TYPE 21S

The term "JC1" is not a specific Sealergy Seals product, but rather a designation that is used to refer to seals that are interchangeable with the John Crane Type 1 mechanical seal. The John Crane Type 1 is a well-known industry standard for mechanical seals. It is a general-purpose, elastomer bellows seal that is widely used for its reliability and versatility. Depending on the materials used, these seals can operate in a wide range of pressures, temperatures, and speeds. For example, some variants can handle pressures up to 20 bar and temperatures up to 150°C. The JC1 is a highly adaptable seal suitable for a wide range of rotary equipment, including pumps, mixers, blenders, and agitators. It is effective with a variety of fluids, from water and steam to mild chemicals and oils. The seal features a single-coil spring that is less prone to clogging than multi-spring designs, making it a reliable choice for applications that may contain some particulate matter. The elastomer bellows design allows it to compensate for minor shaft movements, ensuring consistent performance. As a widely recognized industry standard, the JC1 is easily interchangeable with seals from other manufacturers. This simplifies procurement and replacement, reducing downtime and operational complexity. Its simple and robust design makes the JC1 a durable and economical choice. It provides a long service life with minimal maintenance, which can lead to lower total costs over time.

• Pressure: It can handle pressures up to 10 Bar (145 psi).
• Set screw lock collars available: Some versions offer a set screw locking collar.
• Unbalanced: Yes
• Single Spring.: Yes
• Bi-directional.: Yes
• Elastomer Bellows: Yes