Pump Division / Water Products | Dempster Industries LLC

Pump Cylinders

Hand Pumps

No.1133 (Formerly Model 81)
A cylinder of recognized quality. Construction designed for severe, continuous duty operation in either shallow or deep wells. The shell and end cap are made of close-grain cast iron. A heavy gage seamless brass tubing is fitted into the shell and is flanged at both ends to lock it into place. The bottom end cap is fitted with a Dempster Peerless brass check valve. This cylinder is equipped with an all-brass two leather plunger and valve. It is available in 2", 2-1/4", 2-1/2" and 3" inside diameters.

No.80FC-P / Flush Cap PVC Model
A flush cap cylinder design utilizing a PVC barrel with top and bottom flush caps made from close-grain cast iron. The all-brass plunger and check valves are identical to those used in the Model 81.The PVC shell is completely corrosion resistant and has superior resistance to wear and abrasion. this material is approved for potable water systems and has non-electrolytic characteristics.

No's. 449 & 449B / All-Brass deep Well Cylinders
Designed to withstand severe service in either shallow or deep wells. The valves are extra strong, high grade brass. Lower check is seated with a heavy leather packer. Spools used in plunger and check are leather faced. Top cap is threaded slightly larger than the inside diameter of the cylinder, making it possible to withdraw valves up through drop pipe without pulling the cylinder. Cylinders are furnished with 3-leather spool plungers and leather packed spool check valve. Ball plunger and ball check valve is optional for the 1-7/8' size cylinder.