CinchSeal 7600 Series Industrial Rotary Shaft Seals

The CinchSeal 7600 Series include the 7620 and 7650 series solid aluminum rotary shaft seals.

The maintenance-free 7620 and 7650 series solid aluminum rotary shaft seals by CinchSeal are designed for larger shaft sizes ranging from 3.937” to 6.00”. These seals are ideal for screw conveyors, bucket elevators, and other bulk-handling equipment.

The 7620 model has a solid clear coat aluminum housing and endplate with a solid hard coat anodized aluminum rotor cups and solid PTFE stator plates. The repair kits for the 7620 model are also solid.

The 7650 model has a solid hard coat anodized aluminum housing and endplate, but the internal parts of this model are split to make future repairs possible without having to unbolt the housing. Future seal parts in repair kits consist of split PTFE rotor cups and split elastomer.

• Industrial seals designed for screw conveyors and other bulk handling equipment ranging from 3.937” to 6.00”

• Temperature range: -50F to 400F

• Designed to accommodate repair kits

• The bolting pattern will accommodate flange-mounted bearings

• The housing is machined out of Anodized Aluminum

• Designed to handle linear shaft growth and 1/4” total radial shaft runout

• Purge with air, 5 to 8 psi above vessel pressure, or silicone grease

• Zero maintenance due to unique self-adjusting design

The key component in both the 7620 and 7650 seals is the blue elastomer molded out of an FDA-approved silicon material that is very durable and can handle temperatures up to 400F. The elastomer is molded slightly smaller than the shaft size so that an interference fit with the shaft is achieved. This snug fit seals the shaft and stops material from leaking out as well as causing the internal seal parts to turn with the shaft. Unlike mechanical packing and lip seals that are stationary and damage rotating shafts, our elastomer spins with the shaft thus eliminating any chance of shaft wear and damage. As the elastomer turns with the shaft it drives two rotating faces or “rotor cups” that are compressed with optimum load against stationary faces to seal potential leak paths. We offer the 7620 model with solid internals and the 7650 model with split internals designed to be repaired with a split repair kit.

Check the 7600 Series Shaft Seals Guide and the 7620 Series Manual to select the rotary shaft seal that best suits you.

HVH Industrial works with the specialized engineering teams of manufacturers to meet our customer's requirements and the highest quality standards. 

If you have any questions, write us via live chat (one of our team members will answer your questions), call, or send us a quote request. The HVH team is always ready to help you.

1(866)577-4040

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