A jockey pump maintains pressure in a fire sprinkler system to prevent the fire pump from running all the time and to prevent damage to the system. It consists of a pump, motor, and controller, and can be either centrifugal or regenerative turbine. Government guidelines exist for installation and maintenance. A jockey pump, or pressure […]
A jockey wheel is used to position and move a trailer when not hitched to a tow vehicle. It comes in two styles, soft and hard rubber/plastic. Care must be taken not to overload it, and it should be placed on a stand when parked on a soft surface. A jockey wheel is usually found […]