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

0 2550 75 100 150 200 250 300 350 4001000538500900800427400700600300500400200300200100100000 5001000 1500 2000 3000 4000 5000 60000 2510009008007006005004003002001000-100-200-300-4000 500501000751001500200015020030002504000300350500040060005385004274003002001000-100-200Valve finderHow to find the right API Safety ValveGeneralStep Procedere Reference6LESER Type 5265Determination of thecode for lifting deviceCap H2 Plain lever H3 Packed lever H4 Plain lever H3Open bonnetCode 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 –4Determinationof:Selection chartType 526Orifice D150 x 150 300L x 150 300 x 150 600 x 150 900 x 300 1500 x 300 2500 x 300WCB 5262.001X5262.002X 5262.003X5262.004X 5262.005XWC6–5267.006X 5267.007X 5267.008X 5267.009XSpecification tableArticle numbers, dimensions and weightsArticle numbers• Flange rating class• Article No.WCB WC6T [°F]p [bar]T [°C]Valve size 1 D 2 1 D 2 1 D 2Flange rating class Inlet x Outlet 150 x 150 300L x 150 300 x 150Actual Orifice diameter d 0 [mm] 14 14 14Actual Orifice area A 0 [mm 2 ] 154 154 154Body materialWCB 1.0619 Art.-No. 5262.001 ¤ 5262.002 ¤CF8M 1.4408 Art.-No. 5264.010 ¤ 5264.011 ¤Use 1 D 2300 x 150WC6 1.7357 Art.-No. – 5267.006 ¤LCB Art.-No. 5263.500 ¤ 5263.501 ¤p [psig]3Determinationofthe materialCF8MCF8MT [°F]150 x 150 300L x 150 300 x 150 600 x 150 900 x 300 1500 x 300 2500 x 3005264.010X 5264.011X 5264.012X 5264.013X 5264.014Xp [bar]Corrosive serviceTemperature< -29 °C< -20 °FT [°C]ApplicationTemperature-46 to 343 °C-50 to 650 °FNon-corrosive serviceTemperature≥ -29 °C≥ -20 °FSelection chartCF8Mp [psig]Selection chartCF8MLCB(ASME B16.34)Selection chartWCB/WC62Determinationof therequired orifice letter (sizing)For Orifice > Tsee Type 441 XXLAPI RP 520 VALVESTAR ® (Sizing software) Capacity tableSizing, Selection andInstallation of Pressure-Relieving Devices inRefineriesPart I –Sizing and SelectionAPI RECOMMENDEDPRACTICE 520Capacities – SteamCapacities for saturated steam according to AD 2000-Merkblatt A2,based on set pressure plus 10 % overpressure.Capacities at 1 bar (14.5 psig) and below are based on 0.1 bar(1.45 psig) overpressure.)Metric Units AD 2000-Merkblatt A2 [kg/h]D E F G HOrificed0 [mm] 14 14 18 22.5 28.3Act. Orifice dia.Act. Orifice area A 0 [mm 2 ] 154 154 254 398 629LEOS/G* [inch 2 ] 0.111 0.196 0.324 0.506 0.801Set pressure [bar]Capacities [kg/h]0.2 19 54 89 139 2210.5 42 90 149 232 3671 71 134 221 345 5462 120 217 359 561 8883 166 296 489 764 12091Applicationdata:• Pressure, temperature• Capacity• MediumSteamMediaGasesLiquidsLESER Type 526 offerssingle trim for steam, gasand liquids in one design.How to findthe right API Safety Valve00/04