SGS - Strip

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TYPE SGS (18 DEGREE DEFLECTION):	Strip Grille manufactured of extruded Type 50S anodising grade aluminium with fixed blades. These grilles can be used either vertically or horizontally. They can be used as Supply or Return Air Grilles and also for fan coil and induction units, and can incorporate access flaps.

Accessories	OBD	= Opposed Blade Damper
	PC	= Punched counter sunk holes
	CF	= Concealed Fixing
Type SGS	13mm
Frame Options	30mm	Standard
	20mm
	50mm
Finish Options	NA	= Natural Anodised
	EPC	= Epoxy Powder Coating
Blade Spacings	13mm	Standard
	19mm
	21mm
	26mm

Note:

(1) Dimensions given are for opening size into which grille will fit (i.e. Normal Duct Size)

(2) If code "OS" is entered under SPECIAL INSTRUCTIONS, then dimensions given are over flange.

(3) If 19, 21, 26mm Blade Spacing required, enter under SPECIAL INSTRUCTIONS.

Selection data if for 13mm blade spacing
Selection data is based on m3/s/metre width.
Jet velocity is actual velocity between blades. Average face velocity (25mm from grille) - 65% of jet velocity. Average face velocity (25mm from grille) - 65% of jet velocity
Type SGS usually only used for extract.

EXAMPLES (Selection based on 1 meter lengths of grille)

Type SGS - For 0,3 m3/s/metre and 6 metre throw use 150mm wide grille (duct width)