ML20116J539
| ML20116J539 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 08/06/1996 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20116J490 | List: |
| References | |
| EPM-RJP-031191, EPM-RJP-31191, NUDOCS 9608130257 | |
| Download: ML20116J539 (3) | |
Text
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e MOV Calc No.
EPM-RJP-031191 Page ( oF 3 ERfSS(JRE LOCKING EVALUATION FOR REQUIRED PULLOUT FORCE R
-, ^ \\ }.= INFUTS MOV F1-FCV-68 333 ;
Valve type =
(Flex Wedge ~
VALVE DWG g f 88405-2 5 EPRI MOV PPP INTERNAL DEslGN INFO, Ref.
VALVE DESIGN DATA MARK No. U y80008 D1 E1 M1 C2.937[32.Y8[ ' [0.812 y:
10.4 theta =
iS 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: fnction coefficient i'RESSURE and TEMPERATURE DATA based on Calc method. & EPRI results theta =
1/2 total valve w 22250 psi disk angle Pbon =
wwedO psi Phlgh =
mWst0 ps!
riow =
0 psid DP=
Nomial Temp =
t;e es0 F
.ewO F
Max Temp =
O F Delta Temp =
Pbonriet = Pbon + (Delta Temp *33 psi /F) 2250 psi l
ROARK FORMULAS 0.167176 C2= (1/4)(1-(b/a)2[1+2in(a/b} C3= (b/4a)([(b/a)2+1]In(a/b)+(b/a)2-1) 0.028914 0.685158 C8= (1/2)[1+v+(1-v)(b/a)2] 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(ro/a)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)ln(a/ro)]) 0.144066 Load Constant = (C2L17-C8L11p(C2C9-C3C8) l0.7116331 4 SEAT REACTION LOAD (BONNET psi) Reaction at Hub Perimeter = QH(Bonnet) = Pbonnet(a)(Load Constant) 2051.1 lb/in Reaction at Seat: QS(Bonnet) = QH(Bonnet)(b/a)-(Pbonnet/2a)(a2 b2) -646.3 lb/in SEAT REACTION LOAD (Di:rd Area DP) 0 lb/in Reaction at Hub perimeter = QH(DiskDP) = (DP)(a)(Load Constant) 0 lb/in i Reaction at Seat = QS(DiskDP) = QH(DiskDP)(b/a)-((DP)/2a(a2-b2)) SEM FP. ACTION LOAD (Hub Area DP) 0 lb/in Force on Hub due to DP = Whub = OH(DPdisk)+(DP)PI(o^2))/2PI(t - 0 lb/in Reactica at Seat = QS(HebDP) = (-Whub)(b/a) Sum of Seat Peaction Loads = 2*QS(Bonnet)-QS(DiskDP)+QS(HubDP) -1292.57 lb/in VF = mui(cosA + musinA) 0.387St -4035.97 lbs Thrust Load = VF'(Sum Seat Reaction)*(Seat Circumference) -3666 lbs Unwedging Load (Static test) TOTAL THRUST = Thrust Load + Unwedging Load = l -7702libs NOTE: THE NEGATIVE SIGN INDICATES THAT THE STEM IS IN TENSION 7608130257 960806 PDR ADDCK 05000327 P PDR Rev. Prepared: k .t Checked: rv
J s
- M'OV Calc No.
EPM-RJP-031191 Page _2 or 3 PRESSURE LOCKING EVALUATION FOR REQUIRED PULLOUT FORCE i wC" T MOV !1-FCV-68-333 i Valve type = ' Flex' Wedge ' l ( " ~R =INFUTS VALVE DWG T88406-2! EPRI MOV PPP INTERNAL DESIGN INFO. Ref. 4 VALVE DESIGN DATA MARK No.
- 80006 D1 E1 M1 T2.937[72.1lB7,[2 ' [0.8l12 u-w + 0.4 theta-
+5 deg a= ((D1 + E1) / 2) / 2 = 1.281 j i a= 1.2810 inches ro= 0.406 inches b= M1/ 2 = 0.406 = ro i b= 0.406 inches v= 0.3 v= Poisson's Ratio = T 0.3 1 u: fnction coefficient PRESSURE and TEMPERATURE DATA based on Calc method. & EPRI results theta = 1/2 total valve ,3 Pbon = m 2W psi disk angle l Phigh = w m 300 psi Plow = etm#WO psl i DP = 300 psid i Normal Temp = em>mo F Max Temp = s=wr 0 F j Delta Temp = 0 F Pbonnet = Pbon + (Delta Temp *33 psi /F) 2235 psi a ROARK FORMULAS i i C2= (1/4)(1-(b/a)2[1+2in(a/b)l} 0.167176 C3= (b/4a)([(b/a)2+1]In(a/b)+(b/a)2-1) 0.028914 l C8= (1/2)[1+v+(1-v)(b/a)?] 0.685158 j C9= (b/a)([(1+v)/2]In(a/b)+[(1-v)/4][1-(b/a)2]) 0.286608 d L11= (1/64)(1+4(rola)2-5(rola)4-4(ro/a)2[2+(ro/a)2]In(a/ro)) 0.005962 L17= (1/4)(1-((1-v)/4)(1-(ro/a)4]-(ro/a)2[1+(1+v)ln(a/ro)]) 0.144066 Lord Constant = (C2L17-C8L11)/(C2C9-C3C8) l 0.7116331 SEAT REACTION LOAD (BONNET psi) l Reaction at Hub Perimeter = QH(Bonnet) = Pbonnet(a)(Load Constant) 2037.4 lb/in j Reaction at Seat: QS(Bonnet) = QH; Bonnet)(b/a)-(Pbonnet/2a)(a2-b2) -642.0 lb/in 3 SEAT REACTION LO AD idisk Area DP) f Reaction at Hub perimeter = QH(DiskDP) = (DP)(a)(Load Consunt) 273.4806 lblin Reactinn at Seat = QS(DiskDP) = QH(DiskDP)(b/a)-((DP)/2a(a2-b2)) -86.1714 lblin SEAT REACTION LOAD (Hub Area DP) 334.3806 lb/in Force on Hub due to CP = Whub = QH(DPdisk)+(DP)PI(b^2))/2Pl(b) -105.979 lb/in Reaction at Seat o QS(HubDP) = (-Whub)(b/a) Sum of Seat Reaction Loads = 2*QS(Bonnet)-QS(DiskDP)+QS(HubOP) -1303.76 lb/in 0.387951 VF = mu/(cosA + musinA) Thrust Load = VF'(Sum Seat Reaction)*(Seat Circumference) -4070 91 lbs -3666 lbs Unw2dging Load (Static test) TOTAL THRUST = Thrust Load + Unwedging Load = l -7737llbs NOTE: THE NEGATIVE SIGN INDICATES THAT THE STEM IS IN TENSION 3 Rev. Preparei t Checked: i
l
- MdV Calc No.
EPM-RJP-031191 Page 3# . PRESSURE LOCKING REQUIREMENT = 7737lbs n 'l :, ..l ACTUATORNALVE CAPABILITY EVALUATION CALCULATION: iEPM' RJP-031191 Actuator Model [SjjByl Motor Start Torque (MT) ??72(filbs Overall Gear Ratio (OGR) g/^^~ $9, Pullout Efficien y (PE) [;3b]MO,% Application Factor (AF) 0.9 er 1.0 kpf$f0.9] k M.0000) 424.4VAC h:O$f0Ml56] Valve Factor (VF) 1.0 or (VF/460)"2 Stem Factor (SF) Max Temperaturc (Temp) 327 F Loss Percentage (elevated temp) M K4232 % Note 1 Torque Loss Factor = 1-Loss %*(Temp-104)/(356-77) 0.8146 Actuator Torque Capability = (MT
- OGR
- PE
- AF
- TLF
- VF) 359.22 filbs SF =
, Actuator Thrust Capability = Torque / Stem Factor 23027lbs 0.0156 Actuator Thrust / Torque Rating [gs~;196'0]0 Ibs EN250 d,ft!bs Valve Weak Link Thrust / Torque Rating Ei35sD]!bs SF = 228.54 filbs 0.0156 Seismic Thrust / Torque Rating @[5@lbs, SF= 335.40 ft!bs 0.0156 Nota 1:
Reference:
Limitorque Technical Update 93-03 RESULTS: PRESSURE LOCKING REQUIREMENT = 7737 lbs ACTUATOR / VALVE LIMITING CAPABIL!TY = 14650 lbs COMMENTS: Rev. Prepared: Checked: W/ _ _ _ - _ _ _ _ - _ _ _ _}}