06/03 - 2 Construction subject to change. Version: 29.10.2018 No return possible!

Louvre airflow grille LL Description The louvre airflow grille LL with fixed punched slots is used as simple overflow grille. Free open cross-section, relative to clearance, = 60 % Construction Overflow grille - Sheet steel painted to RAL 9010 (white) - Galvanised sheet steel Accessories Mounting frame (-ER1) - Electrolytically galvanised sheet steel Mounting frame with wall anchors (-ER2) - Electrolytically galvanised sheet steel with wall anchors Fastening Screw mounting (-SM) Number of reinforcing angles from height 550 onwards: - Standard, screws must be provided on site B < 500 - none B...

Number of wall anchors H > 800 ^ 1 wall anchor per side H < 750 ^ 2 wall anchors per side H > 750 ^ 3 wall anchors per side Installation Fitting position with mounting frame (-ER2) Width > 300 1 = from H > 800 2 = from B > 800 3 = Indentation for slotted shallow-raised countersunk-head tapping screw DIN ISO 7051 pitch 3.9 (on-site) Construction subject to change.

Louvre airflow grille LL Technical data Pressure loss and noise level pressure operated Correction factor Intake velocity, blower stream velocity, outflow velocity, relative to Astirn Front face area, relative to B-35 and H-35 Density Pressure loss A-weighted sound power level (LWA = LWA1 + KF) Correction factor Height Width 1 = intake-operated 2 = pressure operated Construction subject to change.

All fields must be filled when ordering Louvre airflow grille LL | grille width 450 mm | grille height 200 mm | sheet steel | painted to RAL9010 | with screw mounting | without mounting frame Order details 01 - Type LL = Louvre grille type LL 02 - Width 0200 = Grille 0250 = Grille 0300 = Grille 0350 = Grille 0400 = Grille 0450 = Grille 0500 = Grille 0550 = Grille 0600 = Grille 0650 = Grille 0700 = Grille 0750 = Grille 0800 = Grille 0900 = Grille 1000 = Grille 03 - Height 0200 = Grille 0250 = Grille 0300 = Grille 0350 = Grille 0400 = Grille 0450 = Grille 0500 = Grille width 200 mm width 250 mm...

Louvre airflow grille LL Specification texts Louvre airflow grille with fixed punched slots made of galvanised sheet steel or sheet steel painted to RAL 9010 (white). Product: SCHAKO type LL Accessories: - Mounting frame (-ER1), made of electrolytically galvanised sheet steel - Mounting frame (-ER2), made of electrolytically galvanised sheet steel with wall anchors Construction subject to change.