, what size is the fitting on a propane tank?

The fittings are either 3/8" or 1/4" fitting sizes. When found on hoses, Female NPT fittings are typically 1/4 inch in size. These fittings are commonly found on Extension Hoses, to help the propane system have the necessary length to reach from the tank to the propane accessory.

Are propane tanks reverse threaded?

The reverse threads on a propane tank connection complicate the process of removing the regulator from the tank valve. Turning the correct tool in the right direction will release the bond between the two components and allow you to unhook a propane tank. Propane tanks use reverse threads for connections.

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