Tender text for twist outlet DD-N and return air inlet with perforated cover screen DA
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1.1.1. Tender text 
         – Supply air outlet
... units 
– Twist outlet with high induction effect for diffuse air flow in room at minimum temperature gradients in the occupied zone, 

consisting of:
– twist outlet element with spigot, circular face and twist vanes, optionally fitted with perforated cover screen for visually plane ceiling surface,
duct connection via reducer with lateral L-suspensions or reducer with support flange for placement on false ceiling and with lateral L-suspensions, each type of reducer with central fastener for air outlet, or connection via flat connection box with connection spigot and central fastener for air outlet, including flange bores for suspension, with optional volume flow damper adjustable from room or – for connection type E – adjustable at spigot, box optionally fitted with acoustic lining.

Material:
– Twist outlet element made of polystyrene, body-tinted to RAL 7038, agate grey, or wet painted to RAL 9010, pure white
– Twist outlet element made of aluminium in natural colour or powder-coated to RAL 9010, pure white
– Perforated cover screen made of aluminium, powder-coated to RAL 9010, pure white
– Reducer made of aluminium
– Reducer made of aluminium with support flange
– Connection box made of galvanized sheet metal

Make:	KRANTZ KOMPONENTEN
Type:	DD-N….


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1.1.1. Tender text for return air inlet 
          – Return air inlet with perforated cover screen *1)

... units 
– Return air inlet with perforated cover screen 

consisting of:
– reducer with flange and lateral L-suspensions, including central fastener for perforated cover screen.

Material:
– Reducer made of aluminium with support flange
– Perforated cover screen made of aluminium, powder-coated to RAL 9010, pure white

Make:	KRANTZ KOMPONENTEN
Type:	DA-L ….


Subject to technical alterations.

*1) Applies for return air inlet with perforated cover screen, see DS  1175 on page 12. Where supply air outlets are used as return air inlets, the tender text is the same as for supply air outlets 


YIT Germany GmbH 
KRANTZ KOMPONENTEN 
Uersfeld 24, D-52072 Aachen, Germany 
Phone:  +49 241 441-1, Fax:  +49 241 441-555 
info@krantz.de, www.krantz.de