Jeff Wisnia wrote:



So, what is considered a "safe and acceptable" standard purging routine
for propane containers?


snipped

Googled this up at several locations...:

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Have your LP-gas container purged. It only takes a few minutes and your LP-gas
dealer is equipped to perform this service (see NPGA bulletin 133-a).

To purge a container, the following steps should be taken:

1. Purging of containers should be performed in an approved area (see NFPA
#58)

2. Determine if the container pressure is zero. Should the container contain
only air pressure, the air may be vented directly to the atmosphere through
the service valve.

3. If free water is present in the container, it should be drained.

4. Pressurize the container to approximately 15 PSIG with LP-gas vapor. Never
purge with liquid LP-gas; to do so will cause the moisture vapor to chill and
remain in the container.

5. Fully open the container service valve and vent safely to the atmosphere.

6. Repeat the fourth and fifth steps for a total of five purgings.

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Jeff


--

Jeff Wisnia (W1BSV + Brass Rat '57 EE)

"If you can smile when things are going wrong, you've thought of someone to
blame it on."