◆对夹升降式止回阀规格尺寸表: 公称压力 MPa | 公称通径 DN | 尺寸(mm) | L | D1 | D2 | D3 | D4 | D5 | PN1.0MPa PN1.6MPa | 15 | 16 | 52 | 15 | 24 | 31 | 40 | 20 | 19 | 62 | 19 | 30 | 40 | 50 | 25 | 22 | 72 | 24 | 35 | 47 | 58 | 32 | 28 | 83 | 31 | 46 | 56 | 68 | 40 | 31.5 | 93 | 39 | 55 | 66 | 78 | 50 | 40 | 108 | 48 | 65 | 78 | 90 | 65 | 46 | 128 | 62 | 80 | 95 | 110 | 80 | 50 | 142 | 76 | 96 | 110 | 128 | 100 | 60 | 162 | 95 | 115 | 132 | 150 | 125 | 90 | 192 | 110 | 125 | 135 | |