ML20116J509
| ML20116J509 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 08/06/1996 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20116J490 | List: |
| References | |
| 2-FCV-63-157, GL-89-10, NUDOCS 9608130246 | |
| Download: ML20116J509 (2) | |
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'MdV Calc No.
2-FCV-63-157 (GL 89-10)
Page lof't PRESSURE LOCKING EVALUATION FOR REOUIRED PULLOUT FORCE l k=lNPUTS MCV
'2-FCV-63157 ;_
Valve type =
- FlesWedge!
n.
'. 7 VALVE DWG l88517-3D EPRI MOV PPP INTERNAL DESIGN INFO, Ref.
VALVE DESIGN DATA MARK No. &8802A -
,. D1 E1
, M,1_
4.28125
- 2.93751. 1 2.2.5 y:
a e s 0.4 theta =
35 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 = IUPO.3' u - fnction coefficient PRESSURE and TEMPERATURE DATA based on Calc method. & EPRI results theta =
1/2 total valve Pbon =
32235 psi disk angle Phigh =
wpu25 psi Plow =
cn2220 psl DP =
25 psid NormalTemp =
aww0 F
&mpmo F
Max Temp =
0 F Deha Temp =
..Pbonnet = Pbon + (Delta Temp *33 psi /F) 2235 psi ROARK FORMULAS 0.041969 C2= (1/4)(1-(b/a)2[1+2in(a/b)]}
0.004014 C3= (b/4a)([(b/a)2+1]In(a/b)+(b/a)2-1}
C8= (1/2)[1+v+(1-v)(b/a)2]
__0.817913 0.2284 C9= (b/a)([(1+v)/2]In(a/b)+[(1-v)/4][1-(bla)2]}
L11= (1/64)(1+4(rola)2 5(rola)4-4(rola)2[2+(rola)2]In(a/ro 0.000322 0.039121 L17= (1/4)(1-((1 v)/4)[1-(ro/a)4]-(ro/a)2[1+(1+v)ln(a/ro)]} Load Constant = (C2L17-C8L11)/(C2C9-C3C8) l 0.2187121 SEAT REACTION LOAD (BONNET psi) 882.2 lb/in Reaction at Hub Perimeter = QH(Bonnet) = Pbonnet(a)(Load Constant) -438.2 lb/in Reaction at Seat: QS(Bonnet) = QH(Bonnet)(b/a)-(Pbonnet/2a)(a2-b2) 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 = OH(DPdisk)+(DP)PI(b^2))/2PI(b) -17.6573 lb/in Reaction at Seat = QS(HubDP) :': ( Whub)(b/a) -889.114 lb/in Sum of Seat Reaction Loads = 2*QS(Bonnet)-QS(DiskDP)+QS(HubDP) 0.387951 VF = mu/(cosA + musinA) -3911.15 lbs Thrust Load = VF'(Sum Seat Reaction)*(Seat Circumference) 59630 lbs Unwsdging Load (Static test) ~ l -13541.1llbs TOTAL THRUST = Thrust Load + Unwedging Load = NOTE: THE NEGATIVE SIGN INDICATES THAT THE STEM IS IN TENSION 9608130246 960806 PDR ADOCK 05000327 P PDR Rev. Prepared: Checked: gg n u
) MOV Calc No. 2-FCV-63-157 (GL 69-10) Page 2oF1 ? PRESSURE LOCKING REQUIREMENT = 13541 (bs ACTUATORNALVE CAPABILITY EVALUATION CALCULATION: '2-FCV-63-4 57 Actuator Model 'SMS-D i Motor Start Torque (MT) ..J40 filbs Overall Gear Ratio (OGR) (41.33' Pullout Efficiency (PE) (40% Application Factor (AF) 0.9 or 1.0 .g {0.9 Valve Factor (VF) 1.0 or (VF/460)"2 ? $1.0000 434.3VAC 0.0jd Stem Factor (SF) i 215 F Max Temperature (Temp) j Loss Percentage (elevated temp) E2Q% Note 1 Torque Loss Factor = 1 Loss %*(Temp-104)/(356-77) 0.9069 s Actuator Torque Capability = (MT
- OGR
- PE
- AF
- TLF
- VF) 539.75 filbs SF =
1 .. Actuator Thrust Capability = Torque / Stem Factor 31564lbs 0.0171 Actuator Thrust / Torque Rating i~~:24000 lbs O_1500, filbs l f Valve Weak Link Thrust / Torque Rating [ 20200 lbs SF = 345.42 ftibs 0.0171 k' Seismic Thrust / Torque Rating CQ{0,00 lbs SF = 410.4 filbs 0.0171 i, 3 Note 1:
Reference:
Limitorque Technical Update 93-03 \\ ] RESULTS: PRESSURE LOCKING REQUIREMENT = 13541 lbs ACTUATOR / VALVE LIMITING CAPABILITY = 20200 lbs i j COMMENTS: 5 T l i I 4 ) s k 2 aev. erepared: Checked: .}}