Top filter cartridges

Faults where this part may be needed

• Cement on the roof around the safety valveOver-pressure event: filter blocked, silo overfilled, or tanker vented into the silo.
• Safety valve blows at every deliveryFilter blinded, pressure sensor set equal to the valve, or tanker pressure too high.
• Dust plume from the filter outletTorn cartridge or seal leak.
• Cartridges wet or hard-cakedWater in the compressed air, or a roof leak.
• Cartridges burstCleaning pressure too high.

Troubleshooting page: Silo over-pressure during filling — safety valve, filter and alarms → Open the diagnosis →

Usually replaced together

Cartridges that blind quickly in one row point to a failed pulse valve diaphragm.

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.