Single- and two-stage hand- or foot-operated pumps can be incorporated, as standardtandem pumps with reservoirs. They feature a bolt-together, steel modular construction and operate at pressures to 10,000 psi and displacements to 2.1 in.3 per stroke. O-ring seals prevent leakage. Single stage pumps operate in any mounting orientation.

Control Line Equipment Inc., (216) 433-7766, www.control-line.com