Hydraulic cylinder symbols
Learn about hydraulic cylinder and actuator symbols
The top symbol shows a double acting single rod cylinder.
The middle symbol is the same except it the cylinder has adjustable cushions on both sides.
The bottom symbol shows a basic single acting cylinder.
Rotary actuator symbols
Rotary actuators come in a number of formats from cylinder drives to hydraulic motors.
The top symbol shows a rotary actuator or swivel drive with limited swivel angle and two directions of flow.
The middle symbol shows a single acting, semi-rotary actuator or swivel drive. This means it only receives flow through one port connection and a spring to return it to its static condition.
The bottom symbol shows a standard hydraulic motor which is also a form of rotary actuator.
Telescopic cylinder symbols
Telescopic cylinders can extend to several times their own length because they have several cascading cylinder rods and bores.
The top symbol shows a single-acting telescopic cylinder.
The bottom symbol shows a double-acting telescopic cylinder.
What is the installed cylinder angle
Does the cylinder symbol direction indicate the angle the cylinder is installed at..