NES type 3b mechanical seal is equivalent to Burgmann H21N

NES 3b - seal

NES 3b Mechanical Pusher Seal - equivalent to Burgmann H12N
NES 3b is high quality mechanical seal equivalent to Burgmann H12N Burgmann H12N

Operating Conditions:

Pressure: Up to 25 kg/cm2
Temperature: -20 C ~ 200 C
Speed: Up to 15 m/s

Materials:

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

Cross Specification Chart

Cross Specification Chart for NES 3b mechanical seal equivalent to Burgmann H12N
 

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Additional Notes:

A simple, reliable single spring balanced seal. Widely used in water pumps, sewage pumps, submerged pumps and chemical pumps.

Standard Seat Compatibility:

NES A mechanical seal seat is equivalent to Burgmann G9

NES A is equivalent to Burgmann G9

specification chart in Metric

Alternative Seat Compatibility:
 

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