Parker Hannifin Fittings & Hydraulic Valves



Parker Hannifin manufactures a vast range of valves for hydraulic, pneumatic, instrumentation, refrigeration, and aerospace applications. These include directional control, pressure control, and flow control valves available in manual, motor-actuated, or solenoid-operated configurations. 

Hydraulic Valves
Parker's hydraulic valve line covers standard on/off models to high-dynamic proportional valves for mobile and industrial machinery. 
  • Directional Control Valves (Series D1VW, D3W): Used to determine fluid path and motion direction in hydraulic cylinders or motors.
  • Pressure Relief & Reducing Valves (Series RDM, PRDM): Designed to limit or adjust pressure within a system to ensure safety and stability.
  • Check & Throttle Valves (Series CPOM, FM): Control the flow rate or prevent backflow in hydraulic circuits.
  • Cartridge Valves (Series RPDM, C1DB): Compact valves often used in manifold systems for space-saving installations. 
Pneumatic and Solenoid Valves
These valves are primarily used for gas and air-driven systems, featuring modular designs for high flexibility. 
  • Solenoid Valves: Electrically actuated valves used for precise fluid control, often featuring a modular concept with separate valve bodies and electrical coils.
  • Manual Control Valves: Pneumatic valves operated by mechanical plungers or levers.
  • Valve Terminals: Integrated systems that combine multiple pneumatic valves into a single unit for simplified wiring and plumbing. 
Instrumentation and Process Valves 
Designed for high-purity, high-pressure, or extreme temperature environments. 
  • Needle Valves: Provide uncompensated adjustable flow control, ideal for bleed-off circuits and general hydraulic flow management.
  • Ball Valves (Legris Standard Series): Manual 2-way valves available in materials like nickel-plated brass or stainless steel, supporting pressures up to 40 bar.
  • Proportional Valves: Employ advanced technology for applications requiring high accuracy and efficiency in directional or flow control.

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