NES type 6b mechanical seal is equivalent to John Crane 8B-1

NES 6b - seal

NES 6b Mechanical Pusher Seal - equivalent to John Crane 8b-1
Image John Crane 8B-1

Operating Conditions:

Pressure: Up to 62 kg/cm2
Temperature: -20 C ~ 200 C
Speed: Up to 25 m/s

Materials:

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

Cross Specification Chart

Cross Specification Chart for NES 6b mechanical seal equivalent to John Crane type 8B-1Cross Specification Chart for NES 6b mechanical seal equivalent to John Crane type 8B-1
 

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Additional Notes:

Multi-spring push seal with compact design permits use in almost all types of rotary equipment and can be shaft mounted or build into a cartridge seal.

Standard Seat Compatibility:

NES U mechanical seal seat is equivalent to John Crane WM

NES U is equivalent to John Crane WM

specification chart in Inches

Alternative Seat Compatibility:

NES S mechanical seal seat is equivalent to John Crane NG

NES S is equivalent to John Crane NG

specification chart in Inches

NES T mechanical seal seat is equivalent to John Crane WG

NES T is equivalent to John Crane WG

specification chart in Inches
 

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