一、產(chǎn)品概述Product Overview：
產(chǎn)品型號(hào)：SD643H
產(chǎn)品名稱(chēng)：氣動(dòng)法蘭式伸縮蝶閥
產(chǎn)品特點(diǎn)：氣動(dòng)法蘭式伸縮蝶閥在一定范圍內(nèi)可軸向伸縮，也能在一定的角度范圍內(nèi)克服管道對(duì)接不同軸而產(chǎn)生的偏移，能極大的方便閥門(mén)管道的安裝與拆卸。適用在食品、飲料、醫(yī)藥純凈管路及工業(yè)環(huán)保、水處理、高層建筑、給排水管路作啟閉或調(diào)節(jié)介質(zhì)流量之用。
Model: SD643H
Product Name: Pneumatic butterfly valve flanged escopic
Features: Pneumatic butterfly valve flanged escopic within a certain range of axial stretch, but also to some extent overcome the perspective of different docking pipeline axis resulting offset, can greatly facilitate the installation and removal of the pipeline valves . Application in the food, beverage, pharmaceutical and industrial environmental clean piping, water treatment, high-rise buildings, to the drain line to open and close or adjust the flow of the medium used.
二、連接尺寸Connection Size：
| 公稱(chēng)通徑DN | 外形尺寸（參考值）Dimensions （reference value） | 法蘭尺寸和螺栓孔尺寸（標(biāo)準(zhǔn)值） Flange dimensions and bolt hole size （standard value） | ||||||||||||||||||
| H | H1 | 設(shè)計(jì)zui大長(zhǎng)度 Maximum length of the design | 設(shè)計(jì)zui小長(zhǎng)度 Design of minimum length
| 設(shè)計(jì)長(zhǎng)度 Design length
| A | B | 0.6MPa | 1.0MPa | 1.6MPa | |||||||||||
| 毫米MM | 英寸 inch | D | D1 | D2 | n-d | D | D1 | D2 | n-d | D | D1 | D2 | n-d | |||||||
| 50 | 2 | 80 | 400 | 164 | 138 | 151 | 245 | 72 | 140 | 110 | 88 | 4-14 | 165 | 125 | 99 | 4-18 | 165 | 125 | 99 | 4-18 |
| 65 | 2 1/2 | 93 | 400 | 190 | 154 | 172 | 245 | 72 | 160 | 130 | 108 | 4-14 | 185 | 145 | 118 | 4-18 | 185 | 145 | 118 | 4-18 |
| 80 | 3 | 100 | 410 | 195 | 163 | 177 | 245 | 72 | 190 | 150 | 124 | 4-18 | 200 | 160 | 132 | 8-18 | 200 | 160 | 132 | 8-18 |
| 100 | 4 | 110 | 430 | 227 | 184 | 206 | 355 | 92 | 210 | 170 | 144 | 4-18 | 220 | 180 | 156 | 8-18 | 220 | 180 | 156 | 8-18 |
| 125 | 5 | 125 | 465 | 254 | 201 | 215 | 355 | 92 | 240 | 200 | 174 | 8-18 | 250 | 210 | 184 | 8-18 | 250 | 210 | 184 | 8-18 |
| 150 | 6 | 143 | 615 | 240 | 195 | 225 | 355 | 92 | 265 | 225 | 199 | 8-18 | 285 | 240 | 211 | 8-22 | 285 | 240 | 211 | 8-22 |
| 200 | 8 | 170 | 685 | 265 | 215 | 245 | 250 | 170 | 320 | 280 | 254 | 8-18 | 340 | 295 | 266 | 8-22 | 340 | 295 | 266 | 12-22 |
| 250 | 10 | 198 | 740 | 295 | 235 | 265 | 250 | 170 | 375 | 335 | 309 | 12-18 | 395 | 350 | 319 | 12-22 | 405 | 355 | 319 | 12-26 |
| 300 | 12 | 223 | 800 | 308 | 254 | 282 | 450 | 220 | 440 | 395 | 363 | 12-22 | 445 | 400 | 370 | 12-22 | 460 | 410 | 370 | 12-26 |
| 350 | 14 | 253 | 860 | 325 | 271 | 300 | 450 | 220 | 490 | 445 | 413 | 12-22 | 505 | 460 | 429 | 16-22 | 520 | 470 | 429 | 16-26 |
| 400 | 16 | 283 | 945 | 345 | 283 | 314 | 450 | 280 | 540 | 495 | 463 | 16-22 | 565 | 515 | 480 | 16-26 | 580 | 525 | 480 | 16-30 |
| 450 | 18 | 308 | 1000 | 370 | 314 | 340 | 650 | 280 | 595 | 550 | 518 | 16-22 | 615 | 565 | 530 | 20-26 | 640 | 585 | 548 | 20-30 |
| 500 | 20 | 335 | 1060 | 377 | 316 | 346 | 650 | 280 | 645 | 600 | 568 | 20-22 | 670 | 620 | 582 | 20-26 | 715 | 650 | 609 | 20-33 |
| 600 | 24 | 390 | 1170 | 446 | 388 | 417 | 850 | 380 | 755 | 705 | 667 | 20-26 | 780 | 725 | 682 | 20-30 | 840 | 770 | 720 | 20-36 |
| 700 | 28 | 448 | 1325 | 445 | 395 | 425 | 850 | 380 | 860 | 810 | 772 | 24-26 | 895 | 840 | 794 | 24-30 | 910 | 840 | 794 | 24-36 |
| 800 | 32 | 508 | 1445 | 479 | 425 | 455 | 1250 | 380 | 975 | 920 | 878 | 24-30 | 1015 | 950 | 901 | 24-33 | 1025 | 950 | 901 | 24-39 |
| 900 | 36 | 558 | 1555 | 515 | 455 | 485 | 1250 | 380 | 1075 | 1020 | 978 | 24-30 | 1115 | 1050 | 1001 | 28-33 | 1125 | 1050 | 1001 | 28-39 |
| 1000 | 40 | 615 | 1675 | 525 | 465 | 495 | 1500 | 580 | 1175 | 1120 | 1078 | 28-30 | 1230 | 1160 | 1112 | 28-36 | 1255 | 1170 | 1112 | 28-42 |
| 1200 | 48 | 735 | 1925 | 574 | 512 | 542 | 1500 | 580 | 1405 | 1340 | 1295 | 32-33 | 1455 | 1380 | 1328 | 32-39 | 1485 | 1390 | 1328 | 32-48 |
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