View Full Version : Model number of Oneway vacuum pump?
Steve Mathews
11-09-2021, 8:15 PM
What is the model number of the Gast vacuum pump that Oneway sells? Their price seems a bit high. Wondering if one can be sourced cheaper.
Dwight Rutherford
11-09-2021, 8:32 PM
I don’t know Oneway model number is but I bought a used Gast model #0522 on E-Bay for $230.00. It has been running trouble free for 11 years. Gast pumps are pretty bulletproof. If need be a rebuild kit is around $75.00.
Steve Mathews
11-09-2021, 9:49 PM
I believe the successor to the Gast #0522 is the #0523. There are a number of both on eBay but the numbers following #0522 or #0523 are confusing. Are they all basically the same? I tried to find the coding on the Gast website but couldn't find anything.
Dwight Rutherford
11-10-2021, 12:15 AM
I’m pretty sure the 0523 is the successor. The pump needs to be a dry rotary vane model. Should be rated to operate at 4-5 CFM. They come as either 115volt or 220volt.
William C Rogers
11-10-2021, 8:42 AM
I don’t understand the statement needs to be a dry rotary vane pump. There are a lot of pumps that will work. I use the Thomas 2660 piston pump, Gast makes a similar pump. I would check Frugal Vacuum Pumps. He will sell a turn key or only what you want. He use to sell the Thomas, but his supply dried up and now is selling a rotary vane pump.
Peter Blair
11-10-2021, 9:11 AM
I can get you the number when I go to my shop today but thought I'd mention that I picked up a used one at auction for $25.00. I now have a spare just in case . . . . . The one I got from oneway I purchased about 12 years ago. I do limit the time I run it hoping to save it but is has been flawless.
Dwight Rutherford
11-10-2021, 11:08 AM
William C. Rogers
I was responding to the OP’s question about a specific Gast brand vacuum pump used by Oneway. Gast makes both oil less and oiled pumps. The 0522 and 0523 are the dry vane oil less model’s.
Steve Mathews
11-10-2021, 11:44 AM
I can get you the number when I go to my shop today but thought I'd mention that I picked up a used one at auction for $25.00. I now have a spare just in case . . . . . The one I got from oneway I purchased about 12 years ago. I do limit the time I run it hoping to save it but is has been flawless.
Thanks Peter! There are a number of Gast vacuum pumps available on eBay. I just wanted to make sure it's the correct type or something close to the Oneway setup.
Peter Blair
11-10-2021, 12:00 PM
467923Hard to get to, I hope this photo helps. I did get this from Oneway quite a few years ago!
Robert Hayward
11-10-2021, 4:57 PM
This should help.
Steve Mathews
11-10-2021, 9:32 PM
467923Hard to get to, I hope this photo helps. I did get this from Oneway quite a few years ago!
Thanks again Pete! Just what I needed.
Steve Mathews
11-10-2021, 9:34 PM
This should help.
I looked all over the Gast website and their online catalog and never found the above. Definitely helps. The only thing I can add is the Q stands for something on the pump to make it quieter.
Peter Blair
11-10-2021, 11:42 PM
Great! Hope it all works out for you. I know I don't really need a vacuum system but boy oh boy it does make a lot of jobs easier. I even made a small chuck that I can hold a 1" dia piece in to sand and polish. I sell quite a few pendants and it makes it really easy to work on them.
William C Rogers
11-11-2021, 5:58 AM
William C. Rogers
I was responding to the OP’s question about a specific Gast brand vacuum pump used by Oneway. Gast makes both oil less and oiled pumps. The 0522 and 0523 are the dry vane oil less model’s.
Now I understand
Steve Mathews
11-12-2021, 9:35 PM
I picked up a Gast vacuum pump today and look forward to do some vacuum chucking. Thanks all for the help.
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