DESCRIPTION

The series MTM902 has been designed to attack the small and medium size vessels market and it offers the best value for money on the world naval market. Thank to its design, it is the most compact propeller shaft seal in the world. The stationary flange, provided for those who use stern tube flange, is usually made of Stainless steal SS316 and it can be designed with a maximum of 6 radial holes in order to connect: one or more auxiliary cooling lines for the bearing, a pressure gauge, a temperature gauge, a flow gauge or a axial /radial vibration sensor. It is designed for shafts with diameter 70 mm up to 300 mm in a wide range of configurations. Thanks to the Watershield® , a pnuematic barrier system which is fitted inside of it, the MTM902 is the major world shipyards’ favourite product in the yacht and super yacht market. The flange can be customized in the outer diameter, in the number of pins and in the centre-distance for coupling. The whole MTM902 series is provided with the “Preload System” which makes the installation as simple as possible.

Operating limits:

D= 70” to 300”
P1= 2.5 bar
T= - 40 °F to + 750 °F
V= 20 m/s
Axial movement + / - 10.0 mm
Radial Movement + / - 5.0 mm
Angolar Movement up to 2°

Elastomers:

EPDM
NBR

Face materials:

Silicon carbide
Tungsten carbide
Antimony carbon
Resin carbon
SS316
Duplex

The most compact and reliable

Technical Drawing

Components

1. Flange
2. O-ring
3. Stationary ring
4. O-ring
5. Grub screw
6. O-ring
7. O-ring
8. Spring
9. Flexible pipe support
10. Preload screw
11. Preload nut
12. Rotary ring

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