This statement was developed by the Public Health Nursing Definition Document Task Force. under the direction of the leadership of the Public Health Nursing Section of the American. Public Health Association. The statement was adopted by the Public Health Nursing Section.
A Hinged Expansion joint is an assembly designed to absorb angular rotation in the plane perpendicular to the hinge pins. The hardware consists of two hinged plates 180 Â° apart and joined to the end connection.
The expansion devices used in refrigeration systems can be divided into. fixed opening type or variable opening type. As the name implies, in fixed. opening type the flow area remains fixed, while in variable opening type the flow. area changes with changing mass flow rates.