NAK Australia
 
NAKProductsOil Seals
 
Search NAK: 
OverviewOil SealsO-RingsV-RingsDuo ConePump SealsBoots
 
 
 

T300 (Type 21) Mechanical Pump Seal

  
   
   Technical Information
     Mechanical Pump Seals
     T100 (Type 1)
     T164
     T200 (Type 2)
     T300 (Type 21)
     T305
     T316
     T325
     T348
     T460B
     T505B
     T600 (Type 6)
     T605B
     T626
     T700 (Type 6A)
     T800
     T827
     T850B
     T911B
     T960A
     T960B
     T968
t300.jpg
Operating Limits
 NBRViton
Pressure Range5 kg/cm²
Temperature Range-20°C ~ 100°C-20°C ~ 200°C
Speed Range10 m/sec
Construction
t300b.jpg
Item Description Material
1 Cup gasket NBR / Viton
2 Mating ring Ceramic
3 Seal face Carbon
4 Rubber diaphragm NBR / Viton
5 Retainer Stainless steel
6 Drive ring Stainless steel
7 Coil spring Stainless steel
8 Spring holder Stainless steel
Dimensions
A B C D E F G H
0.375 0.875 0.500 0.812 1.125 0.250 0.218 0.515
0.500 1.000 0.625 0.937 1.125 0.312 0.250 0.515
0.625 1.250 0.687 1.062 1.281 0.406 0.343 0.515
0.750 1.375 0.812 1.187 1.281 0.406 0.343 0.515
0.875 1.500 0.937 1.312 1.343 0.406 0.343 0.515
1.000 1.625 1.062 1.687 1.437 0.437 0.375 0.734
1.125 1.750 1.187 1.812 1.499 0.437 0.375 0.734
1.250 1.875 1.312 1.937 1.499 0.437 0.375 0.734
1.375 2.000 1.437 2.062 1.562 0.437 0.375 0.734
1.500 2.125 1.562 2.187 1.562 0.437 0.375 0.734
1.625 2.375 1.687 2.500 1.875 0.500 0.437 0.765
1.750 2.500 1.812 2.625 1.875 0.500 0.437 0.765
1.875 2.625 1.937 2.750 2.000 0.500 0.437 0.765
2.000 2.750 2.062 2.875 2.000 0.500 0.437 0.765
2.125 3.000 2.187 3.000 2.249 0.562 0.500 0.765
2.250 3.125 2.312 3.125 2.249 0.562 0.500 0.765
2.375 3.250 2.437 3.250 2.374 0.562 0.500 0.765
2.500 3.375 2.562 3.343 2.374 0.562 0.500 0.765
2.625 3.375 2.687 3.500 2.562 0.625 0.562 0.765
2.750 3.500 2.812 3.750 2.562 0.625 0.562 0.765
2.875 3.750 2.937 3.875 2.687 0.625 0.562 0.765
3.000 3.875 3.062 4.000 2.687 0.625 0.562 0.765
3.125 4.000 3.187 4.125 2.968 0.781 0.656 0.765
3.250 4.125 3.312 4.250 2.968 0.781 0.656 0.796
3.375 4.250 3.437 4.500 2.968 0.781 0.656 0.796
3.500 4.375 3.652 4.625 2.968 0.781 0.656 0.796
3.625 4.500 3.687 4.750 3.093 0.781 0.656 0.859
3.750 4.625 3.812 4.875 3.093 0.781 0.656 0.859
3.875 4.750 3.937 5.000 3.218 0.781 0.656 0.859
4.000 4.875 4.062 5.125 3.218 0.781 0.656 0.859