20.35 CFM AIR COMPRESSOR 5 HP Brand new ROL-AIR model K28. Two-stage compressor with aluminum crankcase for light weight and good heat dissipation. Cast iron cylinders for long life and greater wear resistance. Crankshaft supported on roller bearings with replaceable bearings for connector rods. Reed valves. Deep fins for cooling on output lines and intercooler. Includes oil sight gauge and automotive style air filter.
What size belt is the flywheel made for? A or B? I can't find that in the specs. Thanks Bill
A: This flywheel is for use with 1/2" A belts.
Date Submitted: 07/19/2019
What is the recommended rpm speed of the motor used with this pump?
A: The motor speed is largely irrelevant as long as the correct pulley reduction is used to provide the pump with a flywheel rpm of no more than 800 rpm with 3 hp input, or no more than 1250 rpm with 5 hp input.
Date Submitted: 09/28/2018
I'm assuming 20.35 cfm is the freeflow rating, do you know what it is at any specific pressure? (90psi, 150psi, or whatever)
A: This compressor is also rated 15.87 cfm @ 175 psi.
Date Submitted: 11/05/2017
What model number is this? I am looking for model PMP22K28CH-E.
A: That is the information we have, but our model does not have the -E at the end.
Date Submitted: 06/11/2017
Is this compressor noisy?
A: It can be noisier when run near its full rated rpm. It is quieter when run slower. We do not have any objective data to quantify the noise level.
Date Submitted: 12/24/2016
Is this the same pump for Model CT580V282? Serial # W535026026. (C-AIR)
A: These are made by Chinook and we don not have info on C-Air to compare.