ASME Section VIII - Division 2 Flange Design By: M.Zhang (for Weld Neck Flanges) Chk'd: STRESS FILE: CS205-L-21 NODE - 4135 Date: 3/13/2022 Flange Nominal Pipe Size= 30-A in. Flange Material= A105, Flange Rating= 600 lb. Pipe Material= A672, C60 ASME Flange Facing Sketch= 1b Bolt Material= A193, B7 <=2.5 Design Pressure (internal press. o 725 psig. Flange Bored to Match Pipe Thickne Yes Flange/Piping Temperature= 500 Gasket Factor, m= 3.00 Bolting Temperature= 500 Min. Design Seating Stress, y= 10000 psi. Corrosion Allowance= 0.125 in. 0 lb. Attached Pipe Wall Thickness= 0.875 in. 2400000 in.-l 23300 psi. 20000 psi. 19400 psi. 17300 psi. 29300000 psi. 25000 psi. 27100000 psi. 25000 psi. FLANGE DIMENSIONS: Outside Diameter of Flange, A= 44.5 in. Number of Bolts= 28 Flange Bolt Circle Diameter, C= 40.25 in. Diameter of Bolts= 2 in. Hub Length, h= 5.25 in. Bolt Root Area= 2.652 Flange Thickness, t= 4.5 in. Gasket Outside Diameter= 33.25 in. Gasket Inside Diameter= 31.25 in. Inside Diameter of Flange (Uncorr. 28.25 in. Inside Diameter of Flange (Corr.), 28.5 in. 0.875 in. 0.75 in. 2.845 in. 2.72 in. Notes: 1. Gasket for 1a and 1b assumed to be B16.20 spiral wound gasket. Gasket Parameters: Flange/Gasket Contact Width, N or 1.0000 in. Effective Gasket Seating Width, b= 0.3536 in. °F °F Flange Axial Load (tension is +ve), Flange Moment Load, ME= Flange Material Allowable @ Amb., Pipe Material Allowable @ Amb., Sng Flange Material Allowable @ Op., S Pipe Material Allowable @ Op., Sno= Flange Mod. of Elasticity @ Amb., Allowable Bolt Stress @ Ambient, Sb Flange Mod. of Elasticity @ Op., E Allowable Bolt Stress @ Design, Sbo in. 2 Hub Thick. at Small End (Uncorr.), Hub Thick. at Small End (Corr.), go Hub Thick. at Large End (Uncorr.), Hub Thick. at Large End (Corr.), g1 t h g 1 H T h T G H G h G H D A R /2 g 1 B W C h D g o