Application of ventilation butterfly valve d341w
Ventilation butterfly valve is a kind of non airtight butterfly valve, which is widely used in building materials, metallurgy, mining, electric power and other production industries. It is suitable for pipes with medium temperature ¡Ü 425 ¡æ and nominal pressure of 0.1MPa to regulate medium flow by ventilation.
Execution standard of ventilation butterfly valve d341w
Design and manufacture | Flange connection | Structural length | Test and inspection |
JB/T8692 | GB/T9113¡¢JB/T79¡¢HG/T20529¡¢EN1092-1¡¢ASME B16.5/B16.47 | GB/T12221 | GB/T13927¡¢JB/T9092 |
Main technical parameters of ventilation butterfly valve d341w
Nominal diameter | DN£¨mm£© | 50~2000 | |
Nominal pressure | PN£¨mm£© | 0.25 | 0.6 |
Test pressure£¨MPa£© | strength test | 0.375 | 0.9 |
Sealing test | 0.275 | 0.66 | |
Applicable media | Gas, dust gas, flue gas | ||
Driving form | Manual, worm gear drive, pneumatic drive, electric drive |
Material of main parts of ventilation butterfly valve d341w
Part name | Material Science |
Valve plate | Cast steel, stainless steel, chromium nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials |
Disc | Cast steel, alloy steel, chromium nickel molybdenum titanium steel and other special materials |
seal ring | Cast steel, stainless steel, chromium nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials |
Stem | 20cr13, stainless steel, Cr Ni Mo Ti steel 20cr13 |
filler | Fluoroplastics, flexible graphite |
Material selection and applicable temperature of ventilation butterfly valve d341w
Material variety | carbon steel | Low temperature carbon steel | Alloy steel | austenitic stainless steel | Chromium molybdenum steel | |
Code name | WCB | LCB | WC6/WC9 | C5/C12 | ¸õCr-18ÐÍ304¡¢316 | 12CrMoV |
Maximum temperature resistance | 425¡æ | 345¡æ | 595¡æ | 650¡æ | 600¡æ | 560¡æ |
Minimum temperature resistance | -29¡æ | -46¡æ | -29¡æ | -29¡æ | -196¡æ | -40¡æ |
Applicable operating temperature | ¡Ü425¡æ | ¡Ü345¡æ | ¡Ü595¡æ | ¡Ü650¡æ | ¡Ü600¡æ | ¡Ü560¡æ |
Design drawing of ventilation butterfly valve d341w
Main external connection dimensions of pn0.25mpa-pn0.6mpa ventilation butterfly valve d341w
Nominal diameter | Standard value of structure length | Overall dimension (reference value) | Connection size (standard value) | |||||||||||
0.25MPa | 0.6MPa | |||||||||||||
mm | inches | L | H | H0 | A | B | D | D1 | D2 | Z-d | D | D1 | D2 | Z-d |
50 | 2 | 108 | 70 | 286 | 125 | 193 | 140 | 110 | 88 | 4-14 | 140 | 110 | 88 | 4-14 |
65 | 2 ½ | 112 | 80 | 306 | 125 | 193 | 160 | 130 | 108 | 4-14 | 160 | 130 | 108 | 4-14 |
80 | 3 | 114 | 95 | 334 | 125 | 193 | 190 | 150 | 124 | 4-18 | 190 | 150 | 124 | 4-18 |
100 | 4 | 120 | 105 | 354 | 125 | 193 | 210 | 170 | 144 | 4-18 | 210 | 170 | 144 | 4-18 |
125 | 5 | 120 | 120 | 384 | 125 | 193 | 240 | 200 | 174 | 8-18 | 240 | 200 | 174 | 8-18 |
150 | 6 | 120 | 132 | 409 | 125 | 193 | 265 | 225 | 199 | 8-18 | 265 | 225 | 199 | 8-18 |
200 | 8 | 140 | 160 | 593 | 165 | 183 | 320 | 280 | 254 | 8-18 | 320 | 280 | 254 | 8-18 |
250 | 10 | 140 | 187 | 650 | 165 | 283 | 375 | 335 | 309 | 12-18 | 375 | 335 | 309 | 12-18 |
300 | 12 | 170 | 220 | 715 | 165 | 283 | 440 | 395 | 363 | 12-22 | 440 | 395 | 363 | 12-22 |
350 | 14 | 170 | 245 | 814 | 175 | 335 | 490 | 445 | 413 | 12-22 | 490 | 445 | 413 | 12-22 |
400 | 16 | 190 | 270 | 863 | 175 | 334 | 540 | 495 | 463 | 16-22 | 540 | 495 | 463 | 12-22 |
450 | 18 | 190 | 297 | 918 | 175 | 334 | 595 | 550 | 518 | 16-22 | 595 | 550 | 518 | 16-22 |
500 | 20 | 190 | 322 | 1016 | 210 | 425 | 645 | 600 | 568 | 20-22 | 645 | 600 | 568 | 20-22 |
600 | 24 | 210 | 377 | 1128 | 210 | 425 | 755 | 705 | 667 | 20-26 | 755 | 705 | 667 | 20-26 |
700 | 28 | 210 | 430 | 1233 | 210 | 425 | 860 | 810 | 722 | 24-26 | 890 | 810 | 772 | 24-26 |
800 | 32 | 210 | 487 | 1344 | 210 | 425 | 975 | 920 | 878 | 24-30 | 975 | 920 | 878 | 24-30 |
900 | 36 | 250 | 537 | 1560 | 320 | 620 | 1075 | 1020 | 978 | 24-30 | 1075 | 1020 | 978 | 24-30 |
1000 | 40 | 250 | 587 | 1660 | 320 | 620 | 1175 | 1120 | 1078 | 28-30 | 1175 | 1120 | 1078 | 28-30 |
1200 | 48 | 250 | 687 | 1890 | 320 | 620 | 1375 | 1320 | 1280 | 32-30 | 1405 | 1340 | 1295 | 32-33 |
1400 | 56 | 300 | 760 | 2670 | 575 | 714 | 1575 | 1520 | 1480 | 36-30 | 1630 | 1560 | 1510 | 36-36 |
1600 | 64 | 300 | 895 | 2810 | 575 | 714 | 1790 | 1730 | 1690 | 40-30 | 1830 | 1760 | 1710 | 40-36 |
1800 | 72 | 300 | 995 | 2020 | 575 | 714 | 1990 | 1930 | 1890 | 44-30 | 2045 | 1970 | 1918 | 44-39 |
2000 | 80 | 300 | 1095 | 3220 | 656 | 810 | 2190 | 2130 | 2090 | 48-30 | 2265 | 2180 | 2125 | 48-42 |
Like valve (Tianjin) Co., Ltd., a valve manufacturer located in Tianjin, has a complete production process, and has obtained many certificates and patents, such as ISO9001, ISO14001, OHSAS18001, TS, API, CE, CCCF, etc., to provide protection for global customers.