image module
diameter rangedn6~dn250
range of useviton seal:1×10-5pa~1.2×103
bellows seal:1×10-8pa~1.2×103
body and seat leakage rate≤5.3×10-7pa.l.s-1
body baking temperature≤150℃
installation locationmanual: any

pneumatic (

pneumatic (≥dn160): seal towards vacuum

electric (bellows seal): any

electric (fluororubber seal): seal towards vacuum

power supply

ac 220v/380v  50hz  6w

or dc 24v  3w

air source0.4~0.8mpa
opening and closing time

pneumatic(dn6~dn50):≤1s

pneumatic(dn63~dn250):≤3s

electric:≤1s
valve opening and closing position indicationwith open position indication

the high vacuum flapper valve is used to switch the vacuum line on and off. the principle of operation is to close and open the valve stem by moving it up and down. high vacuum flapper valves are mainly pneumatic, electric, manual, and other drive methods, the structure is mainly right-angle, straight-through, oblique angle. such valves have the advantages of simple structure, reliable sealing and convenient disassembly and assembly.

anti-protruding seal structure design can prevent the seal ring from falling off; compression seal groove structure, introduce the processing and installation process; special bellows seal, reliable sealing, cost control; integrated cylinder structure, reduce cost and weight; special electromagnetic valve installation, beautiful and economical; micro-switch sensing, plc control; overall aluminum material, reduce weight, control costs; no welding structure, reduce leakage, improve vacuum