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Vacuum Butterfly Valve
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Vacuum Butterfly ValvePressure Rating： CLASS 150~ CLASS 900 (PN10~PN160)
Nominal Diameter： 8〞~160〞 （DN200~DN4000）
Temperature Range： -196℃～850℃
Control Mode: Pneumatic、 Electric、 Hydraulic、 Electro-hydraulic、 Gas over Oil
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Details:
Adopt a new type of structure, that is welding of center-line plate and short-structural steel plate.
Compact structure, light weight, easy to install, low flow resistance, large flux.
Avoid the effect of high temperature expansion
Easy to operate
No connecting rod, bolt, etc., working reliably and long service life.
Independent of medium flow direction
Parameters:
Pressure Rating： CLASS 150~ CLASS 900 (PN10~PN160)
Nominal Diameter： 2〞~160〞
（DN80~DN4000）
Temperature Range： -196℃～850℃
Body Material： Carbon Steel，SS，duplex
,Hastelloy，Inconel， Monel，Alloy20，Incoloy，etc.
Disc Material： Carbon Steel，SS，duplex
,Hastelloy，Inconel， Monel，Alloy20，Incoloy，etc
Seat Material: PTFE，EPDM-A，SS，STL alloy etc.
Operating Mode： Manual, Pneumatic, Electric,
Hydraulic
