Return Air Grilles - RASB |
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| TYPE RASB: | Return Air or Discharge Grille with ribbed or un-ribbed blades manufactured of extruded type 50S anodising grade aluminium with fixed horizontal blades. | ||
| TYPE RASB: | Grille can be used internally or externally and is particularly well suited for console air conditioning units. | ||
| Optical Accessories | OBD |
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Opposed Blade Damper |
| WM |
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Wire Mesh | |
| PC | = | Punched Counter Sunk Holes | |
| FS |
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Rear Fixing Straps | |
| Dimensions | D | = | Over Neck Size |
| Frame Options | 30mm | Standard | |
| 20mm | |||
| 50mm | |||
| Finish Options | NA |
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Natural Anodised |
| EPC |
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Epoxy Powder Coating | |
| Blade Spacings | 13mm | Standard | |
| 19mm | |||
| Ordering Procedure: Example | |||||||
| REF | QTY | SIZE (WxH) | TYPE | ACCESS | FRAME | FINISH | SPECIAL INSTRUCTIONS |
| 1 | 15 | 755 x405 | RASB | - | 30 | NA | OVER NECK (ON) |
Note:
(1) Dimensions given are for over neck size
(2) If code "OS" is entered under SPECIAL INSTRUCTIONS, then dimensions given are over flange.
(3) If 13mm, 19m Blade Spacing required, enter under SPECIAL INSTRUCTIONS
EXAMPLE |
| 0,85m3/s AT 4M/S |
| USE 700mm x 350mm |
| PRESSURE DROP IS 10N/m2 |
| GRILLE + OBD PRESSURE DROP |
| IS 6N/m2 BY PIVOTING |
| ON LINE A-A ALTERNATIVE |
| DIMENSIONS ARE OBTAINED. |
