NES 5 Elastomer Bellow Mechanical Seal

Equivalent to John Crane* Type 502

Operating Conditions

Pressure: 20 kg/cm²
Temperature: -20°C ~ 180°C
Speed: Up to 15 m/s

Materials

Face: Carbon, SiC, SSiC, TC
Seat: Ceramic, SiC, SSiC, TC
Elastomer: NBR, EPDM, Viton
Metal: 304SS, 316SS

Cross Specification Charts

NES Type 5 - Metric

Additional Notes

Suitable for a wide range of service conditions: hot water and mild chemical duties.
Compact working height that enables it to fit very short stuffing boxes.

Standard Seat Compatibility

NES G is equivalent to John Crane* BO

Specification Chart in Metric

Alternative Seat Compatibility

NES F is equivalent to John Crane* BP

Specification chart in Metric

NES A-1 is equivalent to John Crane* BD

Specification chart in Metric

* The John Crane and Flexibox trademarks are trademarks of their respective owners, and neither entity is affiliated with NE Seal Ind. Prod. LTD, its products, or its website, and does not manufacture, sponsor, or endorse its products.

Mechanical Seal Types:

Elastomer Bellows | Pusher Type Seals | Stationary Seats | Cartridge Seals | Slurry Seal