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Description |
First produced in
1938, the SPEICH Clear view screen is a high technology product,
carefully engineered in all it's details and designed according to ISO 3904. Many decades of field
experience and constant technical improvements have made the SPEICH Clear
view screen extremely reliable and durable even under the severe
environment conditions.
Tens of thousand units have been supplied all over the world and are
installed on alI kind of merchant and military ships, yachts and
tugboats.
Schematically, SPEICH Clear view screen keeps a glass disk free from
rain, snow or sea-water by fast rotation.
The motor is placed in the center and is fastened to the fixed glass
so as to obtain the largest possible field of vision.
This particular assembly also makes the unit water and airtight,
thus making it suitable for pressurised and air-conditioning bridges.
The rotating glass is hardened and opticaly rectified to avoid any
optical distortion. The electric motor is available for many
tensions; the rotor is tropicalized and turns on silent
ball-bearings.
All metal parts are made of brass; a specially designed manifold between
the ring surrounding the rotating glass and the fixed frame keeps
water from entering the space between the fixed and rotating glass. This
space can optionally be heated by electric resistance to avoid
condensation and ice formation, which
could prevent proper operation counter-ring. |
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Clear
view screen type EX |
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This
unit is designed to be installed in a circular hole cut in a glass,
wood, acrylic or metal surface
(1).
The
hole diameter is indicated in the table below.
The unit is assembled by flange and counterring
(5),
made
airtight by neoprene gasket.
The fixed hardened glass disk supports the motor (4) which rotates
the optically rectified glass disk. On request the unit is supplied
with a heating element (6) to prevent condensation and formation of
ice.
Metal parts are turned, and can be chrome plated on request. |
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Dimensions and weight type EX |
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Type |
A |
B |
C |
Weight |
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EX38S |
380 mm |
436 mm |
421 mm |
15.5 Kg |
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EX1S |
350 mm |
406 mm |
391 mm |
14.5 Kg |
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EX2S |
300 mm |
356 mm |
341 mm |
12.5 Kg |
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 With heating
element |
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Type |
12V |
24V |
110V |
220V |
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EX38S.H |
75 W |
150 W |
150 W |
150 W |
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EX1S.H |
75 W |
150 W |
150 W |
150 W |
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EX2S.H |
50 W |
100 W |
100 W |
100 W |
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Technical features |
| Available rated voltage |
DC:
12V - 24V - 32V - 110V - 220V
AC: 110V - 220V |
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Rated motor power |
40 W |
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Rotating speed |
1700 rpm |
| Safety distance from magnetic compass |
0.6 m BSH certified |
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Thickness of rotating and fixed glass |
8 mm |
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Thickness of the bearing surface in which the unit will be installed |
Type EX: 8, 10, 12, 15,
20, 25 mm |
| Weight |
12.5 - 15.5 Kg |
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