General-duty Elastomer Bellows Shaft Seal is21
Our general-purpose is21 mechanical seal has become the industry standard for OEM designers.
Automatic adjustment compensates for abnormal shaft-end play, run-out, primary ring wear and equipment tolerances.
The is21 is ideal for use in centrifugal, rotary and turbine pumps, compressors, chillers and other rotary shaft equipment. It is also commonly used by the wastewater and water systems industries for applications such as waste treatment, potable water and HVAC.
Product Description is21
The is21, a general purpose seal, has become an industry standard with OEM designers. Made of stainless steel, it provides a service range well beyond that which is possible with comparably priced seals of other metallurgical construction.
The positive static seal between the bellows and the shaft, along with the free movement of the bellows, means that there is no sliding action could lead to shaft damage by fretting. This ensures that the seal will automatically compensate for normal shaft run-out and axial movements.
This versatile seal can be used on a wide range of equipment including centrifugal, rotary and turbine pumps, compressors, mixers, blenders, chillers, agitators, and other rotary shaft equipment.
Ideal for pulp and paper, pool and spa, water, food processing, wastewater treatment, and other general applications
Recommended Applications is21
- Process pumps
- Other rotating equipment
Features is21
- California Residents: PROPOSITION 65 WARNING
- The drive band’s “dent and groove” design eliminates overstressing of the elastomer bellows to prevent bellows slip and protect the shaft and sleeve from wear.
- Non-clogging, single-coil spring provides greater dependability than multiple spring designs and will not foul due to fluid contact.
- Flexible elastomer bellows automatically compensates for abnormal shaft-end play, run-out, primary ring wear and equipment tolerances.
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