... . Specification: 0.5m3 1m3 2m3 2. Sealed pnematic ash transport system for dust collector. 3. Save power, air drive Dense Phase ... , pump body, feeding valve, unloader device, intake pipe road, automatic control system, the exhaust valve etc. Storehouse pump divided into ... steel plant.5. Good sealing. Material run in a closed pipe, no dust, environment protect. Reliable operation, less wearing parts ...