Model 288 Tube/Pipe Size and connections?

Published by Marc Steele on

Q: What is the NPT and the Tube size required to install the model 288?

A:  The tube size is 3/8” with a ½” shop air line into the valve. The air connection is 3/8″ NPT. For the complete operation guide please see the following document – http://www.columbiamt.com/CMT-Impact-Marking/Catalog/288_OG_and_parts.pdf


Marc Steele

Marc has been in the marking business for over 15 years. He provides technical assistance through emails and online chat.