API - Leser

Type 526Orifice HPressure temperature ratingsMetric UnitsHValve size 1 1 / 2 H 3 1 1 / 2 H 3 2 H 3 2 H 3 2 H 3 2 H 3Flange rating class Inlet x Outlet 150 x 150 300L x 150 300 x 150 600 x 150 900 x 150 1500 x 300Actual Orifice diameter d 0 [mm] 28,3 28,3 28,3 28,3 28,3 28,3Actual Orifice area A 0 [mm 2 ] 625 625 625 625 625 625Body material: WCB 1.0619Temperature rangePressure range p [bar] S/G/LMaximum -29 to 38 °C 19,7 19,7 51,0 102,1 153,1 189,7set pressure39 to 232 °C 12,8 19,7 42,4 85,2 127,2 189,7Outlet pressure limitConventional designOutlet pressure limitBalanced bellows designBody material: CF8M 1.4408233 to 427 °C 5,5 19,7 28,3 56,9 85,2 142,1Temperature range19,7 19,7 19,7 19,7 19,7 51,015,9 15,9 15,9 15,9 15,9 28,6Pressure range p [bar] S/G/LMaximum -268 to -60 °C 19,0 19,0 49,7 99,3 102,4 110,3set pressure-59 to -29 °C 19,0 19,0 49,7 99,3 149,0 189,7Outlet pressure limitConventional designOutlet pressure limitBalanced bellows designBody material: WC6 1.7357-28 to 38 °C 19,0 19,0 49,7 99,3 149,0 189,739 to 232 °C 12,4 12,4 34,1 67,2 102,4 171,0233 to 427 °C 5,5 5,5 29,0 58,3 87,2 145,5428 to 538 °C 1,4 1,4 24,1 48,3 72,4 120,7Temperature range19,0 19,0 19,0 19,0 41,4 41,415,9 15,9 15,9 15,9 15,9 28,6Pressure range p [bar] S/G/LMaximum 233 to 427 °C – – 35,2 70,0 105,2 175,2set pressure428 to 538 °C – – 14,8 29,7 44,8 74,5Outlet pressure limitConventional designOutlet pressure limitBalanced bellows designBody material: LCBTemperature range– – 19,7 19,7 19,7 51,0– – 15,9 15,9 15,9 28,6Pressure range p [bar] S/G/LMaximum -46 to 38 °C 18,4 18,4 48,0 96,0 144,1 240,1set pressure39 to 200 °C 13,8 13,8 42,5 85,1 127,6 212,7Outlet pressure limitConventional designOutlet pressure limitBalanced bellows design201 to 343 °C 8,4 8,4 36,4 72,8 109,2 182,019,7 19,7 19,7 19,7 19,7 51,015,9 15,9 15,9 15,9 15,9 28,6Remark: SA 352 Gr. LCB is not listed in the API 526. Pressure-Temperature Rating acc. to ASME B16.34 Table 2-1.3The stated Pressure-Temperature Rating are taken from ASME B16.34 Table 2-1.3Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and 1.0619with the respective pressure-temperature range as well.01/34 LWN 480.01-E