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Dd343 worm gear flange type multi-layer metal hard seal butterfly valve


Dd343 worm gear flange type multi-layer metal hard seal butterfly valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

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Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

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  Product name : Worm gear flange type multi-layer metal hard seal butterfly valve Product model : Dd343H / F (6, 9)
   Driving method : Worm gear Connection form : Flange
   Structure form : Triple eccentricity    Sealing material : Hard alloy, fluoroplastic
   Pressure range : 1.6 ~ 2.5MPa    Nominal diameter : DN50-DN2000
   Common materials : Carbon steel, stainless steel, alloy steel    Technical consultation : 021-31007323

是国内著名〖 Dd343蜗轮法兰式多层次金属硬密封蝶阀 〗制造商,也是国内大型【 蝶阀 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖Dd343蜗轮法兰式多层次金属硬密封蝶阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic manufacturer of [ Dd343 Worm Flange Multi-level Metal Hard Seal Butterfly Valve ] and one of the large domestic [ Butterfly Valve ] manufacturers. Since its establishment, the company has always focused on customer needs and continued Innovation, for the majority of agents and corporate customers to provide "Dd343 worm gear flange multi-level metal hard seal butterfly valve" solution, reliable quality and affordable, so it sells all over the country, welcome new and old customers to call us, email us, we will provide you Provide the best service.

First, the introduction of Dd343 worm gear flange type multi-level metal hard seal butterfly valve

Dd343 worm gear flange type multi-layer metal hard seal butterfly valve
除保留原有蝶阀具有的结构紧凑,体积小,重量轻,操作方便,性能可靠,维修简单外,还具有抗老化,抗辐照,经久耐用,寿命长,耐温耐高压,应用范围广等特点。 Worm-wheel flange type multi-layer metal hard-sealed butterfly valve, in addition to retaining the original butterfly valve's compact structure, small size, light weight, convenient operation, reliable performance and simple maintenance, it also has anti-aging, anti-irradiation, durable, long life , Temperature and pressure resistance, a wide range of applications and other characteristics. It is widely used in thermal pipelines, boiler auxiliary machinery systems, petrochemical and metallurgical industries to cut and adjust various non-corrosive and corrosive media.

Second, Dd343 worm gear flange type multi-level metal hard seal butterfly valve product features

本产品采用独特的三偏心结构设计,不仅结合了双偏心结构的优点,同时还具备角偏心的优异性能。 Worm Flange Ventilation Butterfly Valve This product adopts a unique triple eccentric structure design, which not only combines the advantages of the double eccentric structure, but also has the excellent performance of angular eccentricity. The amount of eccentricity between the shaft axis of the valve stem and the center line of the valve body is small, which makes the butterfly valve beautiful in appearance and easy to install. At the same time, it reduces the flow resistance, improves the flow capacity, and saves energy. The sealing ring is made of multi-layer composite material, which has the advantages of high hardness, strong corrosion resistance, good elasticity, reliable sealing performance and no leakage for 100,000 times of switching.

Three, Dd343H / F (6, 9) main connection size

product name Nominal diameter Structure length (standard value) L 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 Zd D D1 Zd
Dd (3.6.9) 43H- (6.10) CPRV series flange type multi-layer metal hard seal butterfly valve 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 twenty four 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 Structure length (standard value) L 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 Zd D D1 Zd
Dd (3.6.9) 43H- (16, 25) CPRV series flange type multi-layer metal hard seal butterfly valve 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 twenty four 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- stands for multi-level sealed structure.

Fourth, the main shape and connection size

product name Nominal diameter Structure length (standard value) L 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 Zd
Dd (3.6.9) 43H-40C.PRV series flange type multi-layer metal hard seal butterfly valve 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

Note: Flange standard: GB / T9113.1-2000 GB / T9113.2-2000 GB / T9115.1-2000 GB / T9115.2-2000
Note to users: The H1, H2, and H3 dimensions in the table can be extended according to user needs (long stem butterfly valve). This product is generally based on the short series. If the long series or special materials are required, it is proposed.
Note: Dd- stands for multi-level sealed structure.

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