Aeration pads and check valves

Faults where this part may be needed

• Valve open, no cement reaches the screwA bridge has formed in the cone.
• Flow starts, then stopsRat-hole: cement flows only in a central channel.
• Aeration has no effectPads blocked, air line blocked, or check valve failed.
• Lumps block the outletWater in the silo or in the aeration air.
• Overshoots badly when the silo is fullAerated cement flooding through the screw.
• Cement lumps at silo aeration padsWet air.

Troubleshooting page: Cement does not flow out of the silo — bridging, rat-holes and lumps → Open the diagnosis →

What to send when ordering

• Screw code and serial number from the plate, the section number and which end is driven.
• Gear motor: its own nameplate, not the screw’s.
• Hanger bearing: tube diameter and shaft diameter.
• Butterfly valve: nominal size, single or double flange, disc material and actuator type.
• Top filter: maker and model, number, length and diameter of the cartridges.
• Safety valve: connection size and set pressure. Level indicator: type, probe length and voltage.