FAQs - Conveying Systems

Sometimes the rotation of the rotor is reduced when too much material or large pieces of material get jammed in the clearances. In this case, shear pin sprockets will shear the pin on the sprocket, reducing the risk of damage to the rotor.

Too much clearance between the rotor, endplates, and/or housing can result in air loss. Measure the rotor-to-endplate and rotor-to-housing clearances to confirm that they are an NFPA compliant 0.0079 inches. If the clearance is larger than this, it might be time to replace your rotor, rotary valve, or have it sent back to ACS Valves for a repair or evaluation. Make sure to stick to a maintenance schedule and check your clearances at least every three months.

The capped pipe is called a housing vent port. Rotor pockets can sometimes contain a volume of pressured air, which can impede material flow into the airlock inlet, reducing your efficiency. Also, in conveying systems that run at 6 PSI and higher, large releases of air up the return side of the airlock can cause pulsing in the material flow into the conveying line. Using a vent helps solve both of these issues and improves your fill efficiency.

Shear protectors reduce the flow of material at the valve's inlet. Reduced flow allows for better pocket fill and also reduces the risk of product jams in your housing clearances, which ultimately protects your product from damage.