Safety valves according to API standard type 526 - Leser.ru

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Type 526Selection chartOrifice Q150 x 150 300L x 150 300 x 150 600 x 150 900 x 150 1500 x 150 2500 x 300WCB 5262.657X See 300 x 150 5262.658X 5262.659X – – –WC6 – See 300 x 150 5267.660X 5267.661X –– –WCB WC6T [°F]10009008007006005004003000p [bar]5 10 15 20 25 30 35 40538500427400300200T [°C]200100100000 100200 300 400 500 600p [psig]CF8M150 x 150 300L x 150 300 x 150 600 x 150 900 x 150 1500 x 150 2500 x 3005264.662X See 300 x 150 5264.663X 5264.664X – – –10009000p [bar]5 10 15 20 25 30 35 40538500800700427400600300500400200QCF8MT [°F]30020010001000T [°C]-100-200-100-300-200-4000 100200300400500600p [psig]01/60
Type 526Orifice QArticle numbers, dimensions and weightsArticle numbersValve size 6 Q 8 6 Q 8 6 Q 8 6 Q 8Flange rating class Inlet x Outlet 150 x 150 300L x 150 300 x 150 600 x 150Actual Orifice diameter d 0 [mm] 105.5 105.5 105.5 105.5Body materialActual Orifice area A 0 [mm 2 ] 8742 8742 8742 8742WCB 1.0619 Art.-No. 5262.657 ¤ 5262.658 ¤ 5262.659 ¤CF8M 1.4408 Art.-No. 5264.662 ¤ Use 6 Q 85264.663 ¤ 5264.664 ¤WC6 1.7357 Art.-No. – 300 x 1505267.660 ¤ 5267.661 ¤LCB Art.-No. 5263.559 ¤ 5263.560 ¤ 5263.561 ¤¤)Please add code for the required cap or lifting device. See below.Dimensions and weightsMetric UnitsWeight 221 221 221[kg] with bellows 230 230 230Center to face Inlet a 240 240 240[mm] Outlet b 241 241 241s 68 Use 6 Q 868 68Height (H4) Standard H max. 1120 300 x 1501120 1120[mm] Bellows H max. 1200 1200 1200Support brackets A 370 370 370[mm] B 210 210 210C Ø 18 Ø 18 Ø 18D 346 346 346E 25 25 25US UnitsWeight 487,3 487,3 487,3[lbs] with bellows 507,2 507,2 507,2Center to face Inlet a 9 7 / 16 9 7 / 16 9 7 / 16[inch] Outlet b 9 1 / 2 9 1 / 2 9 1 / 2s 2 11 / 16 Use 6 Q 82 11 / 16 2 11 / 16Height (H4) Standard H max. 44 1 / 8 300 x 15044 1 / 8 44 1 / 8[inch] Bellows H max. 47 1 / 4 47 1 / 4 47 1 / 4Support brackets A 14 9 / 16 14 9 / 16 14 9 / 16[inch] B 8 9 / 32 8 9 / 32 8 9 / 32C Ø 23 / 32 Ø 23 / 32 Ø 23 / 32D 13 5 / 8 13 5 / 8 13 5 / 8E 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 –QSupport bracketsConventional designBalanced bellows design01/61
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NH 3HCLProduct RangeLESER Safety Va
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GeneralGeneral InformationLESER - A
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GeneralValve finderHow to find the
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GeneralHow to useGeneral signs and
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GeneralHow to useSample Capacity sh
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GeneralLEOS/GThis table is based on
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GeneralSour gas service (H 2 S)Norm
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Type 526Conventional designType 526
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Type 526Balanced bellows designType
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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 UnitsBonnetLiftin
Page 31 and 32: Type 526Orifice DArticle numbers, d
Page 33 and 34: Type 526Pressure temperature rating
Page 35 and 36: Type 526Orifice EArticle numbers, d
Page 39 and 40: Type 526Orifice FArticle numbers, d
Page 43 and 44: Type 526Orifice GArticle numbers, d
Page 47 and 48: Type 526Orifice HArticle numbers, d
Page 51 and 52: Type 526Orifice JArticle numbers, d
Page 55 and 56: Type 526Orifice KArticle numbers, d
Page 59 and 60: Type 526Orifice LArticle numbers, d
Page 63 and 64: Type 526Orifice MArticle numbers, d
Page 67 and 68: Type 526Orifice NArticle numbers, d
Page 71 and 72: Type 526Orifice PArticle numbers, d
Page 73: Type 526Pressure temperature rating
Page 79 and 80: Type 526Orifice RArticle numbers, d
Page 83 and 84: Type 526Orifice TArticle numbers, d
Page 87 and 88: Type 526Flange drillingsFlange dril
Page 89 and 90: Orifice900 x 300 1500 x 300 2500 x
Page 91 and 92: Type 526Spare parts - ComponentsIte
Page 93 and 94: Type 526Spare parts - Disc (Item 7)
Page 95 and 96: Type 526Spare parts - Nozzle (Item
Page 97 and 98: Type 526Spare parts - Balanced bell
Page 99 and 100: Type 526Spare parts - Gasket Body /
Page 101 and 102: Type 526ApprovalsApprovalsOrifice D
Page 103 and 104: Type 526Capacities - SteamCapacitie
Page 105 and 106: Type 526Capacities - AirCapacities
Page 107 and 108: Type 526Capacities - WaterCapacitie
Page 109 and 110: Accessoriesand OptionsContentsChapt
Page 111 and 112: Accessories and OptionsCaps and lev
Page 113 and 114: Accessories and OptionsCaps and lev
Page 115 and 116: Accessories and OptionsMetal seat -
Page 117 and 118: Accessories and OptionsSoft seal di
Page 119 and 120: Accessories and OptionsSoft seal se
Page 121 and 122: Accessories and OptionsBalanced bel
Page 123 and 124: Accessories and OptionsHigh tempera
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Accessories and OptionsLift indicat
Page 127 and 128:
Accessories and OptionsHeating jack
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Safety valves according to API standard type 526 - Leser.ru

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