Flange Butterfly Valve

Flange Butterfly Valve

Size : 2″-100″(DN50-DN2000)
Pressure: PN10,PN16,PN25,Class150 class300
Body Materials: Ductile Iron , WCB /CF8/CF8M
Disc Materials: SS304, SS316,
Seat Materials: PTFE,NBR, EPDM
Connection: Flange
Designing DIN .ANSI ISO
OP Worm Gear
Applicable Medium： Clear water, neutral liquid, weak acid and alkali, sea water, Oils, etc
Application field: Municipal construction, water treatment, water supply and drainage, water conservancy projects, etc.

INTRODUCTION
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 Yuming  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.

 

 
DATA
DN50–DN350

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

DN400–DN2000

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