Gruvlok 90 degrees elbow pipe fittings ensure a reliable joint that resists external forces without special supports or expansion joints. These orange-coloured ductile iron fittings have a grooved connection and are used with water, dilute acids, alkali solutions, oil-free air and other chemicals. These Gruvlok fittings are uniquely designed to provide minimum pressure drop and uniform strength and are ASME, ASTM and NFPA compliant. These are available in a size range of 2 - 8 inches (50 - 200 mm), with a maximum operating pressure of 750 psi.