reverse valves in a sentence

• The locomotives used a pair of double acting, oscillating cylinders connected to a rotary reversing valve.
• In variable climates, the system may include a reversing valve that switches from heating in winter to cooling in summer.
• A ruptured heat exchanger mixes contaminants such as freon and refrigeration system can cause expensive damage to components such as the freon compressor, and the reversing valve.
• Many air impact wrenches incorporate a flow regulator into their design, either as a separate control or part of the reversing valve, allowing torque to be roughly limited in one or both directions, while electric tools may use a variable speed trigger for the same effect.
• It's difficult to see reverse valves in a sentence .