ML20116J505
| ML20116J505 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 08/06/1996 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20116J490 | List: |
| References | |
| 2-FCV-63-156, GL-89-10, NUDOCS 9608130245 | |
| Download: ML20116J505 (2) | |
Text
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MOV Calc No.
2-FCV-63-156 (GL 89-10)
Page IoF2-PRKPc4RE LOCKING EVALUATION FOR REQUIRED PULLOUT FORCE
- m"QT= lNPUTS MOV
~2-FCV-63 156 ;
Valve type =
' Flex Wedge
\\
~
VALVE DWG ' T885f 7-3 :
EPRI MOV PPP INTERNAL DEslGN INFO, Ref.
VALVE DESIGN DATA MARK No. j_8802A;,
12B125 l ;2.9375; m 12.5 D1 E1
, M 1_ _
u=
w 9 0.4 theta =
25 deg a=
((D1 + E1)/ 2)/ 2 =
1.804688 a=
1.8047 inches ro=
1.250 inches b=
M1/ 2 =
1.25 = ro b=
1.250 inches v=
0.3 v= Poisson's Ratio = ""1.3 v: fnction coefficient PRESSURE and TEMPERATURE DATA based on Calc method. & EPRI results theta =
1/2 total valve Pbon =
, 22235 psi disk angle Phigh =
wes25 pst Plow =
EnWMD #si DP =
25 psid Normal Temp =
< wenO F Max Temp =
- n w n o F Delta Temp =
O F
'Pbonnet = Pbon + (Delta Temp *33psl/F) 2235 psi ROARK FORMULAS C2= (1/4)(1-(b/a)2[1+2in(a/b)]}
0.041969 C3= (b/4a)([(b/a)2+1]In(a/b)+(b/a)2-1}
0.004014 C8= (1/2)[1+v+(1-v)(b/a)2]
0.817913 C9= (b/a)([(1+v)/2]In(a/b)+[(1-v)/4][1-(b/a)2]}
0.2284 L11= (1/C4)(1+4(ro/a)2-5(ro/a)4-4(ro/a)2[2+(rola)2]In(a/ro)}
0.000322 L17= (1/4)(1-((1-v)/4)(1-(rola)4]-(rola)2[1+(1+v)ln(a/ro)]}
0.039121 Load Constant = (C2L17-C8L11)/(C2C9-C3C8) l 0.218712l SEAT REACTION LOAD (BONNET psi)
Reaction at Hub Perimeter = QH(Bonnet) = Pbonnet(a)(Load Constant) 882.2 lb/in Reaction at Seat: QS(Bonnet) = QH(Bonnet)(b/a)-(Pbonnet/2a)(a2-b2)
-438.2 lb/in SEAT REACTION LOAD (Disk Area DP) 9.86767 lb/in Reaction at Hub perimeter = QH(DiskDP) = (DP)(a)(Load Constant)
-4.90133 lb/in Reaction at Seat = QS(DiskDP) = QH(DiskDP)(b/a)-((DP)/2a(a2-b2))
SEAT REACTION LOAD (Hub Area DP) 25.49267 lb/in Force on Hub due to DP = Whub = QH(DPdisk)+(DP)PI(b^2))/2PI(b)
-17.6573 lb/in i
Reaction at Seat = QS(HubDP) = (-Whub)(b/a) l
-889.114 lblin Sum of Seat Reaction Loads = 2*QS(Bonnet)-OS(DiskDP)+QS(HubDP) 0.387551 i
VF = mu/(cosA + musinA)
-3911.15 lbs Thrust Load = VF*(Sum Seat Reaction)*(Seat Circumference)
-9630 lbs Unwsdging Load (Static test)
TOTAL THRUST = Thrust Load + Unwedging Load =
l -13541.1llbs NOTE: THE NEGATIVE SIGN INDICATES THAT THE STEM IS IN TENSION 9608130245 960806 PDR ADOCK 05000327 P
PDR 4
N Rev.
9 Prepared:
Checked:
r
MOV Calc No.
2-FCV-63-156 (GL 89-10)
Page Zoft
^l PRESSURE LOCKING REQUIREMENT =
13541 lbs A CTUATOR/ VALVE CAPABILITY EVALUATION CALCULATION:
^2-FCV-63-iS6 Actuator Model ESMB-0 2
~40 ftibs Motor Start Torque (MT) 41.33 Overall Gear Ratio (OGR)
Pullout Efficiency (PE) 40 %
0.9 Application Factor (AF) 0.9 or 1.0 Valve Factor (VF) 1.0 or (VF/460)"2
- . S1.0000, 451.9VAC Stem Factor (SF)
I'%0.Oyij Max Temperature (Temp) 215 F Loss Percentage (elevated temp) bt M5ili%
Note 1 Torque Loss Factor = 1-Loss %*(Temp-104)/(356-77) 0.9069 Actuator Torque Capability = (MT
- OGR
- TLF
- VF) 539.75 filbs SF=
Actuator Thrust Capability = Torque / Stem Factor 31564lbs 0.0171 ji24d%Ibs
{shd5_00,fttbs Actuator Thrust / Torque Rating g
Valve Weak Link Thrust / Torque Rating
[{jf;2d2,00llbs SF=
345.42 filbs 0.0171 Seismic Thrust / Torque Rating
[ 3 4000;lbs SF=
410.4 filbs 0.0171 Nots 1:
Reference:
Limitoque Technical Update 93-03 RESULTS:
PRESSURE LOCKING REQUIREMENT =
13541 lbs ACTUATOR / VALVE LIMITING CAPABILITY =
20200 lbs COMMENTS:
w g
.