Home to the world’s most reliable and
accurate Electro-Hydraulic Servo Valves
Star Hydraulics was established in December 1983 by Paul Shillam, who recognised the need for an independent servo valve repair facility following numerous requests from servo valve users whilst working at Dowty Hydraulics.
Moog (who had given Dowty’s the licence to manufacture servo valves for Europe) initially supported Paul’s servo valve repair business by supplying Star Hydraulics with unlimited spare parts to service and repair servo valves.
It is with thanks to Moog that Star Hydraulics Ltd has grown into the successful British Manufacturing Company it is today. Without Moog’s initial support of supplying Star with spare parts, Star Hydraulics Ltd would have never been born.
Unfortunately, Moog eventually changed their policy of supplying spare parts to independent servo-repairers which effectively forced Star Hydraulics to develop their own servo components and inevitably a complete range of servo valves.
Star’s now famous Sapphire Technology™ has been proven to reduce ‘ball glitch’ - the term given to the effect on the valves performance due to ball wear.This in-house expertise enabled Star to investigate the repeated failures of traditional valves and the wear on a particular component, a tiny steel ball, was found to be the main culprit. Star found that by replacing the steel ball with a Sapphire ball it vastly extended the life of the servo valve.
Star’s range of servo valves have proven to be incredibly successful, coupled with hydraulic oil cleanliness & system maintenance training, plus the benefit of Star's Sapphire Technology™, Star servo valves are doing many billions of cycles without the need for repair.