ISO Hydraulic Restrictor and Throttle-Check Valves Schematic Symbols

ISO Hydraulic Schematic Symbols
Hydraulic and Pneumatic Knowledge

The following are ISO hydraulic restrictor, fixed valves, variable valves, check valve symbols commonly used on technical drawings.

Description ISO Schematic Symbol
Hydraulic Restrictor, Fixed Hydraulic Restrictor, Fixed

Hydraulic Restrictor, Variable Hydraulic Restrictor, Variable

Hydraulic Restrictor, Non-Viscosity Influenced Hydraulic Restrictor, Non-Viscosity Influenced

Hydraulic Throttle-Check Valve Hydraulic Throttle-Check Valve

Hydraulic Three-Way By-Pass Flow Regulator Hydraulic Three-Way By-Pass Flow Regulator
Hydraulic Flow Divider

Hydraulic Flow Divider