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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...

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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.

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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.

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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...

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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.

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