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NRALIFR

Truck Camping Out West

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Joined: 11/27/2005

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Posted: 11/25/20 09:46am Link  |  Quote  |  Print  |  Notify Moderator

silversand wrote:

.............

NRALIFR:

I bled (rather, purged) our horizontal cylinder myself (with a qualified gas tech), the first time it was filled. That end cap on the bleeder spigot is interesting. I can't recall if our tank has that. On edit: OK, I can remember now; I have no cap, and the screw is indeed exposed.

On edit: was the 12 year initial requalification period reduced from 12 years to 10 years in 2017? And, the subsequent requalification period lengthened from 7 to 10 years?

Also, a question to everyone: do you have your brand new propane cylinders "purged" before first filling?


Silver, here’s a better picture of the new valve. I suspect the screw you loosened to purge your tank was the bleed screw, rather than what is under the red cap on my valve.

[image]

I looked at the OPD valves on all of my old tanks, and guess what? NONE of them have that red cap. Maybe that’s a recent thing on them, and will just be phased in as the old valves are replaced.

My second old horizontal cylinder still has its original valve, and it looks like this (no red cap):

[image]

All of my older cylinders have a valve that looks more like this, with no red cap. Did they ever have that, I can’t say but I find it hard to believe that they all just fell out. I’m going to guess that the purpose of the red cap is to give a visual indication that the pressure relief valve has vented. It seems like you’d want to know that. With the older valves, the relief valve could vent and you may never know it.

As far as the requalification period, I can only refer you back to the two links I posted earlier. They only mention a 5, 7, and 12 year period, and it’s totally dependent on what type of qualification test is performed.

I do remember that when I brought my two new horizontal cylinders to be filled the first time, they were purged as well. What they did, I couldn’t tell you because I left them and came back a few hours later to pick them up.

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2001 Lance 1121 on a 2016 F450


Kayteg1

California > Nevada

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Joined: 06/18/2015

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Posted: 11/25/20 10:07am Link  |  Quote  |  Print  |  Notify Moderator

Filling up monitoring by opening the bleeder is old school and environmentally bad.
Our Costco has best propane prices for whole city and they use precise scale.
Guy reads the tare weight on the tank, adds allowable propane weight, sets the computer to it and computer is shutting the fill at proper weight.
No propane smell.





NRALIFR

Truck Camping Out West

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Joined: 11/27/2005

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Posted: 11/25/20 10:30am Link  |  Quote  |  Print  |  Notify Moderator

But....but....but......

I love the smell of propane in the morning!

It smells like......propane.

In the morning! [emoticon]

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StirCrazy

Kamloops, BC, Canada

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Joined: 07/16/2003

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Posted: 11/26/20 05:36am Link  |  Quote  |  Print  |  Notify Moderator

silversand wrote:


Also, a question to everyone: do you have your brand new propane cylinders "purged" before first filling?


Always, you need to get any air out of there befor filling you it will prevent you from a full tank and can cause flame out issues as you tank gets lower I learned. I buy my tanks at costco and they purge them for free when you get them filled. even if you are filling them a couple years laiter and you ask the guy can he do a purge they will.

Steve


2014 F350 6.7 Platinum
2016 Cougar 330RBK

silversand

Montreal

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Joined: 09/12/2004

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Posted: 11/26/20 05:58am Link  |  Quote  |  Print  |  Notify Moderator

StirCrazy wrote:

Always, you need to get any air out of there befor filling you it will prevent you from a full tank and can cause flame out issues as you tank gets lower I learned.


That's what I have down, too, with all our 20LB BBQ tanks. Had them purged at the local gas plant before having them filled. They do the purge 3 or 4 times before filling, with some attachment gadget with pressure gauge attached. They purge the tank by emptying out the cylinder's factory air fill, then they turn the tank to empty out any water, then, they attach a gas supply, and do a complete gas-through, 3 or 4 times. Then they actually fill the tank. I will shoot some video next time I have a brand new cylinder done again. I will be buying a 40 LB cylinder for a new propane back-up generator we will be getting soon.

I was warned at the gas plant that if my brand new cylinder was not initiated properly, the air in the new cylinder added by the cylinder manufacturer would be full of humidity, and if that humidity (or, any condensed water inside the cylinder) would ruin any gas applience connected to the cylinder (gas fridge, gas water heater, gas furnace, and, regulators!

* This post was edited 11/26/20 06:15am by silversand *


Silver
2004 Chevy Silverado 2500HD 4x4 6.0L Ext/LB Tow Package 4L80E Michelin AT2s| Outfitter Caribou

silversand

Montreal

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Posted: 11/26/20 06:02am Link  |  Quote  |  Print  |  Notify Moderator

NRALIFR wrote:

I looked at the OPD valves on all of my old tanks, and guess what? NONE of them have that red cap.


Thanks for those excellent photos! And yes, indeed, the "bleed screw" as you annotate, is the screw that was used to bleed the tank. That's the one!

I went outside to check our two BBQ cylinders (with OPD), and no plastic caps on those either. My BBQ tanks are 3 years and 5 years old respectively. Payed around ~ $24 Canadian dollars each at a local Walmart.

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