Brand:YDL
Model:D61H
Weld Butterfly valve
Usage & Features
lt is appilcable to the pipelines of high temperature,high pressure,and heat preservation as the function to open,close or adjusting flow.Main features details as below:
1.Compact structure,small volume,lightweight,flexible operation,convenient using.
2.With three-eccentric flexible and multi-performance can reach zero leakage.
3.The kind of valve hasn′t flanges ,which make the pipelines and jacket-in stalled great convenient and beautiful.
4.There are advantages with high temperature and high pressure resistant,corrosion resistant,friction resistant,ect.
· Method
Worm gear,pneumatic and electric drive
·Applicable Standard
Welded dimensions：GBl2224；ANSI B16.25；DIN2559
Face-to-face：GB／T12221-1989;APl609
Pressure test：GB/Tl3927-1992;APl598
·Main Technical Parameter
| DN(mm) | 50-700 | ||||
Nominal pressure | PN(MPa) | 0.6 | 1.0 | 1,6 | 2.5 | 4.0 |
Ps(MPa) | lntensity Test | 0.9 | 1.5 | 2.4 | 3.75 | 6.0 |
Seal test | 0.66 | 1.1 | 1_76 | 2.75 | 4.4 | |
Air Test | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | |
applicable Medium | Water,steam,oil products,corrosive acid,etc. | |||||
Applicable Temperature | Carbon steel: -29??25?Stainless steel: 40??00??/P> | |||||
·Material of Main Parts
| Material |
Body | Cast steel,stainless steel,Cr-Mo steel,special material |
Disc | Cast steel,alloy steel(Cr plated),stainless steel,Cr-Mo steel,special material |
Seal ring | Stainless steel,anti-wearing material |
Stem | 2Crl3, 1Crl3Stainless steel,Cr-Mo steel |
Packing | Flexible graphite |
