That has a sound business enterprise credit history, excellent after-sales assistance and modern production facilities, we now have earned an superb status among our buyers across the whole world for New Arrival China China Double Flange End Concentric/Triple Eccentric Butterfly Valve for Lever/Wormgear/Electric/Penumatic/Hydraulic, Sincerely look forward to serving you in the near future. You are sincerely welcome to visit our company to talk business face to face with each other and establish long-term co-operation with us!
That has a sound business enterprise credit history, excellent after-sales assistance and modern production facilities, we now have earned an superb status among our buyers across the whole world for Butterfly Valve, China Industrial Valve, Our experience makes us important in our customer eyes. Our quality speaks itself the properties like it do not tangle, shed or breakdown, so that are our customers will always be confident while placing an order.
Product use
It is suitable for water, raw water (including sediment), sewage, seawater, steam, oil, alumina, pulverized coal ash, gas, natural gas, urban heating and other systems with strict requirements.
Product executive standard
Design criteria | Structural length | Flange standard | Test and inspection |
GB/T 12237-2007 | GB/T 12221-2005 | GB/T 9113-2000bEN1092 | GN/T 13927-2008テつ。テつ「API 598 |
Product performance specification
Nominal pressure | 1.0 | 1.6. | 2.5 | 4.0 |
Maximum working pressure at normal temperature | 1.0 | 1.6 | 2.5 | 4.0 |
Shell strength test pressure | 1.5 | 2.4 | 3.8 | 4.0 |
Airtight test pressure | 0.6 | 0.6 | 0.6 | 0.6 |
High pressure seal test pressure | 1.1 | 1.76 | 2.75 | 4.4 |
Leakage rate | テつ」テつシ0.1テつ。テδ.Nmm/s | |||
Applicable temperature | Soft seal テつ-40テつ。テδヲ~+200テつ。テδヲ テつ テつ テつ テつ テつ テつHard seal -50テつ。テδヲ~+600テつ。テδヲ | |||
Applicable medium | Natural gas, water vapor, oil products, acids, alkalis, pulverized coal, coal ash, waste residue, mud, granular, fiber and other media | |||
Transmission form | Turbine drive, electric drive, pneumatic drive, hydraulic drive |
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Main connection dimensions
DN | L | D | D1 | D2 | b | f | Z-d0 | Hw | Hd |
50 | 178 | 165 | 125 | 100 | 18 | 2 | 4-18 | 270 | 310 |
65 | 190 | 185 | 145 | 120 | 18 | 2 | 4-18 | 280 | 320 |
80 | 203 | 200 | 160 | 135 | 20 | 2 | 4-18 | 290 | 330 |
100 | 229 | 220 | 180 | 156 | 22 | 2 | 8-18 | 330 | 380 |
125 | 254 | 250 | 210 | 211 | 24 | 2 | 8-18 | 345 | 405 |
150 | 267 | 285 | 240 | 211 | 21 | 2 | 8-22 | 370 | 440 |
200 | 292 | 340 | 295 | 266 | 24 | 2 | 8-22 | 405 | 470 |
250 | 330 | 395 | 350 | 319 | 26 | 2 | 12-22 | 180 | 540 |
300 | 356 | 445 | 400 | 370 | 26 | 2 | 12-22 | 520 | 580 |
350 | 430 | 505 | 460 | 429 | 26 | 2 | 16-26 | 570 | 630 |
400 | 530 | 656 | 515 | 480 | 26 | 2 | 16-26 | 630 | 710 |
450 | 580 | 615 | 565 | 530 | 28 | 2 | 20-26 | 690 | 770 |
500 | 630 | 670 | 620 | 585 | 25 | 2 | 20-26 | 740 | 820 |
600 | 800 | 780 | 725 | 682 | 34 | 2 | 20-30 | 840 | 940 |
700 | 900 | 895 | 840 | 794 | 34 | 5 | 24-30 | 960 | 1040 |
800 | 1000 | 1015 | 950 | 901 | 36 | 5 | 28-33 | 1080 | 1080 |
900 | 1100 | 1115 | 1050 | 1001 | 38 | 5 | 28-33 | 1190 | 1280 |
1000 | 1200 | 1230 | 1160 | 1112 | 38 | 5 | 28-36 | 1310 | 1420 |
1100 | 1250 | 1345 | 1270 | 1222 | 42 | 5 | 28-36 | 1390 | 1480 |
1200 | 1300 | 1455 | 1380 | 1328 | 44 | 5 | 32-39 | 1450 | 1530 |
1400 | 1500 | 1675 | 1590 | 1530 | 48 | 5 | 36-42 | 1540 | 1650 |
1600 | 1800 | 1915 | 1820 | 1750 | 52 | 5 | 40-48 | 1660 | 1750 |
1800 | 2000 | 2115 | 2020 | 1950 | 56 | 5 | 44-48 | 1760 | 1860 |
2000 | 2200 | 2325 | 2230 | 2150 | 60 | 5 | 48-48 | 1920 | 1990 |
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