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ZSLW Pneumatic Control Butterfly Valve 703
Technical parameters: ZSLW pneumatic control butterfly valve 703 clean medium, valve plate with soft seal (rubber ring, PTFE ring) can be selected to
Product details
summary:
ZMAW pneumatic thin film regulating butterfly valve, ZSRW, ZSCW pneumatic piston regulating butterfly valve can be controlled by input control signal (4-20mADC or 1-5VDC) gas source for operation, suitable for regulating suspended particle fluids and concentrated and turbid slurry fluids. For clean media, valve plates with soft seals (rubber rings, PTFE rings) can be used to reduce leakage (up to 0.01%). For high temperature and high pressure conditions, a three eccentric hard seal valve body can be used.
characteristic:
Simple and compact structure, easy to process,
Easy to make into large caliber, with self-cleaning function,
Low resistance coefficient and high flow capacity.
Main component materials:
| Part name | Material Science | Temperature range ℃ |
| Valve body and valve plate | ZG230-450 | -40-450 |
| ZG1Cr18Ni9Ti | -250-550 | |
| ZG0Cr18Ni12Mo2Ti |
Main technical parameters:
| Nominal diameter mm | 50 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | |
| Rated flow coefficient Kv | 85 | 220 | 340 | 530 | 770 | 1360 | 2130 | 3060 | 4160 | 5450 | 6900 | 8500 | 12200 | 16600 | 21700 | 27540 | 34000 | |
| Nominal pressure MPa | 0.6 | |||||||||||||||||
| Rated angle ° | 70 | |||||||||||||||||
| Signal pressure KPa | 20~100 | |||||||||||||||||
| Traffic characteristics | Approximately equal percentage | |||||||||||||||||
| Medium temperature ℃ | -20-200 (room temperature); -40-450 (medium temperature); -40-600 (high temperature) | |||||||||||||||||
| nozzle flange | According to JB78-59 clamp type flange connection | |||||||||||||||||
| Signal connection screw hole | M16×1.5 | |||||||||||||||||
| Equipped with actuator | Film | ZMA-2 | ZMA-3 | ZMA-4 | ZMA-5 | |||||||||||||
| piston | ZSC-45 | |||||||||||||||||
| body material | ZG230-450； 1Cr18Ni9； ZG1Cr18Ni9Ti、ZGOCr18Ni12Mo2Ti | |||||||||||||||||
| Can be equipped with accessories | Handwheels, locators, air filters, pressure reducers, etc. | |||||||||||||||||
External dimensions:
| Nominal Diameter | D1 | D2 | L1 | L2 | n-d | H | H1 | H2 | D | L3 | Distance between flange end faces |
| 50 | 110 | 92 | 200 | 4-14 | 637 | 582 | 382 | 280 | 278 | 60 | |
| 80 | 150 | 125 | 92 | 200 | 4-18 | 644 | 582 | 382 | 280 | 278 | |
| 100 | 175 | 145 | 102 | 210 | 654 | 280 | 278 | ||||
| 125 | 200 | 175 | 117 | 234 | 8-18 | 723 | 636 | 436 | 325 | 278 | |
| 150 | 225 | 200 | 130 | 247 | 736 | 325 | 278 | ||||
| 200 | 280 | 255 | 172 | 287 | 763 | 325 | 278 | 70 | |||
| 250 | 335 | 310 | 197 | 327 | 12-18 | 1008 | 853 | 615 | 410 | 376 | |
| 300 | 395 | 362 | 227 | 351 | 12-23 | 1034 | 410 | 376 | 80 | ||
| 350 | 445 | 412 | 252 | 376 | 1059 | 410 | 376 | ||||
| 400 | 495 | 462 | 296 | 432 | 16-23 | 1238 | 1007 | 720 | 495 | 376 | 100 |
| 450 | 550 | 518 | 321 | 459 | 1266 | 495 | 376 | ||||
| 500 | 600 | 568 | 346 | 484 | 1291 | 495 | 376 | ||||
| 600 | 705 | 755 | 480 | 565 | 20-25 | 1486 | 1109 | 796 | 180 | 150 | |
| 700 | 810 | 860 | 530 | 615 | 24-25 | 1539 | 180 | ||||
| 800 | 920 | 975 | 595 | 675 | 24-30 | 1596 | 180 | 200 | |||
| 900 | 1020 | 1075 | 685 | 770 | 24-30 | 1661 | 1124 | 180 | |||
| 1000 | 1120 | 1175 | 735 | 810 | 28-30 | 1711 | 1124 | 180 | 200 |
Ordering Notice:1. Product model and name 2. Nominal diameter (DN) 3. Nominal pressure (PN) 4. Rated flow coefficient KV 5. Material of valve body and internal components 6. Fixed flow characteristics 7. Applicable temperature and medium 8. Operating mode of the whole machine (electric opening, electric closing) and input signal 9. Whether accessories (operator, servo amplifier, etc.) are included 10. Other special requirements
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