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Elastomer Bellows seal John Crane type 502 DIN 24960
This robust elastomer bellows seal is engineered for medium to heavy-duty applications, including hot water systems, mild chemical processing, and wastewater handling. Its versatile design ensures reliable performance under fluctuating operational conditions, making it suitable for industries requiring resilience against axial movement and pressure variations.
Product Detail
Compliant with DIN 24960/EN 12756 L1K standards, this seal integrates seamlessly into standardized seal chambers. It is validated for use in pumps such as the Allweiler ANBP 12.2, Allweiler CNM-D150-400 GW20, and Allweiler SLS 660 ER46, ensuring broad interoperability across industrial equipment. The bellows assembly also acts as a secondary seal, enhancing leak prevention in challenging environments.
Equivalent Products
• JohnCrane®: Type 502
• Vulcan®: Type 1724
• U.S. Seal®: Type I
• Flowserve Pac. seal®: Type 250
*Our ISO9001-certified manufacturing process guarantees identical dimensional specifications and performance to the listed OEM equivalents, providing a cost-effective solution without compromising quality or durability.
Material and Operating Range
Construction Materials:
•Rotary ring: Carbon/ Silicon Carbide (SiC) / Tungsten Carbide (TC)
• Stationary ring: 99% Ceramic / SiC/ TC
• Elastomer Bellows & O-Rings: VITON/ NBR/ EPDM
• Spring and Metallic Components: SUS304/ SUS316
* Custom material combinations (e.g., specialized elastomers or carbide grades) are available for unique operational needs. Contact us for tailored solutions.
Operating Range:
• Temperature Range: -40°C to 400°C
• Pressure Limit: ≤ 2.1 MPa
• Maximum Surface Speed: ≤ 20 m/s
Suitable Media:
• Potable water, wastewater, and sewage
• Pulp and paper processing fluids
• Mild chemical solutions and coolants
• Industrial water and lubricants
Installation Dimensions
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