R134a refrigerant 30 lb freon cylinder tank Temperature refrigerant 410a 404a r404a r407c 134a refrigeration r22 table chart2 407c Temperature saturation refrigerant saturated hvac relationship refrigeration 407c vapor 410a boiling 422d 134a explanation hvacrschool
Printable r 410a pressure temperature chart
R134a chart pt refrigerant cylinder freon price tank 30lb auto lb