ISO Hydraulic Basic Mechanical and Electrical Control Schematic Symbols

ISO Hydraulic Schematic Symbols
Hydraulic and Pneumatic Knowledge

The following are ISO hydraulic basic mechanical and electricap control symbols commonly used on technical drawings.

Description ISO Schematic Symbol
Hydraulic Hand Operated Hydraulic Hand Operated

Level, Mechanical Level, Mechanical

Roller, Mechanical Roller, Mechanical

Hydraulic Operated Hydraulic Operated

Pneumatic Operated Pneumatic Operated

Direct Pressure Direct Pressure

Solenoid Solenoid

Motor Operated Motor Operated

Hydraulic Operated Solenoid Hydraulic Operated Solenoid

Proportional Valve Electrical Operation (PVEO) Proportional Valve Electrical Operation (PVEO)

PVEM PVEM

PvEH PvEH

Pneumatic - Hydraulic Operated Pneumatic - Hydraulic Operated

Mechanical Lock Mechanical Lock

Spring Return

Spring Return