Large diameter 2-way piston valves with an air-driven double-acting cylinder used in the water-cooling lines in steelworks, such as laminar cooling devices for hot-rolling mills.
| Appearance | Model Number | Size | Operating Air Pressure | End Connection | |
 |
LPA2232-J1P | DN50〜DN200 | 0.4〜0.7MPa | Pilot air port | Rc 3/8 （DN50～DN125） Rc1/2 （DN150,200） |
| 1,2 Port | Flanged （JIS10K） |
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 |
LPA2232-J2P | DN50〜DN100 | 0.4〜0.6MPa (100Aは0.4〜0.5MPa) |
Pilot air port | Rc 3/8 （DN50～DN100) |
| 1,2 Port | Flanged （JIS20K） |
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With POC valve for keeping valve closed (Specialized specification: Z3)
If the air supply is stopped with the valve closed, the POC valve temporarily maintains the pressure in the upper air chamber to prevent water pressure leakage from the valve seat.
With sensor bracket (Specialized specification: Z5)
Designed with a bracket for mounting a proximity sensor to detect whether the valve is opened or closed.
