ML20116J536
| ML20116J536 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 08/06/1996 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20116J490 | List: |
| References | |
| EPM-RJP-041091, EPM-RJP-41091, NUDOCS 9608130256 | |
| Download: ML20116J536 (3) | |
Text
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MOV Ca'c No.
EPM-RJP-041091 Page lof 3 ERESSURE LOCKING EVALUATION FOR REQUIRED PULLOUT FORCE
,s i*% INPUTS
~
MOV 11-FCV-68-332 Valve type =
- Flex Wedge '
VALVE DWG f 88405-2 EPRI MOV PPP INTERNAL DEslGN INFO. Ref.
VALVE DESIGN DATA MARK No.
[8000A D1..
E1_ _
M1 2.937
- 2.1B7' ?
'0312 y.:.
r 0.4 theta =
a e5 deg a=
((D1 + E1) / 2) / 2 =
1.281 a=
1.2810 inches ro=
0.406 inches b=
M1/ 2 =
0.406 = ro b=
0.406 inches v=
0.3 v= Poisson's Ratio =
- 7.3 0
u: friction coefficient l
PRESSURE and TEMPERATURE DATA based on Calc method. & EPRI results theta =
1/2 total valve Pbon =
, a2250 psi disk angle Phigh =
ewws0 psi Plow =
MMMO psi Dp =
0 psid Normal Temp =
m + w0 F
Max Temp =
em m0 F
Delta Temp =
O F
-Pbonnet = Pbon + (Delta Temp *33 psi /F) 2250 psi ROARK FORMULAS C2= (1/4)(1-(b/a)2[1+2in(a/b)]}
0.167176 C3= (b/4a)([(b/a)2+1]In(a/b)+(b/a)2-1}
0.028914 C8= (1/2)[1+v+(1-v)(b/a)2]
0.685158 C9= (b/a){[(1+v)/2]In(a/b)+[(1-v)/4][1-(b/a)2]}
0.286608 L11= (1/64)(1+4(ro/a)2-5(ro/a)4-4(rola)2[2+(rola)2]In(a/ro))
0.005962 L17= (1/4)(1-((1-v)/4)[1-(ro/a)4]-(ro/a)2[1+(1+v)in(a/ro)]}
0.144066 Load Constant = (C2L17-C8L11)/(C2C9-C3C8) 1 0.711633l SEAT REACTION LOAD (BONNET psi).
2051.1 lb/in Reaction at Hub Perimeter = QH(Bonnet) = Pbonnet(a)(Load Constant)
Reaction at Seat: QS(Bonnet) = QH(Bonnet)(b/a)-(Pbonnet/2a)(a2-b2)
-646.3 lb/in SEAT REACTION LOAD (Disk Area DP)
Reaction at Hub perimeter = QH(DiskDP) = (DP)(a)(Load Constant) 0 lb/in Reaction at Seat = QS(DiskDP) = QH(DiskDP)(b/a)-((DP)/2a(a2-b2))
0 lb/in SEAT REACTION LOAD (Hub Area DP)
Force on Hub due to DP = Whub = QH(DPdisk)+(DP)PI(b^2))/2Pl(b) 0 lb/in 0 lb/in Reaction at Seat = QS(HubDP) = (-Whub)(b/a)
Sum of Seat Reaction Loads = 2*QS(Bonnet)-QS(DiskDP)+QS(HubDP)
-1292.57 lb/in 0.387951 VF = mu/(cosA + musinA)
-4035.97 lbs Thrust Load = VF*(Sum Seat Reaction)*(Seat Circumference)
-5024 lbs Unwsdging Load (Static test)
TOTAL THRUST = Thrust Load + Unwedging Load =
l
-9060llbs NOTE: THE NEGATIVE SIGN INDICATES THAT THE STEM IS IN TENSION 9608130256 960806 PDR ADDCK 05000327 P
PDR Rev.
Prepared:
Checked:
MOV Calc No.
EPM-RJP-041091 Page 200 ERESSURE LOCKING EVALUATION FOR REOUIRED PULLOUT FORCE
. 1. "
. '~h INPUTS MOV 4-FCV-68-332 /
Valve type =
(FleEWedge '
VALVE DWG
VALVE DESIGN DATA MARK No.
8000A_
_ _D_1_ _ _ _ _E1 M1 2.937I f2.18f 70312 y-i O.4 theta =
e5 deg a=
((01 + E1) / 2) / 2 =
.1.281 a=
1.2810 inches ro=
0.406 inches b=
M1/ 2 =
0.406 = ro b=
0.406 inches v=
0.3 v= Poisson's Ratio = f? ' 70.3 l
u: fnction coefficient PRESSURE and TEMPERATURE DATA based on Calc method. & EPRI results
\\
theta =
1/2 total valve Pbon =
x m 2235 psi disk angle Phigh =
mmK300 psi Plow =
WWmMO psi l
DP=
300 psid Normal Temp =
awsmo F Max Temp =
"so F Delta Temp =
0 F Pbonnet = Pbon + (Delta Temp *33 psi /F) 2235 psi ROARK FORMULAS C2= (1/4)(1-(b/a)2[1+2in(a/b)]}
0.167176 C3= (b/4a)([(b/a)2+1]In(a/b)+(b/a)2-1}
0.028914 C8= (1/2)[1+v+(1-v)(b/a)2]
0.685158 C9= (b/a)([(1+v)/2]In(a/b)+[(1-v)/4][1-(b/a)2]}
0.286608 L11= (1/64)(1+4(ro/a)2-5(rola)4-4(rola)2[2+(rola)2]In(a/ro 0.005962 L17= (1/4)(1-((1-v)/4)[1-(rola)4]-(ro/a)2[1+(1+v)ln(a/ro)]} 0.144066 Load Constant = (C2L17-C8L11)/(C2C9-C3C8) [0.711633l SEAT REACTION LOAD (BONNET psi) Reaction at Hub Perimeter = OH(Bonnet) = Pbonnet(a)(Load Constant) 2037.4 lb/in Reaction at Seat: QS(Bonnet) = QH(Bonnet)(b/a)-(Pbonnet/2a)(a2-b2) -642.0 lb/in SEAT REACTION LOAD (Disk Area DP) Reaction at Hub perimeter = OH(DiskDP) = (DP)(a)(Load Constant) 273.4806 lb/in Reaction at Seat = QS(DiskDP) = QH(DiskDP)(b/a)-((DP)/2a(a2-b2)) -86.1714 lb/in SEAT REACTION LOAD (Hub Area DP) Force on Hub due to DP = Whub = QH(DPdisk)+(DP)PI(b^2))/2PI(b) 334.3806 lb/in -105.979 lb/in Reaction at Seat = QS(HubDP) = (-Whub)(b/a) Sum of Seat Reaction Loads = 2*QS(Bonnet)-QS(DiskDP)+QS(HubDP) -1303.76 lb/in 0.387951 VF = mu/(cosA + musinA) -4070.91 lbs Thrust Load = VF'(Sum Seat Reaction)*(Seat Circumference) --5024 lbs Unwedging Load (Static test) TOTAL THRUST = Thrust Load + Unwedging Load = l -9095llbs NOTE: THE NEGATIVE SIGN INDICATES THAT THE STEM IS IN TENSION i Rev. Prepared: Checked:
MOV Calc No. EPM-RJP-041091 Page 3or 3 PRESSURE LOCKING REQUIREMENT = 9095 lbs
- 1-ACTUATORNALVE CAPABILITY EVALUATION CALCULATION
IEPM-RJP-041091"- ~ Actuator Model f[SMBh003 Motor Start Torque (MT) ["7755'filbs ff;@;; $40 % f39 Overall Gear Ratio (OGR) FA Pullout Efficiency (PE) $5 ]jdQ1] 2 Application Factor (AF) 0.9 or 1.0 Valve Factor (VF) 1.0 or (VF/460)7 0.7820; 406.9VAC Stem Factor (SF) gj Max Temperature (Temp) 327 F Loss Percentage (elevated temp) NIS $% Note 1 T Torque Loss Factor = 1-Loss %*(Temp-104)/(356-77) 0.8146 Actuator Torque Capability = (MT
- OGR
- PE
- AF
- TLF
- VF) 312.13 filbs SF =
, Actuator Thrust Capability = Torque / Stem Factor 20008lbs 0.0156 [F ?250.00ifties ~3;<19600'Ibs Actuator Thrust TTorque Rating Valve Weak Link Thrust / Torque Rating %dQibs SF = 228.54 filbs 0.0156 E$j{$@lbs r SF = Seismic Thrust / Torque Rating 335.40 filbs 0.0156 Note 1:
Reference:
Limitorque Technical Update 93-03 RESULTS: PRESSURE LOCKING REQUIREMENT = 9095 lbs j ACTUATOR / VALVE LIMITING CAPABILITY = 14650 lbs COMMENTS: g O .}}