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Supply chain directory

Overview
Companies

Hydraulic Systems Restrictors

Hydraulic Systems Restrictors covers fixed and variable orifice devices used to meter and regulate fluid flow rates within aircraft hydraulic circuits, encompassing needle valves, orifice plates, and flow control valves manufactured to tight dimensional tolerances from corrosion-resistant alloys, with designs validated to DO-160 environmental standards and qualified for operation with phosphate-ester and mineral-based hydraulic fluids.

To see a list of companies in this category click on the tab above.

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Hydraulic Systems Restrictors suppliers linked to most aircraft programs in our database.

The Lee Company (35 aircraft)

Latest Airframer news and company press releases

21/04/2026Press Release: Avem Partners completes acquisition of PAMCO
24/03/2026Press Release: Velocity One acquires Falls Filtration
04/03/2026Press Release: The Lee Company opens new Innovation Center
See the news and press release archive for Fluid Power.

Supply chain relationships

Sectors serving Fluid Power companies:
Seals & Sealing  •  Pumps  •  Fittings & Couplings  •  Valves  •  Bearings  •  Metals  •  Machining & Metal Removal  •  Mechanical Connectors  •  Lubricants  •  Tubing, Hoses & Conduits  •  Fasteners  •  Mechanical Hardware  •  Non-metal Materials  •  Composite Materials  •  Adhesives

Fluid Power

Sectors purchasing from Fluid Power companies:
Airframer  •  Actuation  •  Airframe Assemblies  •  Landing Assemblies  •  Power Transmission  •  Turbine Engines  •  Engine Rotating & Gas-Path Parts  •  Mechanical Hardware  •  Fuel Systems  •  Rotors & Propellers  •  Auxiliary Power