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V400 Series UHP Cylinder Valves
V400 Series UHP Cylinder Valves
V400 series cylinder valve is developed for the semiconductor industry. It is designed for use with ultra-high purity gas cylinders to prevent gas leakage and achieve the low leakage rates demanded by ultra-high purity gas users.
Features
Suitable for most specialy gases including variants for oxygen and highly corrosive gases such as chlorine and hydrogen chloride
Manual and pneumatic versions are available based on a common body design
Final assembly and testing are carried out under Class 100 (ISO 5) cleanroom conditions
100% high-pressure helium leak test
Tied-diaphragm design with replacable valve seat
Various inlet and outlet gas connection standards are available (CGA, JIS, ISO etc.)
For transportation the actuator can be locked to prevent shock-induced leakage
Ordering Information
Ordering Information
Ordering Information
EX: SL
Body Material
- V400
Series
- N4
Cylinder connection*
- D632
Outlet Connection*
- K
Valve Seat Material
- R4
Safety Plug (Optional)
- T1
Flow Restrictor (Optional)
SL: 316L
SLV: 316L VAR
V401: Manual
V402: Pneumatic
P2: GB PZ27.8
N4: 3/4 NGT
T2: 1/2 NPT
B1: BSP, 1"-14
E2: EN 629-1 25E
D2: DIN 477 W28.8 X 1/14
J2: JIS B8246 V2
D632: CGA632 ( DISS )
D634: CGA634 ( DISS )
D714: CGA714 ( DISS )
D718: CGA718 ( DISS )
J22R: J22R
GB01: W21.8-14RH
C350: CGA350
C660: CGA660
BS03: BS 341#03
DN01: DIN 477#01
K: PCTFE
V: Vespel®
R4: R4 safety plug
( see table 1 )
T1: Flow Restrictor Diameter
( see table 2 )

* For other connections, please contact Genstar customer service.