API - Leser

Type 526Orifice RPressure temperature ratingsUS UnitsValve size 6 R 8 6 R 8 6 R 10 6 R 10Flange rating class Inlet x Outlet 150 x 150 300L x 150 300 x 150 600 x 150Actual Orifice diameter d 0 [inch] 4,98 4,98 4,98 4,98Actual Orifice area A 0 [inch 2 ] 19,48 19,48 19,48 19,48Body material: WCB 1.0619Temperature range Pressure range p [psig] S/G/LMaximum -20 to 100 °F 100 100 230 300set pressure101 to 450 °F 100 100 230 300Outlet pressure limitConventional designOutlet pressure limitBalanced bellows designBody material: CF8M 1.4408451 to 800 °F 80 100 230 300Temperature range60 60 100 10060 60 100 100Pressure range p [psig] S/G/LMaximum -450 to -76 °F 55 55 150 200set pressure-75 to -21 °F 100 100 230 300-20 to 100 °F 100 100 230 300101 to 450 °F 100 100 230 300451 to 800 °F 80 80 230 300801 to 1000 °F 20 20 230 300Outlet pressure limitConventional design60 60 100 100Outlet pressure limitBalanced bellows design60 60 100 100Body material: WC6 1.7357Temperature rangePressure range p [psig] S/G/LMaximum 451 to 800 °F – – 100 300set pressure801 to 1000 °F – – 100 300Outlet pressure limitConventional design– – 60 100Outlet pressure limitBalanced bellows design– – 60 100Body material: LCBTemperature rangePressure range p [psig] S/G/LMaximum -50 to 100 °F 265 265 695 1395set pressure101 to 400 °F 200 200 615 1230401 to 650 °F 125 125 535 1065Outlet pressure limitConventional design60 60 100 100Outlet pressure limitBalanced bellows design60 60 100 100RRemark: 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.LWN 480.01-E01/67