Mechanical seal john crane
Type 3710
Compact Cartridge O-ring Split Seal – Type 3710
The Type 3710 mechanical seal uses our advanced split seal technology to meet today’s environmental guidelines as well as future regulations. Its unique, easy-to-install design readily adapts to horizontal and vertical equipment.
With more than 30 years of split seal experience, from sophisticated marine propeller shaft seals to thousands of industrial pump and mixer applications, John Crane has established itself as the worldwide expert in split seal technology.
Product Description Type 3710
The Type 3710 cartridge split seal is the latest innovation in the evolution of split seal designs.
- The Type 3710 fully split seal features a unique reliable design, which is the result of years of split seal experience in the marine and industrial markets
- Type 3710 adapts to horizontal and vertical equipment
Table Parameters Type 3710
| Temperature Limits | 250°F/121°C
|
|---|---|
| Pressure Limits | Vacuum to 200 psi(g)/13.7 bar(g)
|
| Speed Limits | Up to 62mm/2.500": 3600 rpm
Between 62mm/2.500" and 135mm/5.250": 1800 rpm
Over 135mm/5.250": 900 rpm |
Features Type 3710
- California Residents: PROPOSITION 65 WARNING
- Hydraulically pressure-balanced design ensures seal integrity during system upsets.
- Unitized finger springs are non-clogging and provide positive drive to the stationary seal face.
- The Type 3710 eliminates the need to dismantle any piece of equipment, large or small.
- Its fully split design can be installed in less than 30 minutes, either on the packing sleeve or directly on the shaft.
Recommended Applications Type 3710
- Process pumps
- Other rotating equipment