Hushan Valve Manufacturing (Shanghai) Co., Ltd
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DT943 electric flange type multi-level metal hard seal butterfly valve
DT943 electric flange type multi-level metal hard seal butterfly valve
Product details

Product Name Electric flange type multi-level metal hard sealed butterfly valve Product Model DT943
Drive Type electric connection type flange
structural form multi-level sealed structure hard seal
pressure range 1.6~2.5MPa Nominal Diameter DN50-DN2000
Common materials Carbon steel, stainless steel Technical Consulting



1、 Introduction to DT943 Electric Flange Multi level Metal Hard Seal Butterfly Valve


  Flange type multi-level metal hard sealed butterfly valveIn addition to keeping the compact structure, small size, light weight, convenient operation, reliable performance and simple maintenance of the original butterfly valve, it also has the characteristics of anti-aging, radiation resistance, durability, long life, temperature resistance, high pressure resistance, wide application range, etc. Widely used in thermal pipelines, boiler auxiliary systems, petrochemical and metallurgical industries to cut off and regulate various non corrosive and corrosive media

2、 Dd343H/F (6, 9) electric flange multi-level metal hard seal butterfly valve main connection dimensions
Product Name Nominal Diameter Structural length (standard value) L External dimensions (reference value) Connection size (standard value)
H Dd343H Dd643H Dd943H PN0.6MPa PN1.0MPa
mm inch short long H1 A1 B1 H2 A2 B2 H3 A3 B3 D D1 Z-d D D1 Z-d
Dd(3.6.9)43H-(6.10)C.P.R.V 系列法兰式多层次金属硬密封蝶阀 50 2 108 150 112 350 180 200 625 245 72 530 250 255 140 110 4-14 165 125 4-18
65 21/2 112 170 115 370 180 200 625 245 72 530 250 255 160 130 4-14 185 145 4-18
80 3 114 180 120 380 180 200 645 245 72 565 250 255 190 150 4-18 200 160 8-18
100 4 127 190 138 420 180 200 675 355 92 600 250 255 210 170 4-18 220 180 8-18
125 5 140 200 164 460 180 200 715 355 92 640 250 255 240 200 8-18 250 210 8-18
150 6 140 210 175 555 270 280 800 355 92 705 300 315 265 225 8-18 285 240 8-22
200 8 152 230 208 760 400 425 850 250 170 775 300 315 320 280 8-18 340 295 8-22
250 10 165 250 243 830 400 425 925 250 170 945 300 315 375 335 12-18 395 350 12-22
300 12 178 270 250 895 450 560 1035 450 220 1070 300 315 440 395 12-22 445 400 12-22
350 14 190 290 280 950 450 560 1070 450 220 1140 300 315 490 445 12-22 605 460 16-22
400 16 216 310 305 1190 535 580 1190 450 220 1210 300 315 540 495 16-22 565 515 16-26
450 18 222 330 350 1255 535 580 1250 650 280 1335 575 714 595 550 16-22 615 565 20-26
500 20 229 350 380 1305 535 580 1290 650 280 1415 575 714 645 600 20-22 670 620 20-26
600 24 267 390 445 1340 570 660 1455 850 380 1605 656 810 755 705 20-26 780 725 20-30
700 28 292 430 480 1520 750 550 1585 850 380 1844 656 810 860 810 24-26 895 840 24-30
800 32 318 470 530 1710 750 550 1700 1250 380 2040 656 810 975 920 24-30 1015 950 24-33
900 36 330 510 580 1810 750 550 1965 1250 380 2255 785 863 1075 1020 24-30 1115 1050 28-33
1000 40 410 550 650 1960 900 750 2015 1250 380 2380 785 863 1175 1120 28-30 1230 1160 28-36
1200 48 470 630 760 2250 1000 925 2250 1250 380 2640 785 863 1405 1340 32-33 1455 1380 32-39
1400 56 530 710 850 2345 1000 925 2886 1630 1560 36-36 1675 1590 36-42
1600 64 600 790 1030 2780 1000 925 3156 1830 1760 40-36 1915 1820 40-48
1800 72 670 870 1230 3020 1100 980 3421 2045 1970 44-39 2115 2020 44-48
2000 80 760 950 1350 3270 1100 980 3685 2265 2180 48-42 2325 2230 48-48


Product Name Nominal Diameter Structural length (standard value) L External dimensions (reference value) Connection size (standard value)
H Dd343H Dd643H Dd943H PN1.6MPa PN2.5MPa
mm inch short long H1 A1 B1 H2 A2 B2 H3 A3 B3 D D1 Z-d D D1 Z-d
Dd(3.6.9)43H-(16、25)C.P.R.V 系列法兰式多层次金属硬密封蝶阀 50 2 108 150 112 350 180 200 625 245 72 530 250 255 165 125 4-18 165 125 4-18
65 21/2 112 170 115 370 180 200 625 245 72 530 250 255 185 145 4-18 185 145 8-18
80 3 114 180 120 380 180 200 645 245 72 565 250 255 200 160 8-18 200 160 8-18
100 4 127 190 138 420 180 200 675 355 92 600 250 255 220 180 8-18 235 190 8-22
125 5 140 200 164 460 180 200 715 355 92 640 250 255 250 210 8-18 270 220 8-26
150 6 140 210 175 555 270 280 800 355 92 705 300 315 285 240 8-22 300 250 8-26
200 8 152 230 208 760 400 425 850 250 170 775 300 315 340 295 12-22 360 310 12-26
250 10 165 250 243 830 400 425 925 250 170 945 300 315 405 355 12-26 425 370 12-30
300 12 178 270 250 895 450 560 1035 450 220 1070 300 315 460 410 12-26 485 430 16-30
350 14 190 290 280 950 450 560 1070 450 220 1140 300 315 520 470 16-26 555 490 16-33
400 16 216 310 305 1190 535 580 1190 450 220 1210 300 315 580 525 16-30 620 550 16-36
450 18 222 330 350 1255 535 580 1250 650 280 1335 575 714 640 585 20-30 670 600 20-36
500 20 229 350 380 1305 535 580 1290 650 280 1415 575 714 715 650 20-33 730 660 20-36
600 24 267 390 445 1340 570 660 1455 850 380 1605 656 810 840 770 20-36 845 770 20-39
700 28 292 430 480 1520 750 550 1585 850 380 1844 656 810 910 840 24-36 960 875 24-42
800 32 318 470 530 1710 750 550 1700 1250 380 2040 656 810 1025 950 24-39 1085 990 24-48
900 36 330 510 580 1810 750 550 1965 1250 380 2255 785 863 1125 1050 28-39 1185 1090 28-48
1000 40 410 550 650 1960 900 750 2015 1250 380 2380 785 863 1255 1170 28-42 1320 1210 28-56
1200 48 470 630 760 2250 1000 925 2250 1250 380 2640 785 863 1485 1390 32-48 1530 1420 32-56
1400 56 530 710 850 2345 1000 925 2886 1685 1590 36-48 1755 1640 36-52
1600 64 600 790 1030 2780 1000 925 3156 1930 1820 40-56 1975 1860 40-62
1800 72 670 870 1230 3020 1100 980 3421 2130 2020 44-56 2195 2070 44-70
2000 80 760 950 1350 3270 1100 980 3685 2345 2230 48-62 2425 2300 48-70

Note: Dd - represents a multi-level sealing structure.

3、 DT943 Electric Flange Multi level Metal Hard Seal Butterfly Valve Main Appearance and Connection Dimensions

Product Name Nominal Diameter Structural length (standard value) L External dimensions (reference value) Connection size (standard value)
H Dd343H Dd643H Dd943H PN4.0MPa
mm inch short long H1 A1 B1 H2 A2 B2 H3 A3 B3 D D1 Z-d
Dd(3.6.9)43H-40C. P.R.V系列法兰式多层次金属硬密封蝶阀 50 2 108 150 112 350 180 200 625 250 170 530 250 255 165 125 4-18
65 21/2 112 170 115 370 270 280 625 250 170 530 250 255 185 145 8-18
80 3 114 180 120 380 270 280 645 250 170 565 250 255 200 160 8-18
100 4 127 190 138 420 270 280 675 250 170 600 250 255 235 190 8-22
125 5 140 200 164 460 380 420 715 450 220 640 250 255 270 220 8-26
150 6 140 210 175 555 380 420 800 450 220 705 300 315 300 250 8-26
200 8 152 230 208 760 400 425 850 450 220 775 300 315 375 320 12-30
250 10 165 250 243 830 400 425 925 450 280 945 300 315 450 385 12-33
300 12 178 270 250 895 450 560 1035 650 280 1070 300 315 515 450 16-33
350 14 190 290 280 950 450 560 1070 650 280 1140 300 315 580 510 16-36
400 16 216 310 305 1190 535 580 1190 650 280 1210 300 315 660 585 16-39
450 18 222 330 350 1255 535 580 1335 575 714 685 610 20-39
500 20 229 350 380 1305 535 580 1415 575 714 755 670 20-42
注:法兰标准: GB/T9113.1-2000 GB/T9113.2-2000 GB/T9115.1-2000 GB/T9115.2-2000
Attention users: The sizes H1, H2, and H3 in the table can be extended according to the user's needs (long stem butterfly valve). This product is generally classified as a short series. If a long series or special material is required for ordering, please specify.
Note: Dd - represents a multi-level sealing structure.
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