Rotary Shaft Seals by CinchSeal

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Everything To Know About CinchSeal 7800 Rugged CEMA Rotary Shaft Seals

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It’s hard to let go of technology you’ve grown used to. When the first iPhone came out, it was difficult for many people to grow accustomed to a phone without physical buttons. The same holds true for machine shaft seals used on bulk handling and mixing equipment. Plant managers who see mechanical seals leak on a regular basis might dismiss it as inevitable if it’s all they know.

CinchSeal’s 7800 series advanced rotary shaft seals make lip seals and basic rope packing look like a rotary dial phone next to an iPhone X. Ideal for CEMA screw conveyors and other bulk handling equipment, these seals put an end to leaks, contamination, and frequent maintenance. Depending on your machine, you’ll want either the 7800 series or the 9700 series. Let’s explore the differences between them.

7800 series: No leaks, no maintenance

How many times a year do you have to stop production for planned or unplanned maintenance on your seals? Zero maintenance and reliable sealing against dust and vapors are just two of the 7800 rotary shaft seal design features.

Here are a few more that make the 7800 series ideal for a wide range of industries, including food service, pharmaceutical, and chemical:

  • 316 stainless steel construction to handle caustic washdowns
  • 30 percent lower power requirement than rope packing
  • No shaft damage or undercutting
  • No premature bearing failure
  • Self-adjusting seal to manage shaft movement
  • Operates in temperatures ranging from -50˚F/45.55˚C to 400˚F/204˚C
  • Handles linear shaft growth and axial runout
  • Bolting pattern that accommodates flange-mounted bearings
  • Multiple accessories: seal repair kits, 7800 regulators to manage air pressure, and an automatic greaser

Like other advanced rotary shaft seals by CinchSeal, 7800 series seals:

  • Provide a significantly larger shaft/seal interface surface to stop leakage and contamination
  • Are easy to assemble and disassemble for simplified cleaning
  • Prevent shaft damage using an elastomer that spins with the shaft, eliminating friction
  • Deliver optimum high-pressure performance with air or silicone grease purging

7800 series seals offer reduced maintenance, less frequent replacement, and reduced product loss by preventing leakage and contamination.

9700 series: Food safe

All of the 9700 series seals’ internal parts meet USDA standards for indirect food contact.

These stainless steel seals are designed “split,” meaning they’re very easy to install and maintain. If work is needed, they can be removed without unbolting the housing. Furthermore, you won’t need outside help for installation. It’s the ideal solution for operations that require frequent seal disassembly for cleaning.

If you use industrial blenders, mixers, and dryers, 9700 series seals are likely right for your business. Conversion from mechanical packing is easy, and the return on investment is fast.

The 9700 series seals could be your best choice if you process food, spices, and flavorings, pharmaceuticals or chemicals. The best way to decide which high pressure rotary shaft seal series is right for you is to discuss your business needs and options with us.

Keep an eye out

The next time one of your industrial mixer or screw conveyor seals fails, think about these points before you repair or replace it:

  • CinchSeal advanced rotary shaft seals are prevent leakage, shaft damage and bearing failure.
  • Seal failure can be expensive, both in time and money spent. 7800 and 9700 series rotary shaft seals offer the lowest total cost of ownership over a machine’s lifetime.

Trusted rotary shaft seal manufacturers

Since 1994, CinchSeal has been a major mechanical seal supplier for screw conveyors, ribbon blenders and all kinds of bulk handling equipment. CinchSeal products serve as replacements and major upgrades for your technology, that make the need for machine replacement less likely.

More information on our industrial seal solutions or CinchSeal installation is available by contacting us. Quotes and drawings are guaranteed to be available in 24 hours. Custom engineering usually takes 10 days.

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Rotary Shaft Seals