API - Leser

Type 526Orifice TPressure temperature ratingsMetric UnitsTValve size 8 T 10 8 T 10 8 T 10Flange rating class Inlet x Outlet 150 x 150 300L x 150 300 x 150Actual Orifice diameter d 0 [mm] 161,5 161,5 161,5Actual Orifice area A 0 [mm 2 ] 20485 20485 20485Body material: WCB 1.0619Temperature rangePressure range p [bar] S/G/LMaximum -29 to 38 °C 4,5 20,7set pressure39 to 232 °C 4,5 20,7233 to 427 °C 4,5Use 8 T 1020,7Outlet pressure limit300 x 1502,1 6,9Conventional designOutlet pressure limitBalanced bellows designBody material: CF8M 1.4408Temperature range2,1 6,9Pressure range p [bar] S/G/LMaximum -268 to -60 °C 3,4 4,5set pressure-59 to -29 °C 4,5 8,3Outlet pressure limitConventional designOutlet pressure limitBalanced bellows designBody material: WC6 1.7357-28 to 38 °C 4,5 8,339 to 232 °C 4,5 Use 8 T 108,3233 to 427 °C 4,5 300 x 1508,3428 to 538 °C 1,4 8,3Temperature range2,1 4,12,1 4,1Pressure range p [bar] S/G/LMaximum 233 to 427 °C – 20,7set pressure428 to 538 °C – 15,5Outlet pressure limitConventional designOutlet pressure limitBalanced bellows designBody material: LCBTemperature rangeUse 8 T 10– 300 x 1506,9– 6,9Pressure range p [bar] S/G/LMaximum -46 to 38 °C 18,4 48,0set pressure39 to 200 °C 13,8 42,5201 to 343 °C 8,4 36,4Use 8 T 10Outlet pressure limit300 x 1502,1 6,9Conventional designOutlet pressure limitBalanced bellows design2,1 6,9Remark: 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.01/70 LWN 480.01-E