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April  26 , 2024  Friday
Home> pneumatic valve >> Dd643Hpneumatic multi-level metal hard sealing butterfly valve
  • Product number:MC-000000004410
  • Product name:pneumatic multi-level metal hard sealing butterfly valve
  • Product Type:Dd643H
  • Product nameplate:SAIC
  • Project Category:pneumatic valve >>
  • Manufacturer:Shanghai Automation Instrumentation Co., Ltd.
  • Sales unit: Shanghai Automation Instrumentation Marketing Center
  • Information download:Click to enter the download page  
  • Introduction
  • Specifications
Multi-level metal hard sealing butterfly valve, long using life, energy-saving butterfly valve. Designed according to three-dimensional eccentric, valve seat use hard soft sealing multi-level structure, excellent processing, advanced process. This valve mainly made up of valve body, valve plate, multi-level valve seat, valve seat, transmission body. So widely used in metallurgy, power, petroleum, chemical, air, gas, fire gas and corrosive media of pipes
Main features
1、  small open torque, flexible and convenient, energy-saving and effort
2、  three-dimensional eccentric, reliable sealing, no leakage
3、  high temperature resistance, corrosion resistance, wear resistance, long using life
Nominal diameter
DN(mm)
50~2000
50~500
Nominal pressure
PN(MPa)
0.6
1.0
1.6
2.5
4.0
Test pressure
Strength test
0.9
1.5
2.4
3.75
6.0
Sealing test
0.66
1.1
1.76
2.75
4.4
Gas sealing test
0.6
0.6
0.6
0.6
0.6
Leakage rate
<0.1×DNmm3/s(according to GB/T13927-92 standard )
Suitable temperature
Carbon steel :-29℃~425℃  stainless steel -40℃~600℃
Suitable media
Air 、water、steam、gas、oil and acid, alkali, salt, weak corrosive medium
Drive mode
Worm transmission 、gas transmission、electric transmission
 
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