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Double Eccentric Flanged Butterfly Valve Metal Seat

Double Eccentric Flanged Butterfly Valve Metal Seat

Model:D343H/W

Size:DN100-DN2000

Pressure:10Bar/16Bar/25Bar,150LB/300LB

Temperature:-29℃-425℃

Body material:Cast steel, Stainless steel

Applicable medium:metallurgy, chemical power, petroleum, ship, building, paper,water supply and drainage

Introduction

Double Eccentric Flanged Butterfly Valve is suitable for use in metallurgy, chemical power, petroleum, food, medicine, ship, building, paper, Industrial environmental protection, water supply and drainage ,on high level pipeline architecture can be in a various of corrosive ,non corrosive gases ,liquids ,fluids and solid powder loaded pipelines and containers for the headstock or adjust the medium flow purpose .

Performance Parameters

Nominal diameter:4"-80"/DN100-DN2000

Working pressure:10Bar/16Bar/25Bar,150LB/300LB

Main part material

Body: Cast steel, Stainless steel

Disc: Cast steel, Stainless steel

Stem: Stainless Steel

Sealing ring: SS304

Features

1.Disc ring for soft and hard metal sheets stacked with metal hard sealing and sealing of the dual advantage of flexibility in terms of low temperature and high temperature circumstances ,has excellent sealing performance.

2.Using three dimensions eccentric structure ,disc with almost no friction ,with more clearance sealing function is tightening.

3.Valve body sealing surface use of welding stainless steel ,cobalt alloy ,sealing surface wear resistant long service life.

4.Unique structure operation flexibility ,labor saving, convenient and free from the pressure ring high and low impact ,reliable sealing performance.

Technical parameters


 
DN(mm) Main dimensions Flanged size and Bolting Specification
0.6MPa 1.0MPa
L L1 H2 H1 D D1 D2 N-φd D D1 D2 N-φd
100 127 56 285 107 210 170 144 4-18 220 180 156 8-18
125 140 64 300 123 240 200 174 8-18 250 210 184 8-18
150 140 70 320 140 265 225 199 8-18 285 240 211 8-22
200 152 71 370 180 320 280 254 8-18 340 295 266 8-22
250 165 76 420 200 375 335 309 12-18 395 350 319 12-22
300 178 83 500 250 440 395 363 12-22 445 400 370 12-22
350 190 92 530 270 490 445 413 12-22 505 460 429 16-22
400 216 102 570 300 540 495 463 16-22 565 515 480 16-26
450 222 114 600 320 595 550 518 16-22 615 565 530 20-26
500 229 127 680 360 645 600 568 20-22 670 620 582 20-26
600 267 154 750 420 755 705 667 20-26 780 725 682 20-30
700 292 165 810 480 860 810 772 24-26 895 840 794 24-30
800 318 190 905 540 975 920 878 24-30 1015 950 901 24-33
900 330 203 960 590 1075 1020 978 24-30 1115 1050 1001 28-33
1000 410 216 1010 640 1175 1120 1078 28-30 1230 1160 1112 28-36
1200 470 254 1175 750 1405 1340 1295 32-33 1455 1380 1328 32-39
1400 530   1310 860 1630 1560 1510 36-36 1675 1590 1530 36-42
1600 600   1460 980 1830 1760 1710 40-36 1915 1820 1750 40-48
1800 670   1560 1090 2045 1970 1918 44-39 2115 2020 1950 44-48
2000 760   1670 1190 2265 2180 2125 48-42 2325 2230 2150 48-48

Technical standard

Design and Manufacture: GB12238 /、ANSI B16.34/API609

Flange connection : GB/T 9113.1 /ASME B16.5

Face-to-face: GB/T12221 /API609

Top Flange:ISO5211

Tightness Inspection: ISO 5208,/EN12226-2,API598

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