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  • Semi   >   Rectangular Gate Valve   >   Door Valve
  • V70-D_Standard Type(Double Cylinder)
* Please use the inquiry phone or bulletin board for various product inquiries.
Fitting Standard SEMI E21.1-1296 
Gate Size (mm) 50mm x 336mm 
Pressure Range 1.0 X E-7 ~ 1.0 X E5 Pa (abs) 
Helium Leak Rate External N/A
Internal < 1.0X E-10 Pa*㎥/sec
Feed Through Welded bellows
Pneumatic Actuator Type Double acting
Air Connection OD Ø6 / one-touch type / Speed Controller (Meter-out) 
Air Pressure 0.5 MPa
(Tolerance level : 0.45 ~ 0.6 MPa) 
Air Less Lock Open N/A
Close Lock
Life Cycles Mechanism 3,000,000
Bellows 3,000,000
O-Ring (Seal) 1,000,000
Lubrication 1,000,000
Temperature Valve Body < 150℃ 
Actuator < 80℃ 
Lubrication Vacuum Inside Non lubrication
Mechanism PFPE Grease
Air Cylinder PAO Grease
Materials Valve Housing N/A
Gate(Seat) AL6061
Bonnet  AL6061
Shaft (Stem) STS304
Bellows AM350 
Bellows End Piece  STS304
Gate seal FKM
Bonnet Seal N/A
Vacuum seal N/A
Pneumatic Seal FKM
Surface Treatment Valve Housing N/A
Gate (Seat) Bare
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  • Contact us at jw.jee@presys.kr | Copyright(c) 2013 Presys. All Rights Reserved.