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Clear view screens 


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.
 
Clear view screen type EX

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.
 
Dimensions and weight type EX
 
Type A B C Weight
EX38S 380 mm 436 mm 421 mm 15.5 Kg
EX1S 350 mm 406 mm 391 mm 14.5 Kg
EX2S 300 mm 356 mm 341 mm 12.5 Kg

 
 
With heating element
 
Type 12V 24V 110V 220V
EX38S.H 75 W 150 W 150 W 150 W
EX1S.H 75 W 150 W 150 W 150 W
EX2S.H 50 W 100 W 100 W 100 W
 
 
Technical features
Available rated voltage DC: 12V - 24V - 32V - 110V - 220V
AC: 110V - 220V
Rated motor power 40 W
Rotating speed 1700 rpm
Safety distance from magnetic compass 0.6 m BSH certified
Thickness of rotating and fixed glass 8 mm
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
 
Control unit type CCCVS
Standard and custom made units

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copyright 2003 Speich s.r.l.