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Haugsetvegen 72, N-6230 SYKKYLVEN, Norway

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Weather louvers

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SR - F
Rectangular, Single Bank Weather Louver, horizontally bladed, for mounting on Bulkhead.
Either inside or outside mounting.
Available in different sizes.

Application: 

The SR-F is primarly used as exhaust louver where weather tight closing is not needed, but it can also be used for supply where some ingress of water is acceptable. 

Models:

  • SR-F with flange for bolting to bulkhead
  • SR-G without flange for welding to bulkhead

Execution:

The frame and blades are made in mild steel, hot dip galvanized.

Optional execution

  • Sea water resistant aluminium 
  • Stainless steel 

Options

  • With wire mesh (12x12x1 asis316) in front or back (inside) of louver
  • With sand filter in front
  • With filter
  • Painted (after galvanization)

Performance

Recommended max air speed for supply: 5,5 m/s

Recommended max air speed for exhaust: 6-6,5 m/s

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SRL - F
Rectangular, Single Bank Weather Louver for mounting on Bulkhead.
Either inside or outside mounting.
The louver is equipped with a hinged hatch with neoprene gasket and lock bolts with eye nuts.
Top-, bottom- or side hinged.
Available in different sizes.

The SRL-F is a rectangular, single stage weather louver with a weather tigh hatch. The louver is made in customer specified sizes. The louver is to prevent ingress of rain in the ventilation system. 

Applications

The louver is designed for use on marine vessels, or for rig applications. The SRL is used primarily for exhaust, but can be used for supply where some ingress of water is acceptable. 

Models

SRL-F: With flnage for bolting to bulkhead.

SRL-G: Without flange for welding to bulkhead.

Design

The louver is avalible in all sizes. Top-, bottom. or side (left- or right hinged)

The hinges are equipped with greasing nipples for lubrication. 

The max reommended size of the louver is approx 3-3,5 m2, for bigger louvers the hatch should be divided in two pices

Execution

The frame, profiles and hatch are executed in mild steel, hot dip galvanized. All bolts and nuts are in stainless steel execution. The louver achives a weather tight closing by a neopren gasket. 

Optional exectuion

  • Sea water resistant aluminium
  • Frame and hatch in stainless steel
  • Frame and profiles in steel, HDG and hatch in aluminium. 

Options

  • With wire mesh (12x12x1 asis316) 
  • With sand filter in front
  • With filter
  • With lockiing arm for keeping the louver in open position at a specific angle (e.g. 30deg) 
  • With locking bolt for locking hatch to bulkhead (must be welded to bulkhead) (for 90 or 180deg opening) 
  • Painted (after galcanization)

Special designs: 

  • Folded hatch (e.g where space for hatch is limited) 
  • Divided hatch (eg. one louver with one bottom- and one top hinged hatch) 
  • Louver with hatch for 270deg opening. 
  • Witout lamellas/profiles (only frame and hatch)

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SSVent
Rectangular, Parallel Blade Damper for mounting on Bulkhead.
Can be used for air volume control or as a shut-off damper.
Damper blades and shafts in AISI 316L.
The SSVent -FS model is also equipped with a fixed, single louver in front.
Manual or automatic operated, pneumatic or electric controlled.
Available in different sizes.


DESIGN
Long experience has contributed to a simple and functional construction.
Also tailor made solutions to meet customer's specification.

EXECUTION
Normally manufactured in Grade A ship steel, Hot dip galvanized. All movable parts like damper blades, bolts, shafts, hinges, regulating arm are in stainless steel execution.
Other materials are seawater resistant alu-minium or stainless steel.

Options:

  • With wire mesh (12x12x1 asis316) in front or back of louver
  • With sand filter in front
  • With filter
  • Painted (after galvanization) 
  • Electric or pneumatic closing damper
  • With regulating arm from operated from inside, or extended arm for outside operation

Special designs

  • With flange on specified placement of frame (louver partly penetrating bulkhead)
  • With complete louver on outside of bulkhead

Performance

Supply: max recommended face velocity 5,5 m/s

Exhaust:max recommended face velocity 6-6,5 m/s 

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