PZZNS-355x355
PZZNS-355x355 #337941, Steel external louvre with wide blades
PZZNS-355x355 #337941, Steel external louvre with wide blades  product image

PZZNS Louvres

Steel external louvre with wide blades

  • Proven design for effective rain water separation

  • Robustness and mechanical stability

  • Vast colour and surface finish range available

PZZNS-355x355#337941

Proven design

The PZZNS steel external louver with wide blades has a proven design that protects the outside supply and exhaust wall openings against rain water penetration. 


Vast colour and surface finish range

The PZZNS is provided without any additional surface finish as standard and can be painted to any RAL code specified by the customer. 


Robust

The product is manufactured from galvanised steel sheet to provide robust, durable protection and mechanical stability. 


PZZNS is an external louver. The product is intended to protect the outside supply and exhaust wall openings against rain water protection. The proven design blocks water from entering the duct with air face velocity up to 3 m/s. The product also blocks the view into the inside of the duct. The product is ideal for building facade ventilation transitions for air supply. PZZNS is manufactured from galvanised steel sheet. The product consists of an outer frame, and inner frame with a build in ledge, as well as blades with 90 mm spacing.  

The PZZNS can be equipped with an “S” welded mesh screen and “UR” mounting frame. The welded mesh screen is designed to prevent larger impurities, such as leaves, from penetrating. The product is provided without any additional surface finish as standard and can be powder painted to any RAL code specified by the customer. PZZNS is equipped for easy installation into the ceiling or a wall. 


Tech specs

Technical Data

Article name
PZZNS-355x355
Article number
#337941
Nominal data
Air flow(s)445; 593; 725m³/h
Duct connection typeRectangular
Pressure drop9; 17; 25Pa
Sound power level24; 29; 34dB(A)
Sound pressure level (10 m² room absorbtion area)20; 25; 30dB(A)
Dimensions and weights
Weight4.63kg

Performance

Dimensions

Specification

Square weather protection grille made galvanized steel with wide slat spacing. To protect the external exhaust or outside air opening from rainwater ingress. At an air velocity of up to 3 m/s, water is prevented from entering the duct.Slat spacing 90 mmStandard sizes 355 x 355 mm to 2000 x 2000 mm. Other sizes available on request.Optionally with bird protection screen and/or mounting frame.Galvanized steel as standard, powder-coated in signal white (RAL9003), other RAL Classic colors available on request. - Width: 355- Height: 355- Mounting frame: Without mounting frame- Mesh screen: Without welded mesh screen- Airflow direction: Air Exhaust

Documentation