Where To Add Service Ports To Refrigeration System
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No service ports ?
Is there an easy fashion to add service ports to a reach-in without recovering the refrigerant, besides using piercing valves ?
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Mail service Likes - 1 Likes, 0 Dislikes
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yes they make the ones yous can solder on or affix onto the suction line and it tin can be washed with refrigerant in the organization. check your supply business firm..
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Post Likes - 1 Likes, 0 Dislikes
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Whats wrong with a line tap valve. A bit of nylog goes a long time. YES they e'er leak, sometimes information technology takes 30 years.
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Postal service Likes - i Likes, 0 Dislikes
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Has it got a solenoid ?
Can you lot pump it down ?Is this a cocky contained case ?
http://purple-tools.com/content/105-ff-compression-tool
The main role of the pattern engineer is to brand things difficult for the fabricator and incommunicable for the serviceman.
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Just use a line piercing i, recovery the refrigerant so braze in some real ones very easy.
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"Phfft! Facts. You can use them to prove annihilation." Homer Simpson
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I would employ the solder on ones that when you tighten the cap information technology pierces the pressurized line.
- What is this ?
Originally Posted by jtrammel 
I would utilize the solder on ones that when yous tighten the cap it pierces the pressurized line.
Exercise y'all accept a link ?
The primary role of the design engineer is to make things difficult for the fabricator and incommunicable for the serviceman.
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Never thought it was a skillful thought to apply that much heat to refrigerant.
Originally Posted by jtrammel I would utilize the solder on ones that when you tighten the cap it pierces the pressurized line.
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Post Likes - 2 Likes, 0 Dislikes
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Sealed unit of measurement parts bvp-31. Been using them for 35 years with very few problems. Every time I tried a different make I was sorry.
- BPV-31 Originally Posted by stude283
bvp-31
Bullet Piercing Valve
and yes I rarely encounter them leak.
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Post Likes - 1 Likes, 0 Dislikes
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Hate the solder on ones you accept to use the special piercing Schrader valve. I never use them. Pinch off, real valve, reround, braze over pinch off. Or if I am in a hurry, piercing line taps work just fine. Especially the ones with 3 screws and u have to backseat the needle to open it.
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On the small sealed systems if you lot need operating pressures information technology normally ways something is getting replaced (drier, pump or cap tube). Or there is a leak. In all of those situations the accuse volition need recovered and the system opened upward. When the repair is being washed, braze in an admission port.
I use the BPV-31 to initially get into the organisation. They don't frequently leak if you practise them correctly. Find a straight smooth section of pipe, sand the surface downwardly and make clean information technology, then go effectually and tighten each commodities little by little so it clamps evenly.
I don't leave these on though, simply apply them to admission the system.
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Post Likes - 2 Likes, 0 Dislikes
- Meh Originally Posted past lytning
Never thought it was a adept thought to utilise that much heat to refrigerant.
I've soldered cracks in #2 fuel oil lines while total of oil and leaking. No oxygen no boom. You just gotta know how to handle a torch and rod.
- Originally Posted past lytning
Never thought information technology was a adept idea to apply that much heat to refrigerant.
I don't think lytning was to concerned well-nigh the flammability of the refrigerant every bit most refrigerant that we deal with is not flammable but I recollect his concerned with the deterioration/breakdown of the refrigerant due to the farthermost heat that is practical with the torch. Originally Posted past jtrammel Meh
I've soldered cracks in #ii fuel oil lines while full of oil and leaking. No oxygen no boom. You just gotta know how to handle a torch and rod.
UA Proud
"Phfft! Facts. You can use them to testify anything." Homer Simpson
- I know but it'south a not issue IMO and then I didn't address it. I also figure he was worried well-nigh the high force per unit area when a flame is introduced. Y'all only gotta know what y'all're doing and be conscientious and you'll have no bug. Originally Posted past buttwheat
I don't think lytning was to concerned near the flammability of the refrigerant as nearly refrigerant that nosotros deal with is non flammable but I think his concerned with the deterioration/breakdown of the refrigerant due to the farthermost rut that is applied with the torch.
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I pretty much use them all. As long as I use Nylog no bug.
Originally Posted by stude283 Sealed unit parts bvp-31. Been using them for 35 years with very few issues. Every time I tried a different brand I was pitiful.
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As per our Refrigerant Handling Codes of exercise a bullet piercing valve shall not be left on a system & shall be removed when repairs are concluded.
https://www.arctick.org/media/1034/south...cop_2007_1.pdf
The primary function of the design engineer is to make things difficult for the fabricator and impossible for the serviceman.
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next time I go along a call in that location I wont apply 1.
Originally Posted by fridg
- Lol Originally Posted by lytning
next time I go on a phone call there I wont employ 1.
Source: https://hvac-talk.com/vbb/threads/1954171-No-service-ports
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