Pneumatic piston adjustable butterfly valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Pneumatic piston adjustable butterfly valves
features
CV3000-HCB cage regulator is pressure balanced regulator, trims use socket oriented guide valve core, it mainly uses fluid pressure to realize valve core rapid movement, operating force is small. In addition, sealing type uses single seat sealing, high precision flow characteristic curve, in accordance with IEC534-1 standard. Regulator dynamic stability is good, noise is low, and air defense, it is suitable for controling kinds of temperature high pressure difference flow. Equipped with electric actuators, its structure is compact, and output is large.
The product conforms to the GB/T4213-92.
structures
Pneumatic piston fast cutting off valve constructral diagram(pic1)
Pneumatic piston fast cutting off valve constructral diagram(pic2)
Pneumatic piston fast cutting off valve constructral diagram(pic3)
technical parameters and performance indicators
body：WCB、HT200、ZG230-450、ZG1Cr18Ni9Ti
disc：carbon steel、1Cr18Ni12Mo2Ti
long shaft：1Cr18Ni9Ti
seat: carbon, stainless steel lined synthetic rubber or enhanced PTFE
inner bearing :bronze,stainless steel bead welded stellite
packing: Ptfe flexible graphite
bonnet: carbon steel
technical parameters
| DN(mm) | 50 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 |
| rated flow coefficient Kv |
100 | 200 | 405 | 620 | 1150 | 2030 | 3150 | 4550 | 6200 | 8100 | 10260 | 13500 | 19800 | 27000 | 35700 | 44 600 |
55 080 |
| flow character -istic |
equal percentage | ||||||||||||||||
| PN(Mpa) | 0.1、 0.25、 0.6、 1.0 | ||||||||||||||||
| working temper -ature（℃） |
normal temperature -20～250、 middle temp.-40～450、 high temp.：450～560 | ||||||||||||||||
| signal scope (Kpa) |
20～100 | ||||||||||||||||
| actuator effective area cm2 | 280 | 400 | 630 | 1000 | 484（ZSCW type） | ||||||||||||
| air supply pressure (Mpa) | 0.14 | 0.5 | |||||||||||||||
| disc corner（degree） | 0～70 | ||||||||||||||||
| leakage class | Ⅱ, Ⅵ | ||||||||||||||||
| allowed pressure differential （Mpa） |
0.22 | 0.086 | 0.045 | 0.054 | 0.031 | 0.013 | 0.017 | 0.0 098 |
0.0 062 |
0.010 | 0.0 071 |
0.0 052 |
0.0 19 |
0.0 12 |
0.0 08 |
0.0 06 |
0.0 04 |
| intrinsic adjust -able ratio |
20：1 | ||||||||||||||||
external dimensions (unit：mm）
| DN | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | |
| H | 377 | 407 | 484 | 540 | 615 | 660 | 742 | 838 | 935 | 947 | 1430 | 1455 | 1495 | 1700 | 1770 | |
| H1 | 102 | 117 | 162 | 180 | 245 | 240 | 272 | 300 | 326 | 351 | 500 | 515 | 535 | 640 | 660 | |
| H2 | 125 | 140 | 172 | 210 | 250 | 270 | 320 | 328 | 362 | 386 | 690 | 700 | 720 | 780 | 830 | |
| B | 55 | 65 | 72 | 82 | 87 | 98 | 98 | 102 | 112 | 122 | 160 | 188 | 196 | 208 | 218 | |
| D | 160 | 180 | 240 | 295 | 350 | 400 | 460 | 515 | 565 | 620 | 720 | 840 | 950 | 1050 | 1160 | |
| N×d | 4-18 | 4-18 | 4-23 | 4-23 | 4-23 | 4-23 | 4-23 | 4-23 | 4-25 | 4-25 | 20-30 | 24-30 | 24-34 | 28-34 | 28-34 | |
| L | signle acting | 230 | 522 | 580 | 858 | 1090 | 1430 | 1845 | 2605 | |||||||
| double acting | 240 | 280 | 370 | 640 | 827 | 1162 | 1380 | 1860 | ||||||||
Accessories: a. valve locator, air filtration decompression b. valve position transmitter c. solenoid valves, air source trigeminy parts d. dispatch (or limit switches) e. manual
