ML20116J502
| ML20116J502 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 08/06/1996 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20116J490 | List: |
| References | |
| EPM-RJP-022791, EPM-RJP-22791, NUDOCS 9608130244 | |
| Download: ML20116J502 (2) | |
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P50V Calc No.
EPM-RJP-022791 Page 1 of1 ERFScURE LOCKING EVALUATION FOR REQUIRED PULLOUT FORCE
} } IN, PUTS WR
- 1 FCV-63167l Valve type =
Flex Wedge VALVE DWG, J885f 7-3 ;
EPRI MOV PPP INTERNAL DESIGN INFO, Ref.
VALVE DESIGN DATA MARK No.
l8802A D1_ _
E1 M1
]
[4.28125; E2.9375 E23 y -.
- 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
)
i b=
1.250 inches v=
0.3 v= Poisson's Ratio = _, : 0.3.
u = friction coefficient j
PRESSURE and TEMPERATURE DATA based on Calc method. & EPRI results
\\
theta =
1/2 total valve d
Pbon =
e n2235 psi disk angle Phigh =
r e m 25 psi Plow =
wcau0 psi DP=
25 psid Normal Temp =
earms0 F
Max Temp =
eno F
Delta Temp =
O F j
'Pbonnet = Pbon + (Delta Temp *33 psi /F) 2235 psi ROARK FORMULAS l
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= (1/64)(1+4(ro/a)2-5(rola)4-4(ro/a)2[2+(rola)2]In(a/ro)} 0.000322 L17= (1/4)(1-((1-v)/4)(1-(ro/a)4]-(ro/a)2[1+(1+v)ln(a/ro)}} 0.039121 Load Constant = (C2L17-C8L11)/(C2C9-C3C8) 1 0.218712l J SEAT REACTION LOAD (BONNET psi) l 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 lbfin SEAT REACTION LOAD (Disk Area DP) 9.86767 lb/in Reaction at Hub perimeter = OH(DiskDP) = (DP)(a)(Load Constant) Reaction at Seat = QS(DiskDP) = QH(DiskDP)(b/a)-((DP)/2a(a2-b2)) -4.90133 lbfin l SEAT REACTION LOAD (Hub Area DP) Force on Hub due to DP = Whub = CH(DPdisk)+(DP)PI(b*2))/2PI(b) 25.49267 lb/in -17.6573 lb/in Reaction at Seat = QS(HubDP) = (-Whub)(b/a) - Sum of Seat Reaction Loads = 2*QS(Bonnet)-QS(DiskDP)+QS(HubDP) -889.114 lb/in 0.387951 VF = mu/(cosA + musinA) -3911.15 lbs Thrust Load = VF*(Sum Seat Reaction)*(Seat Circumference) -4056 lbs Unwsdging Load (Static test) TOTAL THRUST = Thrust Load + Unwedging Load = l -7967.15llbs NOTE: THE NEGATIVE SIGN INDICATES THAT THE STEM IS IN TENSION l 9608130244 960806 i PDR ADDCK 05000327 P PDR Rev. Prepared: Checked: / M
1 .-\\ ~ 'MO'V Calc No. EPM-RJP-022791 Pcgs 2e4 ,, y.. PRESSURE LOCKING REQUIREMENT = 7967 lbs ACTUATORNALVE CAPABILITY EVALUATION CALCULATION: EPM.RJP-022791 i Actuator Model 1SMB-01 Motor Start Torque (MT) 5"$640lftibs Overall Gear Ratio (OGR) j41L33 ) s Pullout Efficiency (PE) x a 'j[40;% i Application Factor (AF) 0.9 or 1.0 $ 30.9 i Valve Factor (VF) 1.0 or (VF/460)"2 1.0000 430.6VAC Stem Factor (SF) ggf0.0jl1,; s l Max Temperature (Temp) 215 F M 233 % I Note 1 Loss Percentage (elevated temp) Torque Loss Factor = 1-Loss %*(Temp-104)/(356-77) 0.9069 Actuator Torque Capability = (MT
- OGR
- PE
- AF
- TLF
- VF) 539.75 ftibs SF =
Actuator Thrust Capability = Torque / Stem Factor 31564 lbs 0.0171 Actuator Thrust / Torque Rating l7724000llbs IAafj5,00]ftlbs Valve Weak Link Thrust / Torque Rating [20200;lbs SF = 345.42 filbs 0.0171 Seismic Thrust / Torque Rating (([$24000)lbs SF = 410.4 filbs 0.0171 Note 1:
Reference:
Limitorque Technical Update 93-03 RESULTS: PRESSURE LOCKING REQUIREMENT = 7967lbs ACTUATOR / VALVE LIMITING CAPABILITY = 20200 lbs COMMENTS: i Checked: // Rev. Prepared: .}}