Incorporating Sapphire Technology for the 21st Century
Founded in 1983 to provide a cost effective, fast turnaround Service/Repair of Electro-Hydraulic Servovalves.
Introduced "Sapphire Technology" in 1988 to eliminate "ball glitch" and increase Servovalve life.
Production of new Servovalves in 1990 with all the benefits of new materials and machining technology.
1 992 Originally awarded BSI Quality Management System ISO 9001:2008
A ppointment of first distributor - Hydraustar France in 1995.
A further 19 world-wide distributors added in 15 years. In 2010 Stars quality and performance resulted in their
valves being used on the Space X Rocket travelling to the International Space Station 2012 moved to new premises including "State of the Art" machining facilities, Clean Air Assembly and Test, Dedicated Development facilities. 2013 Development of Three Stage Valves 2015 Development 850 Servovalve 2016 Atex / IS approval
Servovalve – Service/Repair
With over 30 years’ experience Star has built an impressive reputation for a cost effective, fast turnaround service/repair of the following Manufacturers Servovalves:
Abex Atchley Bosch Dowty Herion
Moog MTS Pegasus Plasser Rexroth
Schneider TSS Ultra Vickers
Service / Repair Schedule
Valve completely dismantled. Magnets fully demagnetised. Ultrasonically clean and microscopically inspect all components. Valve reassembled in clean air conditions. Valves tested in accordance with the International Standard: ISO 10770-1:2009. Flow Plot and Technical data supplied with every valve. Full warranty on all repairs.
For more information please contact – Jason Nottingham +44 (0) 1684 296176
Benefits and Features
“Sapphire Technology” ball in slot design Incorporated into Star designs since 1988 Many billions of cycles per service life Increased spool life due to spool rotation Ultra low coefficient of friction sapphire to steel F eedback mechanism unhindered by spool
rotation Extended warranties available
Sapphire flow Ensuring first stage stability Precisely matched flow properties Long life in extreme environments
Custom spool lap & bushing port geometries Zero overlap Overlap (closed center) Underlap (open center) Dual gain Asymmetric gain
Special connectors MIL-C-5015 MIL-DTL-38999 Conduit style male/female Hermetic
Safety Flame proof Intrinsic safety Class, Div & Zone coverage Mechanical failsafe Double & triple coil redundancy
Sealing materials Nitrile Fluorocarbon (Viton) Ethylene-Propylene Fluorosilicone
Facilities This is a key function where very experienced staff assemble
both new and repair valves in a clean environment.
Valve Testing Centre
Dedicated Test Room with Performance Qualification Test Rigs. Fluid cleanliness is better than ISO4406 Code 12/10/8 NAS1638 Class 2
Total Manufacturing Facility
Charmilles Technologies Roboform EDM
Sunnen Honing and Lapping
4 Axis Bridgeport CNC Nikon Profile
4 Axis Doosan CNC Lathe
With "State of the Art" Machining Facility Star Hydraulics are pleased to offer close tolerance machining services.
International Distribution & Service Partner Network
Brazil Canada Denmark
Egypt France Germany
India Iraq Italy Japan Malaysia Mexico Poland Rep. of China Russia South Africa South Korea Spain Sweden Turkey USA
CMA Electro-Hydraulic Engineers Specken Hydraulics Techservo (Sau Paulo) Brazil Cowan Dynamics Inc Fritz Schur-Teknik AS MEHE Hydraustar Servostar GmbH Servocontrols ATTS Inc Fizner Automazione s.a.s STI Product Co Tejari Technologies ATTS Inc RDL Hydraulics Sp. z o.o. Beijing Star HD Hydraulics Shanghai & Beijing Hydraulic Integrated Systems LLC Sealtec Hydralics Ltd. Hanvit Industries Delta Hidraulica Scanhydraul AB Hipas Hidrolik ve Pnomatik K+S Services Inc
Fatigue, Structure, Turbine Blade, Undercarriage, Propeller, Helicopter Body & Blade
Fatigue, Springs, Steering components, Shock absorbers, Tow-bar, Tyres, Seats, Engine
Civil, Military, Leisure.
F1, Fatigue testing, Engine Dynamometers, Carbon fibre testing.
Injection moulding, Parison control in Blow Moulding, Tensile testing.
P ower Generation
Fossil, Gas, Nuclear, Turbine speed control, Steam control valves.
Ballast Tamper, Stone Blowers.
Steel, Aluminium, Copper, Paper.
(Remotely Operated Vehicles) Subsea Trenching, Submerged Mining and Marine Renewables.
Timber sizing, Production of Composite Timbers.
Vibration control of Seismic Waves for Oil/Gas Exploration.
Star offer free seminars on the following:
Servovalve Operation. Filtration, Cleanliness Codes. Flushing and Commissioning of Hydraulic Servo Systems.
Manufactured in the UK and Quality Assured
Star Hydraulics Ltd. Severn Drive, Tewkesbury Business Park, Tewkesbury Gloucestershire. GL20 8SF. England, UK. Tel. 44 (0) 1684 296176 firstname.lastname@example.org Fax. 44 (0) 1684 850714 www.star-hydraulics.co.uk