Is there something else i need to do.
Freon tank check valve.
Then i unscrewed the knob til it came off.
The seat is separate from the knob so any attempt to back fill the tank repositions the seat to block the flow into the tank.
That was the check valve.
Milton s 682 tank conversion kit with 4 hose assembly this do it yourself tank conversion kit allows you to convert all r 12 no longer allowed freon tanks to portable air tanks.
The part on the other end says not to adjust it.
6 pieces air conditioning refrigerant angled compact ball valve 1 4 inch for r410a r134a r12 r22 ac hvac and r12 r22 to r134a adapters 6015 r134a refrigerant tank adapter 6014 vacuum pump adapter 3 8 out of 5 stars 94.
The new freon tanks don t use a valve that allows back filling.
With the capability to operate under high working pressures as well as a wide operating temperature.
Not for use for propane tank conversion.
R134a can tap refrigerant dispenser with tank adapter 1 4 male port screw safety check valve bottle opener 1 4 female to 1 2 male tank adapter for air conditioner manifold freon charging hose.
When i twist the knob on the valve all of the way 4 turns nothing comes out.
How do you get 30 of r 22 freon out of a new green tank that has a valve that will turn but not open on a new dupont tank.
I must be missing something or this valve is screwed up.
Two views of the top of the valve with the ground off lip shown.
I can t figure out this valve on a 30lb freon tank.
Kit includes filler valve gauge 4 air hose assembly manifold and air chuck.
Parker s range of refrigerant valves are recognised globally for their performance durability and reliability and are built to the highest quality standards.
To take the valve apart i had to grind through the lip around the edge with a dremel tool.
This tank was purchased at an auction.
I pulled them out and reassembled the valve.
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I spent some time seeing if it could be overcome with backyard engineering but the juice wasn t worth the squeezing.