NozzleNozzleN1/BNozzle name:Air InletApplicable rules(UG-37 or 1-9 or 1-10 or UG-39 or App 14)Nozzle locationTop HeadMaterial Spec.SA 312 TP 316L(Smls pipe)Nozzle sizeNPS12Sch80SDN300Nozzle orienation(deg)0Liquid Static HeadHs(mm)850Psbar(g)0.0820.008MpaHill side openingNoSize of finished opening(UG-36(a))d(mm)Corrosion Allowance(nozzle)CAn(mm)0.5Corrosion Allowance(shell)CA(mm)0.5Shell course inside diameterD(mm)Joint Efficiencies(UG-36(a))E1(UG-36(a))E11(=0.85 if nozzle passes thru weld cat A, C, D)

Flange sizeNPS12Class150Type WNRFFlange material spec.SA 182 F316LFlange rated MDMT (UCS-66(b)(1)(b))0C-48ASME B16.5 Flange rating MAWPbar(g)11.16@2030CASME B16.5 Flange rating MAPbar(g)15.9@21.110CASME B16.5 Flange hydrotestbar(g)24@21.110CStatic head on flangeHs(mm)0Psbar(g)0Bolt materialSA 193B8

Nozzle neck thickness:

Design PressureInternalPbar(g)10.31.044MpaDesign PressureExternalPextbar(g)1.030.104MpaNozzle outside diameterd0(mm)323.85Nozzle thickness (assumed)(mm)12.7(based on Sch 80S)Nozzle inside diamterdn(mm)298.45Nozzle inside radiusRn(mm)149.225Vessel inside diameterD(mm)631Nozzle allowable stressSnMpa134Vessel allowable stressSMpa109

Nozzle thickness (UG-27( c )(1)ta(mm)2.0=(P*Rn/(Sn*E - 0.6*P)+ CA)/0.875Vessel thickness(UG-37(a)( c )tb1(mm)3.6=(P+Ps)*R/(S*E -0.6*P) + CAVessel thicknesstb2(mm)9=External pressure thickness + CANozzle thickness tb3(mm)8.84=Table UG-45 + CANozzle thickness tb(mm)8.84= min (tb3, max(tb1, tb2)Nozzle neck thickness tUG-45 (mm)2.0=ta (for inspection and access opening)Nozzle neck thickness tUG-45 (mm)8.8=max (ta, tb) (for all other nozzles)Standard pipe wall thicknesstst(mm)12.7

Required Nozzle thickness (UG-27( c )(1)trn(mm)1.5=P*Rn/(Sn*E - 0.6*P)(without C.A.)Required thickness of shell(UG-37(a)( c )tr(mm)3.1=(P+Ps)*R/(S*E -0.6*P) (without C.A.)(seamless shell, E=1; check also if UG-37 is applicable)Nozzle nominal wall thickesstn(mm)10.61(for other than pipe, thickness without forming allowance)Nozzle UCS-66 governing thickness(mm)Nozzle rated MDMT0C-105(UCS-66(b)(3))[coincident ratio:]Nozzle reinforcement check:

Pad materialSA 240 TP316LPad diameterDp(mm)700Pad is splitNoPad UCS-66 governing thickness(mm)Pad rated MDMT0C-48(UCS-66(b)(2))[coincident ratio:](pad impact test exemption temperature from Fig. UCS-66M Curve D)Specified vessel thicknesst(mm)9Thickness of re-padte(mm)9Nominal thick. Of int. proj.ti(mm)0Required thickness of smls nozzle walltrn(mm)1.5Internal design pressurePbar(g)10.3Internal radius of nozzleRn(mm)149.225Internal radius of shell courseR(mm)315.5Spherical radius factorK1Nozzle projection from inside vessel wallh(mm)0(no credit for projection outside limit of re-inf)Length of projectionL(mm)136.7(thickened portion of integral re-inf of nozzle neck beyondvessel outside surface)Diameter of finished openingd(mm)=dn298.45Parallel limits of reinf.UG-40LR(mm)298.45=max(d, Rn+(tn-CAn) + (t-CA)Outer Normal limits of reinf.UG-40LH(mm)21.25=min(2.5*(t-CA), 2.5*(tn-CAn) + te)Allowable Stress in tensionS(MPa)109Allowable Stress in nozzleSn(MPa)134Allowable Stress in vesselSv(MPa)109Allowable Stress in padSp(MPa)109Correction Factor Fig UG-37F1Strenght reduction factor(s)fr1.23=Sn/Svfr11.00=min(1, Sn/Sv)fr21.00=min(1, Sn/Sv)fr31=min(fr2, Sp/Sv)fr41=min(1, Sp/Sv)Total load carried by attach. WeldWArea of reinf. Required(UG-37)Amm2914.02= dtrF+2tntrF(1-fr1)(internal pressure)(UG-37)mm2= 0.5*dtrF+2tntrF(1-fr1)(external pressure)(UG-39)mm2= 0.5*dtF+2ttrF(1-fr1)(flat head)

Area available in shellA1amm21772.03=d*(E1*t-F*tr)-2*tn*(E1*t-F*tr)*(1-fr1)A1bmm2232.90=2*(t+tn)*(E1*t-F*tr)-2*tn*(E1*t-F*tr)*(1-fr1)A1mm21772.03=max(A1a, A1b)

Area available in outward nozzleA2amm2411.69=5*(tn-trn)*fr2*tA2bmm2=5*(tn-trn)*tn*fr2(without re-inf. Pad)4369.02=2*(tn-trn)*(2.5*tn*te)*fr2(with re-inf. Pad)A2mm2411.69=min(A2a, A2b)Area available in inward nozzleA3amm20=5*(t*ti)*fr2A3bmm20=5*(ti*ti)*fr2A3bmm20=2*(h*ti)*fr2A3mm20=min(A3a, A3b, A3b)Outward nozzle weld legL41mm9Re-in element weld legL42mm9Inward nozzle weld legL43mm0Area available in outward nozzle weldsA41mm2=(leg)2*fr2(without re-inf. Pad)A41mm281=(leg)2*fr3(with re-inf. Pad)Area available in reinf. element weldsA42mm281=(leg)2*fr4Area available in inward nozzle weldsA43mm20=(leg)2*fr2Area available in weldsA4mm2162=(A41 + A42 + A43)Area available in reinf elementA5mm23422.925=(Dp-d-2*tn)*te*fr4Total Available AreaAavmm25768.64=(A1 + A2 + A3+A4+A5)Is Aav >= AYesi.e. Reinforcement is adequate.Allowable Stresses in weld joints (UG-45 and UW-15( c ))Groove weld in tensionSgMPa80.66= 0.74 * SvNozzle wall in shearSnsMPa93.8= 0.70 * SnInner fillet weld in shearSiMPa53.41= 0.49 * SvOuter fillet weld in shearSoMPa65.66= 0.49 * SnUpper groove weld in tensionSgMPa99.16= 0.74 * SvFillet weld size check (UW-16( c )(2))Outer fillet weldtmin(mm)12.70= min (19, tn , te)tc (req)(mm)6= min (6, 0.7*tmin)leg(mm)0= actual leg sizetc (actual)(mm)0= 0.7*leg

Outer element weldtmin(mm)9.00= min (19, t , te)tw (req)(mm)6= 0.5*tminleg(mm)9= actual leg sizetw (actual)(mm)6.3= 0.7*leg

Inner fillet weldtmin(mm)19.00= min (19, tn , te)tw (req)(mm)6= 0.5*tminleg(mm)0= actual leg sizetw (actual)(mm)0= 0.7*legStrength of weld jointsGroove weld in tensionN= (/2)*Nozzle OD*tw* SgNozzle wall in shearN= (/2)*Mean Nozzle OD*tn* SnsInner fillet weld in shearN= (/2)*Nozzle OD*leg* SiOuter fillet weld in shearN= (/2)*Pad OD*leg* SoUpper groove weld in tensionN= (/2)*Nozzle OD*tw* SgLoading on welds (UG-41(b)(1))W=[A-A1+2*tn*fr1*(E1*t-F*tr)]*SvW1-1=(A2 + A5 + A41+A42)*SvW2-2=(A2 + A3 + A41+A43+2*tn*t*fr1)*SvW3-3=(A2 + A3 + A5+A41+A42+A43+2*tn*t*fr1)*Sv