The duo tight fittings I have are 3/8", ut they do have 8mm (5/16) as wellDuotite fittings are for 8mm (5/16”) tubing, right? Automation Direct and McMaster-Carr (and surely others) sell these.
I guess it’s just a brand name for something that’s pretty much a commodity in the pneumatics world. And they likely come in many different sizes.The duo tight fittings I have are 3/8", ut they do have 8mm (5/16) as well
The duo tight fittings have 2 orings, where all other push in style fittings have one oring, plus most push in style fittings are for pneumatic applications, however they are quite common for water/liquid as well. Big difference being the oring material. Pneumatic fittings will have nitrile orings to stand up to the oil that will be present in compressed air, water pH will cause nitrile to swell up and leakI guess it’s just a brand name for something that’s pretty much a commodity in the pneumatics world. And they likely come in many different sizes.
Just had a look at my spunding valve, and it also uses 3/8 inch tubing. Whoda thunk?
Good to know. My use case is generally for CO2, not liquid.The duo tight fittings have 2 orings, where all other push in style fittings have one oring, plus most push in style fittings are for pneumatic applications, however they are quite common for water/liquid as well. Big difference being the oring material. Pneumatic fittings will have nitrile orings to stand up to the oil that will be present in compressed air, water pH will cause nitrile to swell up and leak
SameGood to know. My use case is generally for CO2, not liquid.
The duo tight fittings I have are 3/8", ut they do have 8mm (5/16) as well
I can confirm they also come in .25 | 1/4”I'm comfirming they come in 2 sizes. There are reducers available as well