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KOR 사이트 내 전체검색
  • Semi   >   Circular Gate Valve   
  • V21-D_Link Type
* Please use the inquiry phone or bulletin board for various product inquiries.

Fitting Standard ISO-KF
Gate Size (mm) DN 50mm / 2inch
Pressure Range 1.0xE-8 pa to 1.6xE5 Pa 
Helium Leak Rate External < 5.0xE-8 Pa*㎥/sec
Internal < 5.0xE-8 Pa*㎥/sec
Feed Through Welded Bellows
Pneumatic Actuator Type Double Acting
Air Connection OD Ø4 One-Touch Type 
Air Pressure 0.5 Mpa
(Tolerance level : 0.45 ~ 0.6 MPa) 
Air Less Lock Open N/A
Close Lock
Life Cycles Mechanism 200,000
Bellows 500,000
O-Ring(Seal) 200,000
Lubrication 200,000
Temperature Gate(Seat) ≤ 120°C
Actuator ≤ 60°C
Lubrication Vacuum Inside Non Lubrication
Mechanism PFPE Grease
Materials Valve Body, Gate(Blade),
Seal Plate,
Bellows End Pieces
STS304 (SUS304)
Welded Bellows  STS316L
Gate Mechanism  STS304, ETC 
Cylinder AL6061, ETC
Vacuum Seal FKM
Pneumatic Seal FKM
Surface Treatment Valve Body Sanding
Gate(Blade) Sanding
내용3
  • Head Office : 1433-64, Seobu-ro, Gwonseon-gu, Suwon-si, Gyeonggi-Do, Korea | TEL : +82-31-8003-1133 | FAX : +82-31-8003-3399 |
  • Contact us at jw.jee@presys.kr | Copyright(c) 2013 Presys. All Rights Reserved.