Worm Gear Soft-sealed Wafer Butterfly Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
D371X-6/10/16 worm gear soft-sealed wafer butterfly valves
Technical performance
The main features of D371X worm gear soft-sealed wafer butterfly valve are:1, simple and compact structure, 90° turning to open quickly; 2, small lightweight, disassembly and maintenance easily, and it can be installed anywhere; 3, the operating torque is small, and the switch is light; 4, flow characteristics tend to a straight line, and good regulating performance; 5, the number of open and close tests up to 10000 times, a long service life; 6, good sealing performance, and the gas test leakage is zero. D371X worm gear soft-sealed wafer butterfly valve uses a variety of part materials matching, is applicable to fresh water, sewage, water, steam, gas, food, pharmaceutical, oil and various acid-base media pipes, suitable temperature -10 ° C +150 ° C, and the connection standard is according with GB2555-81 standard. The materials selection of main parts of D371X worm gear soft-sealed wafer butterfly valve are : Body material: cast iron, ductile iron, stainless steel, copper alloy, aluminum alloy; disc material: ductile iron, stainless steel, corrosion resistant steel, titanium steel, copper alloy ; Seat: NBR, EPDM, neoprene, hypalon, PTFE, natural rubber,etc.
Dimensions & constructral diagram
D371X-6/10/16 worm gear soft-sealed wafer butterfly valve constructral diagram(pic1)
D371X-6/10/16 worm gear soft-sealed wafer butterfly valve constructral diagram(pic2)
The main external and connection dimensions of D371X-6/10/16
| DN(mm) | main external dimensions | main connection dimensions | |||||||||
| 0.6 MPa | 1.0 MPa | 1.6 MPa | |||||||||
| L | H | HO | A | B | DO | n-d | DO | n-d | DO | n-d | |
| 50 | 43 | 63 | 306 | 180 | 200 | 110 | 4-14 | 125 | 4-18 | 125 | 4-18 |
| 65 | 46 | 70 | 321 | 180 | 200 | 130 | 4-14 | 145 | 4-18 | 145 | 4-18 |
| 80 | 46 | 83 | 346 | 180 | 200 | 150 | 4-18 | 160 | 8-18 | 160 | 8-18 |
| 100 | 52 | 105 | 387 | 180 | 200 | 170 | 4-18 | 180 | 8-18 | 180 | 8-18 |
| 125 | 56 | 115 | 411 | 180 | 200 | 200 | 8-18 | 210 | 8-18 | 210 | 8-18 |
| 150 | 56 | 137 | 447 | 270 | 280 | 225 | 8-18 | 240 | 8-22 | 240 | 8-22 |
| 200 | 60 | 164 | 572 | 270 | 280 | 280 | 8-18 | 295 | 8-22 | 295 | 12-22 |
| 250 | 68 | 206 | 646 | 270 | 280 | 335 | 12-18 | 350 | 12-22 | 355 | 12-26 |
| 300 | 78 | 230 | 738 | 380 | 420 | 395 | 12-22 | 400 | 12-22 | 410 | 12-26 |
| 350 | 78 | 248 | 761 | 380 | 420 | 445 | 12-22 | 460 | 16-22 | 470 | 16-26 |
| 400 | 102 | 289 | 877 | 450 | 470 | 495 | 16-22 | 515 | 16-26 | 525 | 16-30 |
| 450 | 114 | 320 | 938 | 480 | 490 | 550 | 16-22 | 565 | 20-26 | 585 | 20-30 |
| 500 | 127 | 343 | 993 | 480 | 490 | 600 | 20-22 | 620 | 20-26 | 650 | 20-33 |
| 600 | 154 | 413 | 1131 | 480 | 490 | 705 | 20-26 | 725 | 20-30 | 770 | 20-36 |
| 700 | 165 | 478 | 1476 | 640 | 660 | 810 | 24-26 | 840 | 24-30 | 840 | 24-36 |
| 800 | 190 | 525 | 1533 | 640 | 660 | 920 | 24-30 | 950 | 24-33 | 950 | 24-39 |
| 900 | 203 | 585 | 1655 | 750 | 860 | 1020 | 24-30 | 1050 | 28-33 | 1050 | 28-39 |
| 1000 | 216 | 640 | 1765 | 850 | 900 | 1120 | 28-30 | 1160 | 28-36 | 1170 | 28-42 |
| 1200 | 254 | 755 | 1995 | 850 | 900 | 1340 | 32-33 | 1380 | 32-39 | 1390 | 32-48 |
