NES type 7u mechanical seal is equivalent to John Crane 9

NES 7u - seal

NES 7u Mechanical Pusher Seal - equivalent to John Crane 9
Image John Crane 9

Operating Conditions:

Pressure: Up to 17 kg/cm2
Temperature: -20 C ~ 230 C
Speed: Up to 25 m/s

Materials:

Face: Carbon, SiC, SSiC, TC
Seat: Ceramic, SiC, SSiC, TC
Metal: 304SS, 316SS

Cross Specification Chart

Cross Specification Chart for NES 7u mechanical seal equivalent to John Crane 9Cross Specification Chart for NES 7u mechanical seal equivalent to John Crane 9
 

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Additional Notes:

PTFE wedge seals with compact design permits use in almost all types of pumps. Seals can be easily repaired and/or converted to O-Ring seals.

D3’ D4’ and L3’ suit John Crane Type 109, others suit John Crane Type 9. D11, D12 and L45 are the dimensions of Drive Pin.

Standard Seat Compatibility:

NES P mechanical seal seat is equivalent to John Crane AG

NES P is equivalent to John Crane AG

specification chart in Inches

Alternative Seat Compatibility:

NES W mechanical seal seat is equivalent to John Crane V

NES W is equivalent to John Crane V

specification chart in Metric

specification chart in Inches

  
NES S mechanical seal seat is equivalent to John Crane PG

NES Z is equivalent to John Crane PG

specification chart in Inches

  
NES A-4 mechanical seal seat is equivalent to John Crane U

NES A-4 is equivalent to John Crane U

specification chart in Metric

specification chart in Inches

  
 

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