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InvisibleJuiceh
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Re: How to Safely Upgrade your All American pc [Re: camplo]
    #22589165 - 11/29/15 04:13 AM (8 years, 2 months ago)

Easily. They put a over pressure valve where the original gauge was. Put a bigger back mounting gauge where the control valve was. And where the original over pressure valve was they put in a T that has another over pressure valve on one side and a twist knob valve that now acts as a non venting control valve on the other side. It has oem over pressure valves so it can't go over 30 psi still so the 60 psi gauge is overkill.

My guess is something broke, gauge\toggle valve and they had these parts laying around and they work, so why bother buying stuff?

It's an older model so it likely came with the toggle valve, maybe replacements were hard to get at the time?


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RogerRabbit said:You need a bigger pressure cooker for this hobby. RR


Edited by Juiceh (11/29/15 04:16 AM)


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Offlinecamplo
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Re: How to Safely Upgrade your All American pc [Re: Juiceh]
    #22589260 - 11/29/15 06:12 AM (8 years, 2 months ago)

I'm not so sure that they are OEM....I can't figure it out tbh. I've only had the over pressure valve go off one time so far, the gauge was reading over 30 but I thought I was messing up some how....I had just woke up...lol. I was slowly sinking and steam was rushing out of the over pressure valve for several minutes, as I woke up, and by the time I looked at the gauge it was in the 40's lol. I figured the gauge mas malfunctioning, which it was, but it had a tendency to stick and under gauge actual pressure. So as of late I have those kinks worked out and run it at 25 usually.

The only valve to go off was the one off of the T. I don't purposely go that high but I'm pretty sure I've hit 30psi and no valve went off...it does start to hint that its getting close though, it starts to leak a little.


Some day soon I'll run it just to test the over pressure valve and see what happens.....


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InvisiblemagicMerlin
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Re: How to Safely Upgrade your All American pc [Re: the_r3dz]
    #22592081 - 11/29/15 07:54 PM (8 years, 2 months ago)

Quote:

the_r3dz said:
When I first read this thread it helped me choose between going with the Presto or the All American pressure cooker, and I'm happy to say I'm now the proud owner of a brand new AA925.
I have a couple of questions before plunging into this conversation, I read through the entire thread so hopefully they aren't unfounded.

First, which place do you recommend getting it from? Seems like people had problems with the EM version, should I go with the out-grow model? I've bought things from Mike before and been happy.
Or is the AAC version worth the double cost?
I really don't want to mess up my new PC. As I don't have a flow hood, would it be best to let the pressure vent after it hits 0 so as not to get the vacuum effect? I don't want to have to buy a new gauge if I can help it so it seems not letting it vacuum is probably the safest way.




This thread made me upgrade to an AA also, haha. It's more than worth it.

I bought my parts from EM after the confusion and everything works great. I wouldn't hesitate to buy from Out-Grow though, they are my favorite retailer.

Take off your current valve with a 7/16 deep well socket to prevent any stripping. Install the new stopcock with a crescent wrench covered in tape (duct tape worked for me) to prevent any stripping or damage. I suggest putting a layer of teflon tape on the threads too.


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Offlinecamplo
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Re: How to Safely Upgrade your All American pc [Re: magicMerlin]
    #22592155 - 11/29/15 08:07 PM (8 years, 2 months ago)


Its official, it goes past 30psi. The over pressure valve was starting to report though, dripping sudden drips that would steam off as if to say I'm getting close!
The other valve that is directly on the lid....I have no idea what it is. If they are both over pressure valves they are not identical at all. Only the same brand.


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InvisibleStargate
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Re: How to Safely Upgrade your All American pc [Re: camplo]
    #22592574 - 11/29/15 10:01 PM (8 years, 2 months ago)

Are there any known weights or automatic pressure release valves that would keep it at a pressure like 30 PSI? I'm tempted to do this, though I'm also a little afraid of getting it to so high of a pressure that the lid blows off one day, causing it to soar through the roof.


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InvisibleJuiceh
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Re: How to Safely Upgrade your All American pc [Re: camplo]
    #22593202 - 11/30/15 03:01 AM (8 years, 2 months ago)

Quote:

the_r3dz said:
Or is the AAC version worth the double cost?



Nah, go with one from everythingmushrooms or out-grow.



Quote:

camplo said:

Its official, it goes past 30psi. The over pressure valve was starting to report though, dripping sudden drips that would steam off as if to say I'm getting close!
The other valve that is directly on the lid....I have no idea what it is. If they are both over pressure valves they are not identical at all. Only the same brand.



Were you the guy that bought that cooker a few months ago? I could have sworn that in a thread somewhere I saw pics of that and someone said they were the metal overpressure valves and they couldn't go over 30. :shrug: It's a pretty interesting setup. You should see when exactly they pop open! :wink:  Are there any markings on the valves?


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How I make 15 lbs of casing in a 941. How I line 12 shoeboxes with 1 39gal bag. How I Deep Fry Cubes!
RogerRabbit said:You need a bigger pressure cooker for this hobby. RR


Edited by Juiceh (11/30/15 03:04 AM)


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Offlinecamplo
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Re: How to Safely Upgrade your All American pc [Re: Juiceh]
    #22595394 - 11/30/15 04:17 PM (8 years, 2 months ago)

I'm gonna look at it again but last time I looked it just said the name of the brand, nothing to suggest spec. I am wondering where I would even buy parts like that. Like say I wanted to have it go off at a specific psi.


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Invisiblebootster
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Re: How to Safely Upgrade your All American pc [Re: camplo]
    #22599938 - 12/01/15 04:30 PM (8 years, 1 month ago)

I am guessing here but I remember when doing edibles, some members were doing a large straw pasteurization in 55 gal drums and the steam was generated by using this setup, or something similar to it. It is simply a controlled steam (heat)/pressure vessel. Just a hunch here, but I was almost going to do something similar myself.


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InvisibleJuiceh
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Re: How to Safely Upgrade your All American pc [Re: Stargate]
    #22601030 - 12/01/15 07:46 PM (8 years, 1 month ago)

Quote:

Stargate said:
Are there any known weights or automatic pressure release valves that would keep it at a pressure like 30 PSI? I'm tempted to do this, though I'm also a little afraid of getting it to so high of a pressure that the lid blows off one day, causing it to soar through the roof.



The limiting factor is the rubber blow out plug. Its supposed to blow out at 30psi. So the control valve that pops open at ~28psi is about as high as a setup with a rubber plug can go. Older models didn't have the plug. Those may have some extra potential.

If you attach 40 grams to an AA jiggler weight set at the 15psi position it will do 20 psi. I never tried more.


--------------------
Trade List

How I make 15 lbs of casing in a 941. How I line 12 shoeboxes with 1 39gal bag. How I Deep Fry Cubes!
RogerRabbit said:You need a bigger pressure cooker for this hobby. RR


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InvisibleStargate
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Re: How to Safely Upgrade your All American pc [Re: Juiceh]
    #22602332 - 12/01/15 11:46 PM (8 years, 1 month ago)

Quote:

Juiceh said:
Quote:

Stargate said:
Are there any known weights or automatic pressure release valves that would keep it at a pressure like 30 PSI? I'm tempted to do this, though I'm also a little afraid of getting it to so high of a pressure that the lid blows off one day, causing it to soar through the roof.



The limiting factor is the rubber blow out plug. Its supposed to blow out at 30psi. So the control valve that pops open at ~28psi is about as high as a setup with a rubber plug can go. Older models didn't have the plug. Those may have some extra potential.

If you attach 40 grams to an AA jiggler weight set at the 15psi position it will do 20 psi. I never tried more.



Ah, alright. I've got a rubber plug in there, from the looks of it.

I've gotta get one of those 28psi control valves.

Any idea how to get the rubber plug back in if it pops one day?


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InvisibleJuiceh
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Re: How to Safely Upgrade your All American pc [Re: Stargate]
    #22602550 - 12/02/15 12:52 AM (8 years, 1 month ago)

Quote:

Stargate said:
Quote:

Juiceh said:
Quote:

Stargate said:
Are there any known weights or automatic pressure release valves that would keep it at a pressure like 30 PSI? I'm tempted to do this, though I'm also a little afraid of getting it to so high of a pressure that the lid blows off one day, causing it to soar through the roof.



The limiting factor is the rubber blow out plug. Its supposed to blow out at 30psi. So the control valve that pops open at ~28psi is about as high as a setup with a rubber plug can go. Older models didn't have the plug. Those may have some extra potential.

If you attach 40 grams to an AA jiggler weight set at the 15psi position it will do 20 psi. I never tried more.



Ah, alright. I've got a rubber plug in there, from the looks of it.

I've gotta get one of those 28psi control valves.

Any idea how to get the rubber plug back in if it pops one day?



Well, your gonna want to upgrade the black plug to the red sterilizer one. They are super easy to remove and install.


--------------------
Trade List

How I make 15 lbs of casing in a 941. How I line 12 shoeboxes with 1 39gal bag. How I Deep Fry Cubes!
RogerRabbit said:You need a bigger pressure cooker for this hobby. RR


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InvisibleStargate
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Registered: 05/26/14
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Re: How to Safely Upgrade your All American pc [Re: Juiceh]
    #22602565 - 12/02/15 12:58 AM (8 years, 1 month ago)

Quote:

Juiceh said:
Quote:

Stargate said:
Quote:

Juiceh said:
Quote:

Stargate said:
Are there any known weights or automatic pressure release valves that would keep it at a pressure like 30 PSI? I'm tempted to do this, though I'm also a little afraid of getting it to so high of a pressure that the lid blows off one day, causing it to soar through the roof.



The limiting factor is the rubber blow out plug. Its supposed to blow out at 30psi. So the control valve that pops open at ~28psi is about as high as a setup with a rubber plug can go. Older models didn't have the plug. Those may have some extra potential.

If you attach 40 grams to an AA jiggler weight set at the 15psi position it will do 20 psi. I never tried more.



Ah, alright. I've got a rubber plug in there, from the looks of it.

I've gotta get one of those 28psi control valves.

Any idea how to get the rubber plug back in if it pops one day?



Well, your gonna want to upgrade the black plug to the red sterilizer one. They are super easy to remove and install.




Alright, another thing to add to my shopping list.
Does anyone have any idea what the max pressure an AA will get up to before the sides rip open is?


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From before I started growing gourmet mushrooms:


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InvisibleJuiceh
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Re: How to Safely Upgrade your All American pc [Re: Stargate]
    #22602678 - 12/02/15 01:45 AM (8 years, 1 month ago)

These things are tested to over 200psi I believe. You have nothing to worry about running 20-30psi.


--------------------
Trade List

How I make 15 lbs of casing in a 941. How I line 12 shoeboxes with 1 39gal bag. How I Deep Fry Cubes!
RogerRabbit said:You need a bigger pressure cooker for this hobby. RR


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InvisibleStargate
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Re: How to Safely Upgrade your All American pc [Re: Juiceh]
    #22602688 - 12/02/15 01:51 AM (8 years, 1 month ago)

Good to hear :smile:
I wish it was possible to convert it into an electric one, unless you guys have figured that out as well?


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Invisiblebootster
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Re: How to Safely Upgrade your All American pc [Re: Stargate]
    #22603105 - 12/02/15 08:06 AM (8 years, 1 month ago)

On my older units, the stopcock will vent before the pressure plug goes. I am hoping that they need to be upgraded because I would want the available pressure to be higher before the unit fails and a safety mechanism is implemented. I have yet to blow a red plug.


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InvisibleJuiceh
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Re: How to Safely Upgrade your All American pc [Re: bootster]
    #22603443 - 12/02/15 10:12 AM (8 years, 1 month ago)

How old are your older units? The stopcock should vent before the plug blows. My 941 was manufactured in 86, the original stopcock vented at ~22psi. I dunno if that is standard for the older models or the spring was just worn out. What psi do yours vent at?


--------------------
Trade List

How I make 15 lbs of casing in a 941. How I line 12 shoeboxes with 1 39gal bag. How I Deep Fry Cubes!
RogerRabbit said:You need a bigger pressure cooker for this hobby. RR


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InvisibleStargate
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Re: How to Safely Upgrade your All American pc [Re: Juiceh]
    #22603579 - 12/02/15 11:01 AM (8 years, 1 month ago)

The stopcock vents? I didn't know that. I had replaced that part with a pressure weight.

Looks like I should buy one of those 30 psi guages sooner rather than later.


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From before I started growing gourmet mushrooms:


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InvisiblePastywhyteMDiscord
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Re: How to Safely Upgrade your All American pc [Re: Stargate]
    #22603589 - 12/02/15 11:04 AM (8 years, 1 month ago)

I have had my over pressure valve go at 28 psi but the stop cock stayed closed. Tho my stop cock looks different than the others posted in this thread so far :shrug:


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Offlinefipsy
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Re: How to Safely Upgrade your All American pc [Re: Stargate]
    #22603634 - 12/02/15 11:18 AM (8 years, 1 month ago)

Quote:

Stargate said:
Good to hear :smile:
I wish it was possible to convert it into an electric one, unless you guys have figured that out as well?



i did,but some people here said im giving plans for a bomb :smile:

so what i did is just
bought that thing

http://www.ebay.co.uk/itm/Digital-PID-Temperature-Control-40A-SSR-K-Thermocouple-0-to-400-REX-C100/121481831049?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D34572%26meid%3De66e637d6f8c455c9f9dde3075f78a15%26pid%3D100005%26rk%3D1%26rkt%3D4%26mehot%3Dpp%26sd%3D291552094988

fixed the sensor on the cooker top and regulated a heating plate with the pid
thadaa,electric automated allamerican :smile:


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InvisibleStargate
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Re: How to Safely Upgrade your All American pc [Re: fipsy]
    #22604261 - 12/02/15 01:59 PM (8 years, 1 month ago)

Ah, alright. What I did, was this. I bought these two items:

http://www.amazon.com/gp/product/B00GMCAM2G
http://www.amazon.com/gp/product/B00DOZXK4Q

The induction cooktop has a timer setting, which once the PC reaches pressure, I set the timer for 90 minutes. In the pic below, it has 1 minute left on the timer. I'm waiting for the cooldown right now. It just automatically shuts off once it hits 0.



Its been working splendidly for me lately. The cooktop supposedly has a weight limit, but I haven't had any problems. I load the bugger up with 10 jars. It works wonderfully.

It takes 25 minutes to get up to pressure for me, while a different autoclave got up to 22 psi in 5 minutes. That one is here:

http://www.ebay.com/itm/18L-Steam-Autoclave-Sterilizer-Dental-Medical-Tattoo-Pressure-Sterilization-/121241158239

Its just, the cord is an 18 AWG, which makes the cord overheat, starting a fire eventually. In order to fix this issue, you have to go to Lowes/Home Depot/Other hardware store, and pick up some 12 AWG cord. If you take the ends off the old one, and put them on the 12 AWG, it works safely, and effectively. Heat up is 5 minutes with that unit.


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From before I started growing gourmet mushrooms:


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