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气动对夹式蝶阀
Pneumatic actuated wafer butterfly valve
●外型尺寸，连接尺寸
Overall & Connection Dimensions
公称通径 | 尺寸 Size （mm） | ||||||||||||||
DN | |||||||||||||||
Nominal diameter | L | L1 | D | D1 | D2 | D3 | D4 | Φ | H1 | H2 | H3 | Z-Φd | |||
mm | inch | 1.0 | 1.6 | 1.0 | 1.6 | ||||||||||
50 | 2” | 42 | 103 | 52.9 | 125 | 125 | 92 | 77 | 57 | 12.6 | 70 | 147 | 101 | 4-Φ23 | 4-Φ23 |
65 | 2.5” | 44.7 | 103 | 64.5 | 145 | 145 | 110 | 77 | 57 | 12.6 | 76 | 155 | 101 | 4-Φ23 | 4-Φ23 |
80 | 3” | 45.2 | 118 | 78.88 | 160 | 160 | 121 | 77 | 57 | 12.6 | 92 | 164 | 128 | 8-Φ20 | 8-Φ20 |
100 | 4” | 52.1 | 118 | 104 | 180 | 180 | 153 | 92 | 70 | 15.78 | 106 | 175 | 128 | 4-Φ23 | 4-Φ23 |
125 | 5” | 54.4 | 145 | 123.3 | 210 | 210 | 176 | 92 | 70 | 18.92 | 119 | 194 | 153 | 4-Φ23 | 4-Φ23 |
150 | 6” | 55.8 | 145 | 155.6 | 240 | 240 | 207 | 92 | 70 | 18.92 | 132 | 206 | 153 | 4-Φ25 | 4-Φ25 |
200 | 8’ | 60.6 | 195 | 202.6 | 295 | 295 | 259 | 115 | 89 | 22.1 | 162 | 237 | 185 | 4-Φ25 | 4-Φ25 |
250 | 10” | 65.6 | 245 | 250.5 | 350 | 355 | 316 | 115 | 89 | 28.45 | 200 | 282 | 185 | 4-Φ28 | 4-Φ28 |
300 | 12” | 77 | 280 | 301.6 | 400 | 410 | 370 | 140 | 108 | 31.6 | 225 | 311 | 205 | 4-Φ28 | 4-Φ28 |
350 | 14” | 76.5 | 312 | 333.3 | 460 | 470 | 405 | 140 | 108 | 31.6 | 263 | 335 | 226 | 4-Φ30 | 4-Φ30 |
400 | 16” | 85.5 | 395 | 389.6 | 515 | 525 | 470 | 197 | 159 | 33.15 | 309 | 400 | 270 | 4-Φ30 | 4-Φ30 |
450 | 18” | 105.6 | 416 | 440.5 | 565 | 585 | 522 | 197 | 159 | 38 | 328 | 420 | 360 | 4-Φ30 | 4-Φ30 |
500 | 20” | 132 | 416 | 491.6 | 620 | 650 | 566 | 197 | 159 | 41.15 | 361 | 480 | 390 | 4-Φ30 | 4-Φ33 |
600 | 24” | 152 | 462 | 592.5 | 725 | 770 | 693 | 276 | 216 | 50.65 | 459 | 560 | 470 | 4-Φ30 | 4-Φ38 |
700 | 28” | 163 | 530 | 695 | 840 | 840 | 801 | 300 | 254 | 63.5 | 520 | 624 | 510 | 24-Φ30 | 24-Φ36 |
800 | 32” | 188 | 590 | 794.7 | 950 | 950 | 907 | 300 | 254 | 63.5 | 590 | 680 | 530 | 24-Φ33 | 24-Φ39 |
注 Note：
A型蝶阀DN50(2”)~350(14”)的D1和n-Φ尺寸包容GB9112-88，DIN2501(德国)，BS4504(英国),ISO2084，ISO2531(国际标准),BS10-E(英国),ANSI1259(美国)等法兰连接标准。DN400(16”)~500(20”)包容GB9112-88，DIN2501，ISO2084，BS4504法兰连接标准。
“LT”型蝶阀的结构、性能、零件的材质与“A”型均相同，区别在于“A”型可通过双头螺柱（或加长六角螺栓）对夹连接在两管法兰之间（即对夹式）。“LT”型除通过两普通六角螺栓连接在两管路之间外，还可以安装在管端（即单夹式）作为排空阀使用，但需在订货合同中注明管端使用。
A-type butterfly valve DN50(2”)~350(14”) of the D1 and n-Φ accommodate Size GB9112-88,DIN2501 (Gameny),BS4504 (UK),ISO2084,ISO2531 (Interrationa 1 standard), BS10-E (UK),ANSI1259 (USA) for flange connection and DN400(16”)~500(20”) contain the standard of GB9112-88,DIN2501,ISO2084 and BS4504.
Difference between Type ”A” and “LT”: Both Type “A” and “LT” have the same construction and performances and are materials. The main difference between then is that type “A” valves are mounted betweenpipe flanges,(wafer type)by bolts (or extended hexagon-head),while type “LT” can be either mounted between two pipes by ordinary hexagon head boits or mounted on the pipe end (lugged-type), As the valve is used at the end of pipe line it is necessary to indicate in order.
