Grade E EPDM (Green color code) -40°F to 230°F (Service Temperature Range)(-40°C to 110°C)Recommended for water service, diluted acids, alkalies solutions, oil-free air and many other chemical services. NOT FOR USE IN PETROLEUM APPLICATIONS.
Grade T Nitrile (Orange color code) NOT FOR USE IN DRINKING WATER -20°F to 180°F (Service Temperature Range)(-29°C to 82°C)Recommended for petroleum applications. air with oil vapors andvegetable and mineral oils. NOT FOR USE IN HOT WATER OR HOT AIR
The Gruvlok® Fig. 7012 Flange allows direct connection of Class 125 or Class 150 flanged components to a grooved piping system. The two interlocking halves of the 2" thru 12" sizes of the Gruvlok Flange are hinged for ease of handling, and are drawn together by a latch bolt which eases assembly on the pipe. Precision machined bolt holes, key and mating surfaces assure concentricity and flatness to provide exact fit-up with flanged, lug, and wafer styles of pipe system equipment. A specially designed gasket provides a leak-tight seal on both the pipe and the mating flange face.
The 14" thru 24" sizes of the Gruvlok Fig. 7012 Flange are cast infour segments. A sleek profile gasket design allows quick and easy assembly of the Gruvlok Flange onto the pipe.
All Gruvlok Fig. 7012 Flanges have designed-in anti-rotation tines which bite into and grip the sides of the pipe grooves to provide a secure, rigid connection.
The Gruvlok Fig. 7012 Flange requires the use of a steel adapter insert when used against rubber faced surfaces, wafer/lug design valves and serrated or irregular sealing surfaces. In copper systems a phenolic adapter insert is required, in place of the steel adapter insert. (See Installation and Assembly Instructions Section or contact your Anvil Rep. for details.)
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Housing materialDuctile iron conforming to ASTM A 536, grade 65-45-12.