(more info)
NES 1 Mechanical Elastomer Bellow Seal

Equivalent to John Crane* 1


Operating Conditions:

Pressure: 10 kg/cm2
Temperature: -10 C ~ 180 C
Speed: Up to 13 m/s



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

Cross Specification Chart

Cross Specification Chart for NES 1  


Additional Notes:

Frequently used by the pulp and paper, petrochemical, wastewater treatment, food processing, chemical processing and power generation industries.

Suitable for a wide range of service conditions: from water and steam to chemicals and corrosive materials. 

Ideal for use in pumps, mixers, blenders, agitators, air compressors, blowers, fans and other rotary shaft equipment.

Standard Seat Compatibility:

NES U mechanical seal seat

NES U is equivalent to John Crane* WM

specification chart in Inches

Alternative Seat Compatibility:

NESEAL - NES S Seal Seat

NES S is equivalent to John Crane* NG

specification chart in Inches


NESEAL - NES T Seal Seat

NES T is equivalent to John Crane* WG

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.