Unless they've made some serious changes since I took and passed thetest, there are no approvals processes or "lists of approvedmachinery" You just have to use procedures to reduce accidental orincidental release of CFC's and HCFC's as much as possible. Set includes one blue, one red and one yellow hose. I'd like to see term limits for ALL elected offices. @googlegroups.com: Well we noticed this really old thread and see that it still gets lots of hits on Google. Which is why politicians are like diapers - they> need to be changed often, and for the same reasons.> > --<< Bruce >>--. In auto work there is never a need to adapt from acme to quick connect. Usually ships in 24-48 hours I also need to connect the yellow line from the gage set to my vacuum pump. Subscribe to our newsletter to receive a $5 discount code instantly. Note that R-12 and R-22 react chemically with the PAG oil used in factory R-134a cars and form a sludge. That means these system have a greater sensitivity to moisture and other contaminants, making thorough evacuation more important than ever before. No? Your vacuum pump should have 1/4" SAE Flare and 3/8" SAE Flarefittings if it was made for refrigeration work - you connect themanifold hose with the 3/8 fitting, and can attach the micron vacuumgauge to the 1/4" to monitor your progress. This is on a 30lb tank and has no valve core. 
?I see your link now. I'm actually also going to be working on an R22 system for the house and I would like to connect my gage snap fittings to it. What is the proper technical name for this fitting? Usually In Stock pdf The purpose of a vacuum pump is to remove moisture and air from an A/C-R system. This conversion fitting and its companion the 35-16363S are I think what you're looking for. You could just put a couple of car conversion fittings on your house system and connect the snap on fittings to it but that is asking for trouble. That way you can isolate thesystem with a ball valve and shut off the vacuum pump, and monitor thevacuum levels for leaks and/or trapped moisture still evaporating fromthe refrigeration oil. They typically have flare fittings on all 3 hoses but are supplied with 3 adapters for work on R-134a cars. (If the system under vacuum has an extra service port, connect thevacuum gauge sensor directly to it. Cylinders of R-134a sold for automotive use have 1/2 inch acme threads. The EPA via the Clean Air Act regulates what fittings can be used with what refrigerants. Charging Hose Set w/ Auto Shut Off Fitting - 72 In, Charging Hose Set w Auto Shut Off Fitting - 96 In, Two-Way Aluminum Metric Manifold Gauge Set w/ Hose, Brass Manifold Set Shock Resistant w/ 72 In Hose - R134a, R134a Charging Hose Set w/ 1/2 In Acme-F & 14mm-M Auto A/C Fitti, Low Side Manual Coupler for R134a - 1/4 Inch FL-M x 13mm, High Side Manual R134A Quick Coupler - 1/4 In FL-M x 16mm, R134a Hose - Blue 14mm-M x 1/2 In ACME-F - 36 In, 12V 3/8" XTREME COMPACT OPEN HEAD RACHET BARE TOOL, With 1/2" ACME-F and 14mm-M Auto A/C Fittings. 13mm r134a availability The law makes us all criminals, even for things like cutting metal. If you are adapting an industrial vacuum pump, you'll have tobushing down from 3/4" NPT down to the threads needed for the adapter. Not when there are so many out of work law students who weren't smartenough to bribe their way past the bar. 
I'm trying to learn all this ac stuff. Anybody else experiencing this? Is there an adapter that would thread on to this tank fitting that would have a valve core in it and would connect to the yellow line? In either case it is a 1/2" ACME thread fitting. http://www.epa.gov/ozone/snap/refrigerants/fittlist.html, >gary wrote:>> I want to recharge the refrigerant in my auto air conditioner. | Privacy Notice, Features and Benefits: 12V 3/8" XTREME COMPACT OPEN HEAD RACHET BARE, Features and Benefits: Pallet of 17 units, Features and Benefits:Safety Glasses, 4 x 4, Wraparound Four-Sided Bla, Applications include Work Light, Camping, Hunting, Nightlight, Car Repair, Emerg. These fittings are used with most refrigerants including R-12 and R-22, and stationary systems with R-134a. The thread on your cylinder fitting, like most 30 lb cylinder fittings, is known as 1/4 inch flare. MK378,Thanks for your input. This would obviously be 2 different adapters. Don't reinvent the wheel by machining the fittings, it's silly towaste $100 to $200 of your time on a $5 part - you only do that whenit's made out of pure Unobtanium Go to any refrigeration supplyhouse or search online. Is there a fitting to convert from the 1/2 " ACME directly to the snap fittings of the R134a? The end of the fitting is flat rather than conical. I thought R12 and R134a were the same. A car using R-134a is running an HFC. You do not have permission to delete messages in this group, Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message, I want to recharge the refrigerant in my auto air conditioner. If you're going to go back and forth you should flush the manifold and hoses to get the PAG out. They don't have to be"government approved". R12 and R22 share the same size fitting. First, moisture can cause freeze-up in a system. snipped-for-privacy@gmail.com wrote in news:a7fd83ff-db9e-4978-af08-7d8e10f86a79 Pleaseenlighten me! Moisture in an refrigeration system, directly or indirectly, is the cause of most problems and complaints. They may be stupidMF's working for the government, but they ain't THAT stupid. That's the governmental logic: intelligent economizing must give way to backstopping presumed stupidity. Never going tohappen though. This would explain some confusion. Do you have a work-around? You can actually buy R-134a in either type of cylinder depending on where you buy it, it is exactly the same gas just different fittings on the cylinder. If you do a conversion from R12 to R134a oranother refrigerant you have to change the fittings to the properstyle to avoid accidentally mixing refrigerants. The tender mercies of the bureaucrats decide who is punished and who is given lenience. It was in my box labeled AC crap. What determines the size of auto sized planes? While the utility of adapters is obvious, you're supposed to have a separate set of gages and hoses for each refrigerant. It won't fit anything other than old GM cars. Not sure what the thread size or type is called on the hoses at the ends opposite the gage set. It works better in the long run to just buy another manifold and dedicate it for R-22/R-12 service than to keep messing with adapters. Brass Manifold Set w/ 72" Hose - R134a Wth shock-resistant gauge protector.Hose connections for blue and red are 14mm-M.Yellow hose is 1/2" ACME-F with auot shut-off valves.Gauges are 2-1/2" in PSI/Kpa.With manual couplers. -- You can't have a sense of humor, if you have no sense! Edited: Fri October 09, 2009 at 8:30 PM by grtpumpkin. As Uncle Al sez, environmentalism is expensive, shoddy, and deadly. Edited: Fri October 09, 2009 at 9:50 PM by mk378, Can I get an explanation of what this adapter #90338 converts. Mind you this is just for fun and to see if I can fix it. Learn the most efficient technologies in the field of casting. M Patented manual couplers adjust easily to R134a service ports with varying dimensions.All metal construction for extra durability.Patented, spring loaded depressor will not damage service valves.Can be removed from service ports regardless of knob position without losing refrigerant.Meets SAE, UL and EPA recommendations for containment of refrigerant.Color coded.1/4" FL-M x 13mm quick coupler. Casting. Anddeliberate release is instant trouble. The EPA holds that if certain fittings are required, then adapters to circumvent them are not permitted, since that defeats the very purpose of the fittings, namely to make impossible the mixing or confusing of refrigerants. Realize that R-22, R-12, and R-134a all have completely different properties and must never be mixed in a system, it simply will not work. The service fittings permanently installed on the vehicle orstationary system, yes. GM used a proprietary "deep throat" fitting on the high side. 
1/2" Acme as I recall but I don't remember the pitch, sorry! Two-Way Aluminum Metric Manifold Gauge Set w/ Hoses 152cm R12, R22, R134a & R404AStandard hoses, standard fittings.Hose connections are 1/4" SAE.Gauges are 63mm in PSI/BAR & C? This item may not be in stock; R134a Charging Hose Set - 72 In Features: Set includes one blue, one red, & one yellow hose.Yellow hose comes w/ 1/2" Acme female fitting available with automatic shut-off valve.Blue & red hoses include male 14mm x 1.5" & 1/2" Acme female fittings.Tested for working pressure of 600 psi & burst pressure of 3,000 psi.Meets SAE J2196 specifications & are UL recognized. It's the mouth breathing politicians who wrote the impossible tofollow laws the bureaucrats are trying to (selectively) enforce who*are* that stupid. The gage set is for R134a. But not an adapter made so you can hook up your service manifoldhoses to the car or refrigerator being serviced, or hook up the hosefrom your vacuum pump to your service manifold. > > It's the mouth breathing politicians who wrote the impossible to> follow laws the bureaucrats are trying to (selectively) enforce who> *are* that stupid. I want to be able to hook up my gage set to these piercing valves and do some diagnostics. Except another lawyer, but they don't matter. 
Leaving the adapters off makes it compatible with R-12 systems and cylinders.The adapter from a acme hose to a flare vacuum pump is commonly available, it will also work to connect cylinders. One for the low & high side. It will be for either R134a or R22. But I can't figure out what the thread size is on the R134a. Edited: Sat October 10, 2009 at 12:08 AM by mk378. Manufacturer Direct, ToolSource
beadlock r134a My next dilemma will be to try and purchase some R22 refrigerant. 
Have to make sure it gets back in that box or will never find it again. Mastercool 82934-E Low Side Manual R134a Quick Coupl Patented manual couplers adjust easily to R134a service ports with varying dimensions.All metal construction for extra durability.Patented, spring loaded depressor will not damage service valves.Can be removed from service ports regardless of knob position without losing refrigerant.Meets SAE, UL and EPA recommendations for containment of refrigerant.Color coded.1/4 In FL-M x 16mm quick coupler. 
Cylinders don't have shrader valves in the fitting, they are turned on and off with the hand valve. actecmax Well we noticed this really old thread and see that it still gets lots of hits on Google. My yellow hose from my manifold gage set is too large and has the plunger for the valve. One little project I'm working on is a Home window unit that seems to have recently lost it's charge. PolyTech Forum website is not affiliated with any of the manufacturers or service providers discussed here. parker crimp r12 My gage set has thread on snap fittings to allow connecting to the Hi & low sides of the vehicle. Please>> enlighten me!>. Like the old joke about the testing lab that is switching from rats to lawyers: 1 - Lawyers are more numerous2 - Nobody cares what you do to a lawyer3 - There are some things even a rat won't do, > 2 - Nobody cares what you do to a lawyer. 134a Beware you don't commit an EPA felony. Yes those are the ones. Charging Hose Set w/ Auto Shut Off Fitting - 72 In Set of three standard hoses: one blue, one red, and one yellow hose.Auto shut-off valve fitting automatically retains refrigerant in the service hose when they are removed from the system.Tested for working pressure of 750 psi & burst pressure of 3,000 psi.Knurled brass nuts make finger tightening easy.Crimped w/ 8 segment dies for secure fit & maximum durability.Meets EPA, SAE, & UL standards f Set of three standard hoses: one blue, one red, & one yellow hose.Auto shut-off valve fitting automatically retains refrigerant in the service hose when removed from the system.Tested for working pressure of 750 psi & burst pressure of 3,000 psi.Knurled brass nuts make finger tightening easy.Crimped w/ 8 segment dies for secure fit & maximum durability.Meets EPA, SAE, & UL standards for containment of refrigerant. Often wondered about these alternative refrigerants, they sell their magic cans of stuff with different fitting on those plus adapters for your MVAC fittings, but don't sell anything for your gauges so you can hook up to them.But I think this is what your are looking for.But don't ask me where I got it from, have so many electrical, electronic, and gas adapters, my brain is like scrambled eggs.