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ABYC Propane Standards
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journey on



Joined: 03 Mar 2005
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PostPosted: Sun Mar 21, 2010 9:47 pm    Post subject: Reply with quote

Joel, I looked at Defender for propane valves and of the 3 listed, all were rated for over 300 psi. The ABYC requirement is 250 psi for components subject to cylinder pressure.

Wouldn't this allow you to use a single shutoff valve?

Boris
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SEA3PO



Joined: 02 Nov 2003
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PostPosted: Mon Mar 22, 2010 1:10 am    Post subject: Reply with quote

Yes that would work well.... I wonder why West Marine does not sell high pressure valves......
I wrote to Trident marine...the maker of my gas control system...($170) and asked if their control switch would work with a high pressure valve and why they didn't offer one...will be interested in their answer...

Tonight I had the heater running on a small propane tank...and noticed the line pressure on the high side was 80psi...probably running out..the heater ran just super...I ran it for about an hour just to see if anything around it would get hot....nope...you can put your hand on the sides ...warm but not hot...heaven help you if you touch the front though....plenty caliente

Joel
SEA3PO
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rogerbum



Joined: 21 Nov 2004
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PostPosted: Mon Mar 22, 2010 3:30 pm    Post subject: Reply with quote

SEA3PO wrote:
<stuff clipped>
Tonight I had the heater running on a small propane tank...and noticed the line pressure on the high side was 80psi...probably running out..the heater ran just super...<more stuff clipped>

Joel
SEA3PO

Joel,
80psi is what you would get if the liquid in the tank was around 50F (+/- a bit). Note that as gas is used, the liquid boils off. The boiling process and expansion produces a cooling of the liquid and a reduction in the gas pressure. So 80psi doesn't necessarily indicate the tank is running out.

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