Caterpillar flange is frequently used on pumps and motors in fluid power systems of excavator, loader etc construction machinery The compatible fitting is available in two pressure ratings, depending on size Code 61 Form R Type 1 PN 35/350 bar can operate at pressures from 500–5000 PSI. Code 62 Form S PN 415 bar Type 2 is the heavy-duty style and operates up to 6000 PSI. however the flanged head diameters and bolt hole spacing are larger for high pressure Code 62 fittings.
Caterpillar CODE 62 Flange size | ||||
Nominal Flange Size(in) | Flange OD | A | B | C |
3/4 | 1.625 | 0.938 | 2 | 0.56 |
1 | 1.875 | 1.094 | 2.25 | 0.56 |
1 1/4 | 2.125 | 1.25 | 2.625 | 0.56 |
1 1/2 | 2.5 | 1.438 | 3.125 | 0.56 |
2 | 3.125 | 1.75 | 3.812 | 0.56 |