The apparatus comprises: hydraulic pump, honed piston/spring assembly, cylindrical oil/water interchange vessel, pressure gauge, valves, 2 kg of oil.

This apparatus provides an infinitely variable constant pressure using an adjustable spring type dead weight pressure feedback system connected in-line with a pump and an oil/water interchange vessel.

Dimensions: 310x300x400 mm

Weight approx.: 16 kg

Main Features:

Very stable over long periods

Required pressure set using precision hand wheel control

Generates and automatically controls the set pressure up to a maximum of 3500 kPa (500 p.s.i.) within ± 0.5%

Stepless pressure increments.