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Worm Gear Operated Flange Butterfly Valve

  • Product Model: D341X-10Q、D341X-16Q 、D341X-150LB
  • Size: DN50-DN2000
  • Nominal Pressure: PN10/PN16/Class 150
  • Suitable Temperature: -20～120℃
  • Applicable Medium： Clear water, neutral liquid, weak acid and alkali, sea water, Oils, etc
  • Body Materials: Ductile Iron
  • Application field: Municipal construction, water treatment, water supply and drainage, water conservancy projects, etc.
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1、Design Standards
Design and Manufacture Standard: API 609
Face to Face:: API 609
Test Standard： API 598
Top Flange Connection Standard: ISO 5211
Flange Size Standard: ASME B16.5、ASME B16.47、DIN 2501
ASME B16.1、JIS B2220
2、Main Parts Materials
Body Materials: DI
Disc Materials: DI、CF8、CF8M、CF3、CF3M、1.4529、C594、C598
Seat Materials: EPDM、NBR、Viton、PTFE
Stem Materials: 45、SS416、SS420、SS304、SS431
3、Product Advantages
  • （1）The structure is simple and compact, the rotation of 90 °is quickly to open and close.
  • （2）All products can provide the pressure test: All CHAOJI products can provide the pressure test report before leaving the factory.
  • （3）High performance seat rubber: The rubber content is 50%, and the switch life is more than 30000 times. The rubber and valve body are joined by vulcanization process, and the joint is tight and doesn’t fall off;
  • （4）Axial seal: The valve shaft has a double seal structure design of oil seal and O-ring, smaller torque and reliable seal; The upper and lower shaft holes of DN350 and above large diameter valves are designed with packing box structure, and the packing is pressed by the gland to realize sealing.
  • （5）Surface coating: Epoxy powder coating is adopted, with strong adhesion and good weather resistance. It can be used indoors and outdoors.
4、Parameters

DN A PN16 PN10 150LB D2 L B φD3 φD4 n1-φd1 φD5
    D1 n-φd D1 n-φd D1 n-φd              
2″ DN50 108 125 4-19 125 4-19 120.7 4-19 90 25 9 65 50 4-8 135
2.5″ DN65 112 145 4-19 145 4-19 139.7 4-19 110 25 9 65 50 4-8 135
3″ DN80 114 160 8-19 160 8-19 152.4 4-19 124 25 9 65 50 4-8 135
4″ DN100 127 180 8-19 180 8-19 190.5 8-19 150 28 11 90 70 4-10 135
5″ DN125 140 210 8-19 210 8-19 215.9 8-22.4 176 28 14 90 70 4-10 135
6″ DN150 140 240 8-23 240 8-23 241.3 8-22.4 200 28 14 90 70 4-10 135
8″ DN200 152 295 12-23 295 8-23 298.5 8-22.4 258 33 17 125 102 4-12 270
10″ DN250 165 355 12-28 350 12-23 362 12-25.4 310 33 22 125 102 4-12 270
12″ DN300 178 410 12-28 400 12-23 431.8 12-25.4 362 33 22 125 102 4-12 270
14″ DN350 190 470 16-28 460 16-23 476.3 12-28.4 421 45 22 125 102 4-12 270

DN L PN16 PN10 150LB H φd K φD2 φD3 n1-φd1 N-b
    D1 n-φd D1 n-φd D1 n-φd              
16″ DN400 216 525 16-31 515 16-28 539.8 16-28.4 52 33.15 36.2 175 140 4-18 1-10
18″ DN450 222 585 20-31 565 20-28 577.9 16-31.8 52 38 41 175 140 4-18 1-10
20″ DN500 229 650 20-34 620 20-28 635 20-31.8 64 41.15 44.2 175 140 4-18 1-12
24″ DN600 267 770 20-37 725 20-31 749.3 20-35.1 70 50.65 54.7 210 165 4-22 1-16
28″ DN700 292 840 24-37 840 24-31 863.6 28-35.1 95 63.35 71.4 300 254 8-18 2-18
32″ DN800 318 950 24-40 950 24-34 977.9 28-41.1 95 63.35 71.4 300 254 8-18 2-18
36″ DN900 330 1050 28-40 1050 28-34 1085.8 32-41.1 130 75 84 300 254 8-18 2-20
40″ DN1000 410 1170 28-43 1160 28-37 1200.2 36-41.1 130 85 95 300 254 8-18 2-22
48″ DN1200 470 1390 32-49 1380 32-40 1422.4 44-41.1 150 105 117 350 298 8-22 2-28
56″ DN1400 530 1590 36-49 1590 36-44 1651 48-47.8 200 120 134 415 356 8-33 2-32
60″ DN1500 570 1710 36-57 1700 36-44 1759 52-47.8 200 140 156 415 356 8-33 2-36
64″ DN1600 600 1820 40-56 1820 40-50 -- -- 200 140 156 415 365 8-33 2-36
72″ DN1800 670 2020 44-56 2020 44-50 2096 60-50.8 280 160 178 475 406 8-40 2-40
80″ DN2000 760 2230 48-62 2230 48-50 -- -- 280 160 178 475 406 8-40 2-40

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