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Model | VFR-400 | VFR-500 | |
Common port diameter | Φ400mm | Φ500mm | |
Flange specification (JIS B2290 equivalency) | VF400 | VF500 | |
Open/close specification | 2 positions | ||
Open/close operation principle | Pneumatic | ||
Open/close time | 8sec | 12sec | |
Valve plate seal | Reverse pressure capable | ||
Open conductance | 50000L/s | 90000L/s | |
Pressure range | 1.0×10-5Pa~0.12MPa(abs) | ||
Allowable baking temperature (at stopped) | Valve body : < 120℃ Cylinder : < 80℃ Valve body : < 248F Cylinder : < 176F | ||
Allowable ambient temperature | 10 to 80℃ 50 to 176F | ||
Allowable Gass temperature | 10 to 80℃ 50 to 176F | ||
Compressed air pressure | 0.50 to 0.70MPaG 72.5 to 101.5psi 5.0 to 7.0bar | ||
Compressed air supply port | Φ8 tube connection | ||
Maintenance cycle | 100,000 | ||
Mouting angle | Free | ||
Main parts material | Valve body : AC4CH-T6 Seal plate : AC4CH-T6 | ||
Seal material | Vacuum side:FPM | ||
Oil | Z300 | ||
Weight | 98kg | 155kg | |
Flange to flange dimension | 150mm | 170mm |
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5/5/42 Thanh Binh Street, Hai Duong Province, Vietnam