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Dumb Waiter: Model ISO-A
Type: Bi-parting doors on serving height
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The ISO-A dumb waiter is ideally suited for restaurants, pubs and offices, where it is more convenient for items to be loaded at serving height.

Features:
Lift Car - Made of folded stainless steel or galvanised steel sheets, centred suspension, guided on both sides with adjustable guide shoes. All units serving on counter height are supplied with a removable shelf. Increments of 25mm are available.

Steel Structure - Galvanised steel structure made of cold rolled special profiles, premounted in 2m sections, including trunking.

Landing Doors - Approved to DIN 18092 and 18090 available as bi-parting, single or double hinged. Approved door locks. Bi-parting doors suspended with two flexible steel ropes, guided by aluminium sheaves in the lift car. All doors with pre-installed frame surrounds for easy installation.

Machine Room Door - Single hinged door, double hinged for widths over 800mm, galvanised finish with lock, includes frame surrounds.

Counterweight - Steel frame with 50 x 50mm steel inserts. Adjustable guide shoes with polymide inserts.

Drive Unit - Up to 100kg capacity with sheave drive for two or three ropes. Units with 200 and 300kg capacity with chain drive for two chains, high quality reduction gear with motor, magnetic disc brake and handwheel. Insulation class IP 54.

Control
24 volt system on all push button units 
Prewired and plug-in-system 
Call and send on each landing station 
Despatching delay device 
Arrival buzzer and call signal 
Position indicator on each landing station 
Overload protection installed on control panel 

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Performance and Dimensions:

Model: ISO-A 50 - 100kg capacity 
Lift Speed
0.30 - 0.40m/s
 
Lift Car Width
400 - 1000mm in 50mm increments
 
Lift Car Depth
400 - 1000mm in 50mm increments
 
Lift Car Height
600 - 1200mm in 100mm increments
 
Shaft Width
min. Lift car width + 300 - 350mm
 
Shaft Depth
min. Lift car depth + 150 - 300mm
 
Headroom
min. door height + 1260 - 1500mm
 
Service Height
min. 700mm
 
Model: ISO-A 200 - 300kg capacity 
Lift Speed
0.15 - 0.25m/s
 
Lift Car Width
400 - 1000mm in 50mm increments
 
Lift Car Depth
400 - 1000mm in 50mm increments
 
Lift Car Height
600 - 1200mm in 100mm increments
 
Shaft Width
min. Lift car width + 300 - 350mm
 
Shaft Depth
min. Lift car depth + 150 - 300mm
 
Headroom
min. door height + 1260 - 1500mm
 
Service Height
min. 700mm