MARINA is a simply structured and compactly designed round, pendulum type valve having stable sealing performance.
This valve handles a wide range of applications from semiconductor manufacturing equipment to large-size FPD or organic EL manufacturing equipment.
Diameter | Model | A | B | C | D | E |
---|---|---|---|---|---|---|
250 | M-250J(S)-2(3) | 460 | 655 | 100 | 134.5 | 250 |
320 | M-320J(S)-2(3) | 555 | 790 | 120 | 129.5 | 320 |
400 | M-400J(S)-2(3) | 630 | 944 | 135 | 129 | 400 |
Opening diameter | ~φ400mm |
---|---|
Working pressure range | Atmospheric pressure to 5.0×10-6Pa |
He leak rate | Valve body:1×10-10Pa・m3/s or less |
Seal plate:5×10-10Pa・m3/s or less | |
Differential pressure when open | 1000Pa or less |
Life cycles | Lock-free operation: 1,000,000 Open-close operation: 1,000,000 |
Materials | Valve casing unit:AC4C-T6 |
Seal plate:A5052 | |
Bellows:SUS316L | |
O-ring:FKM(Viton)® | |
Mounting posture | Seal face “top” or “bottom” |
Baking temperature | Valve casing:Max120℃ Drive section:Max60℃ |
Supply air pressure | Lock/Free port 0.5±0.05MPa Open/Close port 0.5±0.05MPa |
Air piping diameter | Lock/Free 6mm Open/Close 6mm |
Operating time | Lock/Free about 1.0s Open/Close about3.0s |