Material of main parts
Part Name | Material |
Body | Cast iron,Cast steel,Stainless steel,Alloy steel |
Plate | Carbon steel,Alloy steel,Stainless Steel,Chromium molybdenum steel |
Seal | Rubber,Teflon,Polyester,Stainless steel |
Stem | 2Cr13,Stainless steel,Chromium molybdenum steel |
Flexible Tube | Cast iron,Carbon steel,Stainless steel,Chromium molybdenum steel |
PTFE-Lined Butterfly Valves Standard
Technical Specification | |
Design Standard | GB/T 12238 |
Structure Length | GB 12221 |
Flange Standard | GB9113.1-26 GB4216 |
Inspection and Test | GB/T13927 JB/T9092 |
Main external and connecting dimensions(mm)
DN | NPS | Shape Size | ||||||
L max | L min | L | H2 | H2 | A | B | ||
50 | 2 | 210 | 170 | 190 | 309 | 80 | 180 | 200 |
65 | 2 1/2 | 210 | 170 | 190 | 337 | 95 | 180 | 200 |
80 | 3 | 210 | 170 | 190 | 347 | 98 | 180 | 200 |
100 | 4 | 240 | 200 | 220 | 373 | 114 | 180 | 200 |
125 | 5 | 240 | 200 | 220 | 405 | 128 | 180 | 200 |
150 | 6 | 240 | 200 | 220 | 440 | 139 | 270 | 280 |
200 | 8 | 280 | 230 | 255 | 612 | 174 | 400 | 425 |
250 | 10 | 280 | 230 | 255 | 693 | 215 | 400 | 425 |
300 | 12 | 310 | 260 | 285 | 747 | 245 | 450 | 560 |
350 | 14 | 310 | 260 | 285 | 802 | 270 | 450 | 560 |
400 | 16 | 360 | 300 | 330 | 991 | 305 | 535 | 580 |
450 | 18 | 360 | 300 | 330 | 1037 | 325 | 535 | 580 |
500 | 20 | 360 | 300 | 330 | 1127 | 360 | 535 | 580 |
600 | 24 | 420 | 350 | 385 | 1377 | 445 | 570 | 660 |
700 | 28 | 420 | 350 | 385 | 1496 | 505 | 750 | 550 |
800 | 32 | 470 | 400 | 435 | 1584 | 560 | 750 | 550 |
900 | 36 | 470 | 400 | 435 | 1676 | 630 | 750 | 550 |
1000 | 40 | 580 | 500 | 540 | 1760 | 680 | 900 | 750 |
1200 | 48 | 630 | 550 | 590 | 2018 | 795 | 1000 | 925 |
1400 | 56 | 730 | 650 | 690 | 2363 | 900 | 1000 | 925 |
1600 | 64 | 800 | 700 | 750 | 2723 | 1100 | 1000 | 925 |
1800 | 72 | 850 | 750 | 800 | 2844 | 1124 | 1100 | 980 |
2000 | 80 | 920 | 850 | 900 | 3127 | 1292 | 1100 | 980 |
DN | NPS | 0.6MPa | 1.0MPa | 1.6MPa | |||||||||
D | D1 | D2 | n-d | D | D1 | D2 | n-d | D | D1 | D2 | n-d | ||
50 | 2 | 140 | 110 | 88 | 4-14 | 165 | 125 | 99 | 4-18 | 165 | 125 | 99 | 4-18 |
65 | 2 1/2 | 160 | 130 | 108 | 4-14 | 185 | 145 | 118 | 4-18 | 185 | 145 | 118 | 4-18 |
80 | 3 | 190 | 150 | 124 | 4-18 | 200 | 160 | 132 | 8-18 | 200 | 160 | 132 | 8-18 |
100 | 4 | 210 | 170 | 144 | 4-18 | 220 | 180 | 156 | 8-18 | 220 | 180 | 156 | 8-18 |
125 | 5 | 240 | 200 | 174 | 8-18 | 250 | 210 | 184 | 8-18 | 250 | 210 | 184 | 8-18 |
150 | 6 | 265 | 225 | 199 | 8-18 | 285 | 240 | 211 | 8-22 | 285 | 240 | 211 | 8-22 |
200 | 8 | 320 | 280 | 254 | 8-18 | 340 | 295 | 266 | 8-22 | 340 | 295 | 266 | 12-22 |
250 | 10 | 375 | 335 | 309 | 12-18 | 395 | 350 | 319 | 12-22 | 405 | 355 | 319 | 12-26 |
300 | 12 | 440 | 395 | 363 | 12-22 | 445 | 400 | 370 | 12-22 | 460 | 410 | 370 | 12-26 |
350 | 14 | 490 | 445 | 413 | 12-22 | 505 | 460 | 429 | 16-22 | 520 | 470 | 429 | 16-26 |
400 | 16 | 540 | 495 | 463 | 16-22 | 565 | 515 | 480 | 16-26 | 580 | 525 | 480 | 16-30 |
450 | 18 | 595 | 550 | 518 | 16-22 | 615 | 565 | 530 | 20-26 | 640 | 585 | 540 | 20-30 |
500 | 20 | 645 | 600 | 568 | 20-22 | 670 | 620 | 582 | 20-26 | 715 | 650 | 609 | 20-33 |
600 | 24 | 755 | 705 | 667 | 20-26 | 780 | 725 | 682 | 20-30 | 840 | 770 | 720 | 20-36 |
700 | 28 | 860 | 810 | 772 | 24-26 | 895 | 840 | 794 | 24-30 | 910 | 840 | 794 | 24-36 |
800 | 32 | 975 | 920 | 878 | 24-30 | 1015 | 950 | 901 | 24-33 | 1025 | 950 | 901 | 24-39 |
900 | 36 | 1075 | 1020 | 978 | 24-30 | 1115 | 1050 | 1001 | 28-33 | 1125 | 1050 | 1001 | 28-39 |
1000 | 40 | 1175 | 1120 | 1078 | 28-30 | 1230 | 1160 | 1112 | 28-36 | 1255 | 1170 | 1112 | 28-42 |
1200 | 48 | 1405 | 1340 | 1295 | 32-33 | 1455 | 1380 | 1328 | 32-39 | 1485 | 1390 | 1328 | 32-48 |
1400 | 56 | 1630 | 1560 | 1510 | 36-36 | 1675 | 1590 | 1530 | 36-42 | 1685 | 1590 | 1530 | 36-48 |
1600 | 64 | 1830 | 1760 | 1710 | 40-36 | 1915 | 1820 | 1750 | 40-48 | 1930 | 1820 | 1750 | 40-56 |
1800 | 72 | 2045 | 1970 | 1718 | 44-39 | 2115 | 2020 | 1950 | 44-48 | 2130 | 2020 | 1950 | 44-56 |
2000 | 80 | 2265 | 2180 | 2125 | 48-42 | 2325 | 2230 | 2150 | 48-48 | 2345 | 2230 | 2150 | 48-60 |
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Welcome to HEARKEN Actuators and Controls, the Trusted Passionate and Focused Partner in Valve Automation.
>>We are growing our brand in Pneumatic and Electric Actuators, Accessories.
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THE TARGET WE ARE PURSUING To built a strong reputation in providing quality, cost effective, reliable and robust performance solutions for valve automatio, inclued pneumatic actuators, electrically actuators, actuated valves. | |
We offer a complete valve automation solution by the applications experience and customization capabilities, with an experienced support team to guide you in selection, installation, and project support. In addition, we maintain an extensive supply of product inventory on hand so that we can quickly fulfill orders and reduce waiting times. Our sales and support staff are readily available and accessible so that customers get the answers they need quickly.
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