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Type 526Orifice LSelection chart150 x 150 300L x 150 300 x 150 600 x 150 900 x 150 1500 x 150 2500 x 300WCB 5262.232X 5262.233X 5262.234X 5262.235X 5262.236X 5262.237X –WC6 – – 5267.238X 5267.239X 5267.240X 5267.241X –1000p [bar]0 20 40 60 80 100WCB WC6T [°F]900800700600500400300200400300200100T [°C]100000 250500 750 1000 1250 1500p [psig]L150 x 150 300L x 150 300 x 150 600 x 150 900 x 150 1500 x 150 2500 x 300CF8M 5264.242X 5264.243X 5264.244X 5264.245X 5264.246X – –1000p [bar]0 20 4060 80 100900800700600400300CF8MT [°F]50040030020010002001000T [°C]-100-200-300-400-100-2000 250500750100012501500p [psig]01/44 LWN 480.01-E
Type 526Orifice LArticle numbers, dimensions and weightsArticle numbersValve size 3 L 4 3 L 4 4 L 6 4 L 6 4 L 6 4 L 6Flange rating class Inlet x Outlet 150 x 150 300L x 150 300 x 150 600 x 150 900 x 150 1500 x 150Actual Orifice diameter d 0 [mm] 53,5 53,5 53,5 53,5 53,5 53,5Body materialActual Orifice area A 0 [mm 2 ] 2248 2248 2248 2248 2248 2248WCB 1.0619 Art.-No. 5262.232 ¤ 5262.233 ¤ 5262.234 ¤ 5262.235 ¤ 5262.236 ¤ 5262.237 ¤CF8M 1.4408 Art.-No. 5264.242 ¤ 5264.243 ¤ 5264.244 ¤ 5264.245 ¤ 5264.246 ¤ –WC6 1.7357 Art.-No. – – 5267.238 ¤ 5267.239 ¤ 5267.240 ¤ 5267.241 ¤LCB Art.-No. 5263.540 ¤ 5263.541 ¤ 5263.542 ¤ 5263.543 ¤ 5263.544 ¤ 5263.545 ¤¤)Please add code for the required cap or lifting device. See below.Dimensions and weightsMetric UnitsWeight 70,1 70,1 112,2 122 134,1 127,5[kg] with bellows 75,7 75,7 118,8 128,6 140,7 134,1Center to face Inlet a 156 156 179 179 197 197[mm] Outlet b 165 165 181 203 222 222s 49 49 49 57 72 72Height (H4) Standard H max. 758 758 853 853 871 871[mm] Bellows H max. 796 796 886 886 904 904Support brackets A 238 238 278 278 278 278[mm] B 140 140 160 160 160 160C Ø 18 Ø 18 Ø 18 Ø 18 Ø 18 Ø 18D 206 206 262 262 280 280E 25 25 25 25 25 25US UnitsWeight 154,6 154,6 247,4 269 295,7 281,1[lbs] with bellows 166,9 166,9 262 283,6 310,2 295,7Center to face Inlet a 6 1 / 8 6 1 / 8 7 1 / 16 7 1 / 16 7 3 / 4 7 3 / 4[inch] Outlet b 6 1 / 2 6 1 / 2 7 1 / 8 8 8 3 / 4 8 3 / 4Ls 1 15 / 16 1 15 / 16 1 15 / 16 2 1 / 4 2 3 / 4 2 3 / 4Height (H4) Standard H max. 29 27 / 32 29 27 / 32 33 19 / 32 33 19 / 32 34 9 / 32 34 9 / 32[inch] Bellows H max. 31 11 / 32 31 11 / 32 34 7 / 8 34 7 / 8 35 19 / 32 35 19 / 32Support brackets A 9 3 / 8 9 3 / 8 10 15 / 16 10 15 / 16 10 15 / 16 10 15 / 16[inch] B 5 1 / 2 5 1 / 2 6 5 / 16 6 5 / 16 6 5 / 16 6 5 / 16C Ø 23 / 32 Ø 23 / 32 Ø 23 / 32 Ø 23 / 32 Ø 23 / 32 Ø 23 / 32D 8 3 / 32 8 3 / 32 10 15 / 16 10 15 / 16 11 11E 31 / 32 31 / 32 31 / 32 31 / 32 31 / 32 31 / 32¤ Code for lifting deviceLifting device H2 H3 H4 H3Bonnet closed closed closed openWCB 1.0619, WC6 1.7357, LCB 2 3 4 5CF8M 1.4408 2 – 4 –Support bracketsConventional designBalanced bellows designLWN 480.01-E01/45
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APIFlanged Safety Relief ValvesSeri
Page 3 and 4:
ContentsChapter/PageGeneral 00/01Ap
Page 5 and 6:
General InformationGeneralApplicati
Page 7 and 8: Valve finderHow to find the right A
Page 9 and 10: How to useSelection chartsGeneralTh
Page 11 and 12: How to useGeneral8Base of calculati
Page 13 and 14: LEOLGeneralThis table is based on t
Page 15 and 16: TypeType 526Type 526Packed lever H4
Page 17 and 18: Type 526Conventional designItemMate
Page 19 and 20: Type 526Balanced bellows designMate
Page 21 and 22: Type 5264 5 6Options Documentation
Page 23 and 24: Type 526Article numbers - OverviewA
Page 25 and 26: d 0 = Actual orifice diameterA 0 =
Page 27 and 28: d 0 = Actual orifice diameterA 0 =
Page 29 and 30: Type 526WeightsUS UnitsBonnetallLif
Page 31 and 32: Type 526Orifice DArticle numbers, d
Page 33 and 34: Type 526Orifice DPressure temperatu
Page 35 and 36: Type 526Orifice EArticle numbers, d
Page 37 and 38: Type 526Orifice EPressure temperatu
Page 39 and 40: Type 526Orifice FArticle numbers, d
Page 41 and 42: Type 526Orifice FPressure temperatu
Page 43 and 44: Type 526Orifice GArticle numbers, d
Page 45 and 46: Type 526Orifice GPressure temperatu
Page 47 and 48: Type 526Orifice HArticle numbers, d
Page 49 and 50: Type 526Orifice HPressure temperatu
Page 51 and 52: Type 526Orifice JArticle numbers, d
Page 53 and 54: Type 526Orifice JPressure temperatu
Page 55 and 56: Type 526Orifice KArticle numbers, d
Page 57: Type 526Orifice KPressure temperatu
Page 61 and 62: Type 526Orifice LPressure temperatu
Page 63 and 64: Type 526Orifice MArticle numbers, d
Page 65 and 66: Type 526Orifice MPressure temperatu
Page 67 and 68: Type 526Orifice NArticle numbers, d
Page 69 and 70: Type 526Orifice NPressure temperatu
Page 71 and 72: Type 526Orifice PArticle numbers, d
Page 73 and 74: Type 526Orifice PPressure temperatu
Page 75 and 76: Type 526Orifice QArticle numbers, d
Page 77 and 78: Type 526Orifice QPressure temperatu
Page 79 and 80: Type 526Orifice RArticle numbers, d
Page 81 and 82: Type 526Orifice RPressure temperatu
Page 83 and 84: Type 526Orifice TArticle numbers, d
Page 85 and 86: Type 526Orifice TPressure temperatu
Page 87 and 88: Type 526Flange facingsIndication St
Page 89 and 90: Orifice900 x 300 1500 x 300 2500 x
Page 91 and 92: Type 526Spare parts - Disc (Item 7)
Page 93 and 94: Type 526Spare parts - Stainless ste
Page 95 and 96: Type 526Spare parts - Gasket Body /
Page 97 and 98: Type 526Spare parts recommendations
Page 99 and 100: Type 526ApprovalsApprovalsOrifice D
Page 101 and 102: Type 526Capacities - SteamCapacitie
Page 103 and 104: Type 526Capacities - AirCapacities
Page 105 and 106: Type 526Capacities - WaterCapacitie
Page 107 and 108: Accessoriesand OptionsContentsChapt
Page 109 and 110:
Accessories and OptionsCaps and lev
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Accessories and OptionsCaps and lev
Page 113 and 114:
Accessories and OptionsMetal seat -
Page 115 and 116:
Accessories and OptionsSoft seal di
Page 117 and 118:
Accessories and OptionsSoft sealSof
Page 119 and 120:
Accessories and OptionsBalanced bel
Page 121 and 122:
Accessories and OptionsLift indicat
Page 123 and 124:
Accessories and OptionsHeating jack
Page 125 and 126:
Accessories and OptionsO-ring dampe
Page 127 and 128:
Fax OrderPlease send your request t
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