Thank you @1503 and @Compositepro.
To my understanding the arrow on the actuator of the first valve means the signal is variable and actuation is continuous between min and max, but the straight line on the second one means it's an on-off actuator. The second valve is a part of an ABS system...
Hello,
I have a schematics of a pneumatic system with various type of actuating valves. There are two different types of symbols for solenoid valves that I don't understand what is the difference. Both of these are two-port/two-position valves, actuated electrically, but the symbols are a...