Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

jeff5may · 04-16-2019, 05:38 PM

Refrigerant grade propane is r290. It has roughly the same pressure range as r22. Butane and isobutane both have lower pressures than r134a. If you are running a txv you'll have to run a blend.

04-16-2019, 05:38 PM	#34 (permalink)
jeff5may EcoModding Lurker Join Date: Dec 2016 Location: elizabethtown, KY USA Posts: 14 Thanks: 15 Thanked 9 Times in 8 Posts	Refrigerant grade propane is r290. It has roughly the same pressure range as r22. Butane and isobutane both have lower pressures than r134a. If you are running a txv you'll have to run a blend. Last edited by jeff5may; 04-16-2019 at 07:57 PM..