【ZDLM电子式电动套筒调节阀-允许压差】公称通径(mm)253240506580100125150200250300阀座直径(mm)253240506580100125150200250300执行机构允许压差△P(MPa)配PSLPSL2026.43.146.41.926.41.235.10.78PSL2044.312.761.766.41.046.40.695.620.44PSL2081.861.230.786.40.505.310.353.970.20PSL3201.260.870.496.40.324.140.22配361L381LSA-206.43.146.41.926.41.236.40.78381LSB-506.41.166.40.766.250.49381LSC-656.40.644.320.413.230.28381LSC-990.630.440.253.310.160.270.11)