7800 Series rotary shaft seals from CinchSeal are ideal for screw conveyors and other bulk handling equipment. Made from 316 stainless steel, these rotary seals handle dry and slurry applications in industries like food processing, pharmaceutical, and chemical where stainless steel is required.
Standard Features
- Zero maintenance due to unique self-adjusting design
- Manufactured out of 316 stainless steel to handle caustic wash downs
- Consumes 30% less power than rope packing
- Will not damage or undercut shaft, preventing product loss and premature bearing failure
- Seals dust and vapor
- Designed for CEMA screw conveyor and bulk handling equipment, the 7800 series is a self-adjusting seal
- Temperature range: –50˚F/45.55˚C to 400˚F/204˚C
- Bolting pattern will accommodate flange mounted bearings
- Designed with linear shaft seal qualities, it can handle linear shaft growth and axial runout
- Purged with air, 5 to 8 psig above vessel pressure, or silicone grease
Available Accessories
Self Adjustment and Aligning
CinchSeal rotary shaft seals readily accommodate a reasonable amount of shaft vibration, misalignment, or wobble. The rotor cup “floats” against the face of the stator plate so any lateral shaft movement produces nothing more than a slight orbital eccentricity.
Contact us today for more information on the 7800 Series bulk seal, other food handling seals, or any of our other products.
7800 Series – Rotary Shaft Seal Dimensional Information
| A | B | C | D (min.) | D (max.) |
|---|---|---|---|---|
| 1,5 | 0,625 | 5,375 | 3,3 | 4,357 |
| 2,0 | 0,75 | 6,50 | 4,0 | 5,390 |
| 2,437 | 0,75 | 7,375 | 4,50 | 6,275 |
| 3,0 | 0,88 | 7,875 | 5,50 | 6,670 |
| 3,437 | 0,88 | 9,25 | 6,76 | 8,0 |
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