Ductile iron butterfly valve

Ductile iron butterfly valve
Ductile iron butterfly valve


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Ductile iron butterfly valve Product introduction

Ductile iron butterfly valve is used in on-off and control flow of medium in vaired pipelines such as foodstuff,beverage,machine,chemical engineering,industrial enviromental proction,water treatment and building ect .Ductile iron butterfly valve is double eccentric design .Ductile iron butterfly valve standard: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing).

Ductile iron butterfly valve Material :
1 Body : Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200;
Ductile Iron:ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15;
Stainless Steel: ASTM A351 CF8, CF8M;Carbon Steel: ASTM A216 WCB
2 Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM
A582 Type 416;
3 Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
4 Seat : NBR, EPDM, Neoprene, PTFE, Viton;
5 Disc : Ductile Cast Iron (Nickel plated):ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS- 400,Stainless Steel:ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;
AL-Bronze: ASTM B148 C95400;
6 O-Ring: NBR, EPDM
7 Bushing :Polymer water-proof materials ,Nylon, Bronze;

Ductile iron butterfly valve Main dimension

DN Outline dimension Flange connection dimension
L H H1 A B 0.6MPa 1.0MPa 1.6MPa
D D1 D2 n-d D D1 D2 n-d D D1 D2 n-d
50 108 82.5 443 125 125 140 110 88 4-14 165 125 99 4-18 165 125 99 4-18
65 112 92.5 463 125 125 160 130 108 4-14 185 145 118 4-18 185 145 118 4-18
80 114 100 483 125 125 190 150 124 4-18 200 160 132 8-18 200 160 132 8-18
100 127 110 498 125 125 210 170 144 4-18 220 180 156 8-18 220 180 156 8-18
125 140 125 682 325 245 240 200 174 8-18 250 210 184 8-18 250 210 184 8-18
150 140 142.5 736 325 245 265 225 199 8-18 285 240 211 8-22 285 240 211 8-22
200 152 170 800 325 245 320 280 254 8-18 340 295 266 8-22 340 295 266 12-22
250 165 197.5 895 363 313 375 335 309 12-18 395 350 319 12-22 405 355 319 12-26
300 178 222.5 956 363 313 440 395 363 12-22 445 400 370 12-22 460 410 370 12-26
350 190 252.5 1029 363 313 490 445 413 12-22 505 460 429 16-22 520 470 429 16-26
400 216 282.5 1103 363 313 540 495 463 16-22 565 515 480 16-26 580 525 480 16-30
450 222 307.5 1186 465 439 595 550 518 16-22 615 565 530 20-26 640 585 548 20-30
500 229 335 1280 546 481 645 600 568 20-22 670 620 582 20-26 715 650 609 20-33
600 267 390 1321 546 556 755 705 667 20-26 780 725 682 20-30 840 770 720 20-36
700 292 447.5 1431 546 556 860 810 772 24-26 895 840 794 24-30 910 840 794 24-36
800 318 507.5 1542 546 556 975 920 878 24-30 1015 950 901 24-33 1025 950 901 24-39
900 330 557.5 1800 617 706 1075 1020 978 24-30 1115 1050 1001 28-33 1125 1050 1001 28-39
1000 410 615 2363 632 706 1175 1120 1078 28-3 1230 1160 1112 28-36 1255 1170 1112 28-42
1200 470 727.5 2583 632 706 1405 1340 1295 32-33 1455 1380 1328 32-39 1485 1390 1328 32-48
1400 530 837.5 2710 790 1338 1630 1560 1510 36-36 1675 1590 1530 36-42 1685 1590 1530 36-48
1600 600 957.5 2845 868 1476 1830 1760 1710 40-36 1915 1820 1750 40-48 1930 1820 1750 40-56
1800 670 1057.5 2060 868 1476 2045 1970 1918 44-39 2115 2020 1950 44-48 2130 2020 1950 44-56
2000 760 1162.5 3350 965 1600 2265 2180 2125 48-42 2325 2230 2150 48-48 2345 2230 2150 48-62

 

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