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1 Purpose
This kind of butterfly valve is suitable for water, oil, air, gas with applicalble temperature≤80 and 0.6--1.0MPa pressrue class for pipes to adjust flux.
2 Structure characteristic
This butterfly valve that absorbed, digested technology from abroad is according to the standard of ANSI/AWWA-C504-80 to design, manufacture, test with the feature of particular structure, small bulk, operation skillfully, labor saving, conveniently, seal reliably.
3 Operation priciple
Operated by lever, worm gear, pneumatic, electric actuators and other ways, making the disc running 90 angle and reach to the function of adjusting the flux and sealing.
4 Material of main parts
NO NAME OF PARTS MATERIAL
1 SEAT NBR
2 STEM(DOWN) CF3/CF3M/CF8/CF8M
3 DISC WCB/65-45-12
4 STEM(UP) CF3/CF3M/CF8/CF8M
5 BODY WCB/65-45-12
Main dimension
DN D D1 L H1 H2 n-d N-M
100 229 180 127 120 225 8-17.5
125 254 210 127 130 240 8-17.5
150 279 240 127 140 260 8-22
200 343 295 152 175 290 8-22
250 406 350 203 205 340 12-22
300 483 400 203 245 360 12-22
350 533 460 203 270 400 16-22
400 597 515 203 300 432 16-26
450 635 565 203 320 475 16-26 4-M27
500 699 620 203 360 560 16-26 4-M27
600 813 725 203 410 680 16-30 4-M27
Butterfly Valve