Cálculo Flange ASME VIII 1 Apendice 2

G Woods

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ASME Section VIII Division 1 Appendix 2 Weld Neck Flange Analysis all US customary units yellow is input values, green is program calculated values, orange is definition. I. Flange Description NPS: A: B: C: t: h: go: g1: Rgsur: BD: RD: #B:

12 Class: 150 Type: WN FLANGE 19.000 dimensions per Section VIII-1 Fig. 2-4 (6) 12.250 17.000 1.190 3.000 Rgsur: is the flange raise face dimension 0.250 R: is calculated by Section VIII equation 1.065 h 15.000 R: 1.31 0.875 nominal bolt diameter 0.731 bolt root diameter 12 number of bolts

II. Gasket Dimension & Factors OD:

14.75

ID:

g1

go 13.38

m:

3

y:

10000

III. Design Conditions T: 150 F P: 104 psig F Mat: A105 B Mat: A193-B7 ExMo: 50000 Pe: 90 P+Pe: 194

Sc: 23300 Sf: 22600 Sa: 25000 Sb: 25000 external overturning moment, in-lbs.

IV. Calculations: Location of gasket load reaction: N: 0.69 N/2: G: 14.16 Bolt Loads, lbs. Operating Wm1: Gasket: Wm2: Required bolt areas, in2. Am1: 1.826 Am2: 5.215 Ab: 5.034

0.34

0.2932 0.25

b:

0.29

45648 130376

Am is the greater of Am1 or Am2. Am: 5.215 Ab is not to be less than Am.

Flange design bolt load operating and gasket seating, lbs. Oper: 45648

t

SR SH C B G Rgsur

A

Bolt Diameters Nominal Root 0.500 0.400 0.563 0.454 0.625 0.507 0.750 0.620 0.875 0.731 1.000 0.838 1.125 0.963 1.250 1.088 1.375 1.213 1.500 1.338 1.625 1.463 1.750 1.588 1.875 1.713 2.000 1.838 2.250 2.088 2.500 2.338 2.750 2.588 3.000 2.838

Gask.:

128109

Flange moments, in-lbs. Operating: Mo=MD+MT+MG MD: 42034 MT: 14575 MG: 21485 MO: 78093 Gasket: Mog: 181678 Calculated Values of T, U, Y, and Z K: 1.55102 T: 1.68859 U: 5.05244 Y: 4.59773 Z: 2.42281 Fig.2-7.6 Value of f g1/go: 4.260 h/ho: 1.71429 f: 1.00

0.12

Fig. 2-7.2 Value of F g1/go: 4.260 h/ho: 1.71429 F: 0.55138 Value of L e: 0.32 Value of V V: 0.02868 Value of d: 19.27 L: 0.90 V. Flange Stress Calculations, psi Operating Gasket SH: 6233 14501 SR: 7482 17407 ST: 2570 5979

A: C: C1: C2: C3: C4: C5: C6: C7: C8: C9: C10: C11: C12: C13: C14: C15: C16: C17: C18: C19:

Flange Factor Calculations 3.26 C20: 0.167679 377.238 C21: -0.17464 0.605 C22: 0.064638 0.28399 C23: -0.34272 0.01382 C24: 0.31447 0.09729 C25: -0.09919 -0.1777 C26: -3.1163 0.02198 C27: -0.61919 0.90557 C28: -0.05268 0.12457 C29: -9.71131 0.13469 C30: -30.2633 -0.1811 C31: 7.611751 0.04852 C32: 0.749823 0.0276 C33: -2.58043 0.01267 C34: -0.64286 -0.0161 C35: 6.623002 0.00543 C36: 0.501157 0.00431 C37: 4.78672 0.08994 E1: -0.13426 -0.2188 E2: 0.218799 0.00825 E3: -0.33206

Operating Gasket (SH+SR)/2: 6858 15954 (SH+ST)/2: 4402 10240

E4: 0.646656 E5: -0.00702 E6: -0.38742

Allowable 22600 22600

VI. Allowable Stress Operating and Gasket Seating, psi Operating Gasket SH: 33900 34950 SR: 22600 23300 ST: 22600 23300 VII. Flange Rigidity E: 3E+007 Oper. ### Gasket Seating, modulus of elasticity J: 0.13 Oper. 0.35 Gasket Seating VIII. Probable Bolt Stress:

48107 psi

IX. Leakage Moment, in-lbs. ML: 394257

ASME Section VIII - Division 1 Appendix 2 Weld Neck Flange Analysis Project: OxyChem PVC Job No: 31057.01 Cal. by: G Woods Flange Description: NPS 12-150# WN Flange Flange Location: E-807 Nozzle F at elevation 162'-0 15/16" I. Design Conditions Pres.: 104 psig External Moment: 50000 in-lbs Analysis Pressure, P + Pe: 194

Temp.:

150

F Equivalent pressure:

Date:

###

o

90

psig

Sf:

22600

psi

Sb:

25000

psi

psig

II. Flange, Bolt Material and Allowable Stresses Flange Material: Bolt Material:

A105 A193-B7

III. Flange and Bolt Dimensions, inches Flange: A = 19.000 g1 = 1.065 Bolt: Nom. Diameter:

Sc: 23300 psi Sa: 25000 psi

B = 12.250 C = 17.000 go = 0.250 h = 3.000 0.875 Root Diameter: 0.731

IV. Gasket Dimensions and Factors Dimensions: OD: 14.75 Factors: m: 3

ID: 13.38 y: 10000

V. Flange Calculated Factors K = 1.551 F = 0.551 f = 1.00 T = 1.689

V = 0.029 U = 5.052

t = 1.190 No. Bolts: 12

inches b: 0.29

G: 14.16

e = 0.315 Y = 4.598

L = 0.902 U = 5.052

VI. Flange Design Bolt Loads, lbs., Area, and Moments in-lbs., for Operating and Gasket Seating Operating Gasket Seating Bolt: 45648 128109 Bolt Area: 5.034 in2 Moment: 78093 181678 Required Area: 5.215 in2 VII. Flange Operating and Gasket Seating Stress and Allowable Stress Operate Allowable Gasket Allowable SH: 6233 33900 14501 34950 SR: 7482 22600 17407 23300 ST: 2570 22600 5979 23300 (SH+SR)/2 6858 22600 15954 23300 (SH+ST)/2 4402 22600 10240 23300 VIII. Flange Modulus of Elasticity, E psi, and Rigidity, J at Operating and Gasket Seating Operating Gasket E: 29100000 3E+007 J: 0.13 0.35 J