Seetru Limited are specialist manufacturers of safety valves, liquid level gauges and coded pipe couplings. The Company was founded in 1949 with a view to developing and exploiting engineering ideas in a variety of fields, and in particular liquid level gauging and valve engineering. Today Seetru is a comprehensive, vertically integrated engineering enterprise, with advanced production facilities and a world-wide business. Manufacture and supply of fully internationally approved safety valves and relief valves in brass, bronze and stainless steel for gas, liquid, cryogenic and stean applications. Sizes range from6mm to 25mm bore and operating pressure up to 500bar. Manufacture and supply of a comprehensive range of liquid level gauges & indicators for all industrial applications. Materials of construction include brass and stainless steel.