Db=Bellows inside diameter nc=Number of convolutions q=Convolution pitch w=Convolution height t=Thickness of one ply n=Number of plies P=Design pressure Temp=Design temp (°F) xc=Axial compression xe=Axial extension xl=Lateral deflection xf=Angular rotation Ø=Torsional rotation xp=Axial preextension nb=Number of bellows	Db=16 in nc=6 q=1.125 in w=1.5 in t=0.05 in n=2 P=450 psi Temp=250 xc=0 mm xe=0 mm xl=13.5 mm xf=2.0 deg Ø=0 deg xp=0 in nb=2		Type=2 reinforced, 1 unreinforced Ls=Spool pipe length ts=Spool pipe thickness tpipe=Pipe end thickness tc=Collar thickness Lc=Collar length Lt=Bellows neck length odr=OD of the reinforced rings tdr=ID of the reinforced ring matb=Bellows material code matr=Bellows material code pm=Fluid density (water)	Type=2 Ls=8 in ts=0.5 in tpipe=0 in tc=0.05 in Lc=0.5 in Lt=0.5 in odr=0.375 in tdr=0 in matb=5 matr=2 pm=62.2 lb ft3

A Sab=Allowable stress3 Syb=Yield strength3 Eb=Moduli of elasticity3	At Design Temp. Sab=19.5·103psi Syb=25.8·103 psi Eb=27.3·106 psi	At Room Temp. Sab1=20·103psi Syb1=20·103 psi Eb1=28.3·106 psi	Bellows free length Univ EJ. free length Development length Bellows weight Effective area2 Equiv. Mov./Conv.	Lb=6.75 in Lu=21.5 in Lbd=22.85 in Wb=15.7 lb Ae=243.3 in2 ex=0.12 in
Convolution factors:   Cd=1.57   Cf=1.47   Cp=0.71    ce<cre=1   ce<ere=1    Ce=0.375   Cy=0.558   cwb=1

SRcmp=Reinf ring circumf. membrane stress S2=Number of convolutions S3=Convolution pitch S4=Convolution height S5=Thickness of one ply S6=Number of plies St=Design pressure	SRcmp=9678 psi S2=9733 psi S3=2332 psi S4=40630 psi S5=1695 psi S6=129083 psi St=160851 psi	Stress Verification SRcmp<=CwbSab=1 S2<=CwbSab=1 S3+S4<=CwbSab=1 Ss<=0.6Sab=1 Ss=0· psi Axial vibration (Hz) fna=16.1 Lateral vibration (Hz) fnl=149.1 Rocking Vibration (Hz)fnr=71.8
fia=Axial spring rate3 fil=Lateral spring rate3 Mif=Angular spring rate3 Mit=torsional spring rate3	fia=1744·lbf in -1 fil=1160·lbf in -1 Mif=1179·lbf in deg -1 Mit=1.35·106lbf in deg -1	fia=305399·N mm-1 fil=203222·N mm-1 Mif=133·N mm-1 Mit=152401.26·N mm-1
Nc=56484 Nc8=1132 Nc3=1800	E.J.M.A.-7th Ed. ASME Sec.VIII App.26 1998 Ed. ASME B31.3 App.X 1996 Ed. 1997 Add.	Max. flow without liner for induced vibration v=16.4·ft/sec