NES 11u
(more info)
 NES 3u Mechanical Pusher Seal

Equivalent to Sealol 527, 528


Operating Conditions:

Pressure: Up to 10 kg/cm2
Temperature: -20C ~ 230 C
Speed: Up to 25 m/s



Face: Carbon, SiC, TC
Seat: Ceramic, SiC, TC
O-Ring: NBR, EPDM, Viton

Cross Specification Chart

Cross Specification Chart for NES 11u mechanical seal equivalent to Sealol 527, Sealol 528

Additional Notes:

Short working length, can suit all DIN standard pumps. Wave springs are available on request.

Standard Seat Compatibility:

NES U mechanical seal seat

NES U is equivalent to John Crane* WM

specification chart in Inches

Alternative Seat Compatibility:

NES N mechanical seal seat

NES N is equivalent to DIN SHORT

specification chart in Metric


NES D mechanical seal seat

NES D is equivalent to Burgman G60

specification chart in Metric


NES W mechanical seal

NES W is equivalent to John Crane* V

specification chart in Metric

specification chart in Inches


  * 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.