They may be throttling valves or casing pressure operated valve.

The valve operated electrically from an inner room beyond the water-filled chamber.

The battery can be mounted in any position, since the valves only operate on overpressure faults.

For safety critical applications, it must be ensured that the valves operate upon demand.

A number of companies are working on systems using valves operated hydraulically or by electric impulses through solenoids.

Tests will reveal if this is necessary since on test the solenoid valve will operate sluggishly or not at all.

The solenoid valve should operate and water issue from the hosepipe for a time set by control VR2.

I don't even know what valve operates what kind of equipment.

However, since the valve is operating continuously as one operates the vehicle, it will fail over time.

The valve operate to create 3 specific first-order resonant frequencies that increase cylinder air charge.