Question: A loose type flange is to be designed using the specifications like outside diameter of shell 70 cm, Shell thickness 8 mm, Design pressure

A loose type flange is to be designed using the specifications like outside diameter of shell 70 cm, Shell thickness 8 mm, Design pressure = 10kg/cm , Design temperature 150C, Gasket is of asbestos composition, Inside diameter of gasket = 80 cm; Gasket width = 1.6 cm; Gasket factor m =2.75, Gasket seating stress y 260 kg/cm2; Permissible stress for the bolt material 950kg/cm2; permissible stress for the flange material 950kg/cm2. If 32 bolts of 19 mm diameter are to be used to tighten the flange joint, calculate the gasket seating load, bolt circle diameter and minimum thickness of flange [3+3+3=9]

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