The propeller shaft seal MTM902 was born to attack the market of medium/large boats and represents the product with the best value for money available on the world market. Thanks to its design, it is the most compact propeller shaft seal with an integrated safety barrier in the world. The stationary flange, provided for those who use flanged stern tube, is for standard in 316 stainless steel and can accommodate up to 6 radial holes (optional) in which it is possible to connect: an additional flushing, a temperature sensor, a vibration sensor (triaxial), a pressure sensor or a dedicated vent line. The size of the flange, the number, the center distance and the size of the set screws can be customized according to need. The stationary ring can be supplied in graphite resin (G) or in antimony graphite (G1) and is provided monolithic or inserted in a 316 stainless steel case. The rotating ring is connected to the propulsion shaft with a series of grub screws (up to diameter 100) or with a clamp (over diameter 100) and is available in 316, Duplex or Super Duplex stainless steel. Thanks to the integrated pneumatic barrier system Watershield®, is the most chosen product by the main world shipyards in the Yachts and super Yachts market. The integrated preload system guarantees an extremely simple installation that does not require any particular specialization.
d = from 70 mm (2,7″) up to 300 mm (11,8″) *
p1 = 2 bar (29 psi)
T = from -30°C(-22°F) up to +150°C (302°F)
vg = 10 m/s (32 m/s)
Axial Movement : up to -7/+12 mm
Radial movement : up to +/- 5 mm
Angular movement : up to 2°
* Available in inches too
Rotary face:
AISI316 (J1)
Duplex (D)
Super Duplex (D1)
Stationary face:
resin/antimony carbon (G/G1/G2/G3)
Silicon carbide (S1)
NBR / Nitrile (N)
EPDM / Ethilene propylene (E)
Yachts
Medium boats
Work boats
Patrol boats
Tugs
Passenger transport
Water-lubricated lines
Oil lubricated lines
Water jets
1. Flange
2. Rotary face
3. Holder stationary insert
4. Inflatable elastomer ring
5. Valve
6. O-ring
7. Screw
8. O-ring
9. O-ring
10. Spring
11. Nut
12. Screw
13. Stationary seal face
14. Clamp
The propeller shaft seal MTM902 was born to attack the market of medium/large boats and represents the product with the best value for money available on the world market. Thanks to its design, it is the most compact propeller shaft seal with an integrated safety barrier in the world. The stationary flange, provided for those who use flanged stern tube, is for standard in 316 stainless steel and can accommodate up to 6 radial holes (optional) in which it is possible to connect: an additional flushing, a temperature sensor, a vibration sensor (triaxial), a pressure sensor or a dedicated vent line. The size of the flange, the number, the center distance and the size of the set screws can be customized according to need. The stationary ring can be supplied in graphite resin (G) or in antimony graphite (G1) and is provided monolithic or inserted in a 316 stainless steel case. The rotating ring is connected to the propulsion shaft with a series of grub screws (up to diameter 100) or with a clamp (over diameter 100) and is available in 316, Duplex or Super Duplex stainless steel. Thanks to the integrated pneumatic barrier system Watershield®, is the most chosen product by the main world shipyards in the Yachts and super Yachts market. The integrated preload system guarantees an extremely simple installation that does not require any particular specialization.
1. Flange
2. Rotary face
3. Holder stationary insert
4. Inflatable elastomer ring
5. Valve
6. O-ring
7. Screw
8. O-ring
9. O-ring
10. Spring
11. Nut
12. Screw
13. Stationary seal face
14. Clamp
Rotary face:
AISI316 (J1)
Duplex (D)
Super Duplex (D1)
Stationary face:
resin/antimony carbon (G/G1/G2/G3)
Silicon carbide (S1)
NBR / Nitrile (N)
EPDM / Ethilene propylene (E)
MICROTEM SRL
Via Valdilocchi 6
19126 La Spezia (Sp)
Phone. +39.0187.984276
Fax. +39.0187.911318
Mail. info@microtem.it
P.IVA 01220300113
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