有谁知道这是什么安全阀规格与型号

有谁知道这是什么安全阀规格与型号 position? ? ? ? tag no? ? ? ? description 1? ? ? ? 12x10-psv-0015 sp1, 12x10-psv-0015 sp2? ? ? ? "pilot type psv, inlet 4"" 2500# rj, outlet 6"" 300#rf, body mat. astm b564 uns 06625, trim mat. alloy 625 uns 06625 and inconel 718 spring" 2? ? ? ? 12-11 -psv-001 1? ? ? ? "pilot type psv inlet 2"" 1500# rj, outlet 3"" 300#rf, body mat. astm b564 uns 06625, trim mat. alloy 625 uns 06625 and inconel 718 spring" 3? ? ? ? 12-06-psv-0007? ? ? ? "inlet 1 1/2"" 900# rj, outlet 2"" 300#rf, body mat. a216 wcb/astm a105n , trim material astm a182 gr. f6a and inconel spring" 4? ? ? ? 12x12-psv-0007a? ? ? ? "pilot type psv inlet 3"" 900# rj, outlet 4"" 300#rf, body mat. astm b564 uns 06625 , trim mat. alloy 625 uns 06625 and inconel 718 spring" 5? ? ? ? 12-23-psv-0006? ? ? ? "inlet 1 1/2"" 300# rf, outlet 3"" 150#rf, body mat. a216 wcb & trim mat astm a182 gr. f6a . spring material ss316." 6? ? ? ? 12-06-psv-0025? ? ? ? "inlet 1 1/2"" 1500# rj, outlet 2"" 300# rf, body mat. a216 wcb/astm a105n,trim mat astm a182 gr. f6a and inconel spring"