DESIGNTOBS1868
Cast steel with uniform wall thickness smooth flowing contours and generous fillet radii to prevent stress concentrations. Designed for structural stability, mechanical strength and safe weld ability. Precision machined.
BODYANDCOVER
Male/Female type. Bolted cover.
DISC
Disc design is free floating enabling rotation to avoid localised wear.
Disc to disc carrier design enables opening of the valve with low differential pressure. Disc is fastened securely to disc carrier by
means of a lock nut and cotter pin. Disc carrier is supported on a sturdy hinge pin of excellent bearing qualities. All parts are accessible from top for easy servicing.
Flanges of class 150 and 300 have a 1/16” raised face.
The design of the gasket joint is critical. Its compression is better controlled in a fully enclosed cavity. Also the possibility of unwinding the SS spiral metal is eliminated.
Hard seat concept is advantageous since seat faces are exposed to live fluid in open condition. This results in on-line impingement on seat faces. CA 15/Stellite facing reduces on-line seat wear.
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