The Shurjoint Model Z07 is an angle pad design rigid coupling for general piping applications where rigidity is required including valve connections, mechanical rooms, fire mains and long straight runs. The angle pad design allows the coupling housings to slide along the bolt pads when tightened. The result is an offset clamping action which provides a rigid joint that resists flexural and torsional loads. Support and hanging requirements correspond to ANSI B31.1, B31.9 and NFPA 13. The Shurjoint Model Z07 is available with a standard “C” shaped or GapSeal gasket in a variety grades to meet your specific service requirements. Z07 couplings should always be installed so that the coupling bolt pads make metal to metal contact. Grade “E” EPDM (Color code: Green stripe). Temperature Range: -30° to 230° F. Not recommended for petroleum oils, minerals oils, solvents and aromatic hydrocarbons. Good for cold & hot water up to +230° F. Also good for services for water with acid, water with chlorine, deionized water, seawater and waste water, dilute acids, oil free air and many chemicals.