Rubber Bellow Mechanical Seal (Equivalent to John Crane 21 Type)

The Rubber Bellow Mechanical Seal (Equivalent to JC – 21 Type) is the most common and low-priced type used for simple and non-critical applications. It’s having a single spring for non-clogging, self-cleaning operation and bellows for self-alignment in case of axial and radial end play & run out in the shaft. There are a lot of designs and shapes available in this series to accommodate almost all types of stuffing boxes. This series is available in Metric as well as British Standard sizes. It finds great usage in the light applications like Water, Milk, Juice, Coolants & soft slurry, etc. Elastomeric Bellow Mechanical Seals can be designed according to the dimensions of the stuffing box. Length and Diameter can be adjusted to fit any type of cavity, therefore it finds usage in a wide variety of Equipment. We can develop these seals in custom-made designs also.

Features;

• Single seal
• Pusher type
• Elastomeric bellow
• Unbalanced design
• Internally mounted
• Rotating single spring
• Single helical coil spring
• Low cost & mass produced
• Torque transmission by spring holder
• Independent of the direction of rotation

Specification;