The Series 2665/2685 WOB-L piston pumps by Thomas Products Div. (Sheboygan, WI) incorporates epoxy-coated head and valve plates for exterior corrosion protection, aluminum construction, and a Teflon piston seal that remains flexible even in cold. The pumps are intended for use where fan guards are not required; Series 2685 pumps include a stainless steel fan guard. Oil-less, non-lube pistons and cylinders prevent airflow contamination, while twin fans provide cooling of the motor and cylinder. All series 2265/2685 pumps provide up to 100 psi of pressure, and a pressure relief valve is also included. Thermally protected AC motors are of ultra-reliable permanent split capacitor design. Maximum flow for pumps equipped with 115 VAC 60 Hz single phase motors is rated at 3.68 CFM; maximum flow for pumps equipped with 220-240 VAC 50 Hz single phase motors is 3.23 CFM.


Motion Control Technology Magazine

This article first appeared in the June, 2006 issue of Motion Control Technology Magazine.

Read more articles from the archives here.