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 Whether Resistance Louver  A to Z Products
 Introduction
 
A louver is a ventilation product that allows air to pass through it while keeping out unwanted elements such as water, dirt, and debris. A number of fixed or operable blades mounted in a frame can provide this functionality. The basic considerations for selecting louvers are free area, water penetration and resistance to airflow (pressure loss). Once these concepts are understood, they can be used to properly apply a louver.

COSMOS make whether resistance louver also called as drainable louver. Model WRL Is high performance drainable blade type, provide excellent weather protection with superior air performance. Because of its pleasing aesthetics, it compliment to any structure’s exterior styling.


Model WRL is suitable for use in exhaust as well as intake application also. Model WRL-GI is galvanized steel construction. Galvanized steel construction is economical, yet durable and the design provides excellent air performance at higher velocities as well as maximum protection against the elements. Model WRL-AL is extruded aluminum constructed drainable blade louver.

Drainable louvers are characterized by gutters incorporated at the front edge of each blade to prevent water droplets from cascading from blade-to-blade and becoming entrained in the intake air flow. Vertical gutters located in the jamb frames carry the water to the sill frame where it exits from the louver assembly between the sill frame and bottom blade. Drainable louvers generally outperform conventional architectural blade louvers and provide enhanced resistance to water penetration.

COSMOS make WRL drainable blade louver is available with channel type frame to suit most architectural and mechanical installation requirements.
 
 Galvanized Construction
 
Frame: 100 mm deep, 18gauge (1.2mm) galvanized steel construction.
Blade: Drainable style 20 gauge (1.0mm) galvanized steel construction.
Blade Angle: Fixed at 38 degrees.
Blade Spacing: 89 mm on centers approximately.
Screen: 20gauge (1.0mm) galvanized constructed bird screen.
Minimum Size: 300 mm wide X 300 mm high.
Maximum Size: 2000 mm wide X 2000 mm high.
 
 Aluminum Construction
 
Frame: 100 mm deep, Extruded aluminum construction.
Blade: Extruded aluminum construction.
Blade Angle: Fixed at 38 degrees.
Blade Spacing: 100 mm on centers approximately.
Screen: Aluminum constructed bird screen.
Minimum Size: 300 mm wide X 300 mm high.
Maximum Size: 2000 mm wide X 2000 mm high.
 
 
 Features
 
19" rack mountable or table top version Front and rear screw less
Single depth extrusions with decorative grooves Optimised usable height for 1u and 2u subracks
Softline with minmum screws    
 
 Construction
 
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
Card racks with GFN guides for PCBS - EURO / VME / CPCI
Legs - plastic
 
 Compliance
 
IEC 297 and DIN41494
IEEE 1101.10 / 11
IEC 297 and DIN41494
IEEE 1101.10 / 11
 Products
 
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
Card racks with GFN guides for PCBS - EURO / VME / CPCI
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
Card racks with GFN guides for PCBS - EURO / VME / CPCI
Legs - plastic
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
Card racks with GFN guides for PCBS - EURO / VME / CPCI
Legs - plastic
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
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