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 pressure balanced Single or Universal Expansion joint is an assembly designed to absorb axial movement and /or lateral deflection while the pressure thrust is balanced by means of an additional bellows and tie rods.
Figure 3. Types of welded joints and welds used in resistance welding: (a) butt joint formed by resistance welding, (b) butt joint formed by fusion welding, (c) lap joint formed by a single row of spot welds, (d) lap joint formed by multiple rows of spot welds, (e) lap joint formed by a single seam weld.