A calorie is a measure of energy, just as a pound is a measure of weight and a mile is a measure of distance. So the amount of energy you exert in doing an activity is measured by the calories burn rate.
A water pressure regulator is a plumbing valve that reduces the water pressure coming from the main water line into the house.o determine if you need a water pressure regulator test the water pressure of the main water supply to your house. You can buy a pressure gauge for a local hardware or home improvement store.
Pressure and venting-type valves both help control pressure, whereas needle valves help control the flow within a pneumatic system. A pressure regulator is responsible for preventing pressure fluctuation by controlling pressure as it is coursed through an actuator or another part of a pneumatic system.