D743H Quick Closing Valve
Product overview
Product model: YKD D743H
Nominal diameter: DN150~2000mm
Nominal pressure: PN2.5~40.0MPa
Applicable medium: steam, blast furnace gas, water, flue gas, air, oil, etc
Medium temperature: ≤600℃
Design and manufacture: GB12238
Flange connection: GB/T9113, GB/T17241.6
Structure length: GB12221
Pressure test: GB/T13927, JB/T9092
D743H Quick closing valve product description
D743H Quick closing valve produced and sold by Baigang valve group are mainly used in turbine extraction pipelines, blast furnace gas pressure generating device into the gas pipeline and other high-level safety control system for urgent emergency off valve: in the system crisis conditions or accidents, in 0.3-0.5 Seconds to try an emergency off the moment the valve to achieve a reliable medium for the pipeline to effectively prevent the steam turbine tail steam and condensate back or cut off the gas pipeline to protect the safety turbine unit. The introduction of this product to introduce advanced foreign fast shut-off valve function, and technical optimization and improvement, additional buffer device to avoid inertial impact, product performance more reliable, and extend the service life of the valve.
D743H Quick closing valve features
1, using the optimized three-dimensional structure of the eccentric
metal seal, high temperature anti-jamming, open and close easily and
completely avoid the traditional metal seal contacting the valve
abrasion ills;
2, reliable sealing, zero leakage seal test;
3, direct Rack and pinion piston drive, compact structure, 3 ° closed
buffer design, constant torque opening and closing, reliable action;
4, integral or split electro-hydraulic control device, easy installation.
D743H Quick closing valve Main dimensions (PN = 2.5MPa)
DN | L | D | D1 | b | n | d | B1 | B2 | B3 | B4 | H1 | H2 | H0 |
200 | 152 | 320 | 280 | 24 | 8 | 19 | 128 | 150 | 880 | 1340 | 176 | 481 | 887 |
250 | 165 | 375 | 335 | 26 | 12 | 19 | 128 | 150 | 880 | 1340 | 210 | 518 | 958 |
300 | 178 | 440 | 395 | 26 | 12 | 23 | 128 | 150 | 880 | 1340 | 238 | 577 | 1045 |
350 | 190 | 490 | 445 | 26 | 12 | 23 | 135 | 160 | 1066 | 1722 | 270 | 617 | 1140 |
400 | 216 | 540 | 495 | 26 | 16 | 23 | 135 | 160 | 1066 | 1722 | 302 | 659 | 1214 |
450 | 222 | 595 | 550 | 28 | 16 | 23 | 135 | 160 | 1066 | 1722 | 332 | 678 | 1263 |
500 | 229 | 645 | 600 | 28 | 20 | 23 | 180 | 205 | 1380 | 2220 | 370 | 738 | 1370 |
600 | 267 | 755 | 705 | 30 | 20 | 28 | 180 | 205 | 1380 | 2220 | 432 | 827 | 1521 |
700 | 292 | 860 | 810 | 30 | 24 | 28 | 180 | 205 | 1380 | 2220 | 470 | 875 | 1607 |
800 | 318 | 975 | 920 | 32 | 24 | 31 | 195 | 220 | 1550 | 2510 | 530 | 953 | 1763 |
900 | 330 | 1075 | 1020 | 34 | 24 | 31 | 195 | 220 | 1550 | 2510 | 580 | 1000 | 1860 |
1000 | 410 | 1175 | 1120 | 34 | 28 | 31 | 195 | 220 | 1550 | 2510 | 650 | 1092 | 2022 |
1200 | 470 | 1405 | 1340 | 38 | 32 | 34 | 221 | 250 | 1745 | 2777 | 765 | 1238 | 2307 |
1400 | 530 | 1630 | 1560 | 42 | 36 | 37 | 221 | 250 | 1745 | 2777 | 890 | 1319 | 2513 |
1600 | 600 | 1830 | 1760 | 46 | 40 | 37 | 221 | 250 | 1745 | 2777 | 1010 | 1429 | 2743 |
Reminder:
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