Shaft Seal Eliminates Product Loss


The latest AM Solutions™ design, the AM CEMA shaft seal, was developed specifically for CEMA (Conveyor Equipment Manufacturers Association) Screw Conveyors.


AM (Air Mizer®) Solutions are complete shaft seals that permanently protect against product loss and contamination on industrial processing equipment. By utilizing a positive air or inert gas-purge, Inpro/Seal AM Solutions shaft seals provide a non-contacting and non-wearing seal, lasting the lifetime of your equipment.


Shaft movement and misalignment are common on screw conveyors. Traditional seals rely on dynamic contact to create a seal. Shaft movement creates frictional contact, causing the seal to wear or groove the shaft, leading to seal failure. Seal failure brings higher production costs, increased maintenance, environmental concerns, and even unsafe working conditions.


The AM CEMA shaft seal utilizes a positive air or inert gas-purge to create a barrier between the shaft and seal, eliminating product leakage and process contamination. Due to its unique, non-contacting design, the AM CEMA shaft seal has no wearing parts, requiring minimal maintenance or need for rebuild kits. To accommodate shaft movement, the AM CEMA shaft seal fully articulates to allow for radial run-out and angular misalignment simultaneously.


  • Standard Material: Aluminum, Nyloil or CPG
  • Axial Movement: 0.015 in.
  • Radial Movement: 0.118 in.
  • Temperature Range
         - Nyloil: 32 to 200°F
         - CPG: 0 to 400°F
  • Speed: 1,800 rpm
  • Shaft Size: 1.000, 1.500, 2.000, 2.438, 3.000, 3.438, 4.438 in.
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