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  Vertical Bi-Parting Freight Doors  
  Vertical bi-parting doors provide full opening width access to the inside of the car, but require very little additional hoistway space. Bi-parting doors can be applied in most hoistway situations, including short spandrel heights, shallow pit, and low overheads. The counterbalance of the two door panels ensures smooth operation and long motor life for power doors.  
                   
 
Regular Type Doors
have found acceptance world wide. They are used when there is sufficient space available in the hoistway
Pass Type Doors
are used when the floor-to-floor dimension is restricted. Pass doors allow the use of Bi-Parting doors by having the upper panel at the short floor height offset to pass behind the lower panel of the door above. They are also known as Extended Sill Doors.
 
                   
 
 
                   
     
Telescoping Upper Section Doors
are used at the top landing only, where clear overhead is low. The upper half of the door is in two sections, thus reducing the clear overhead required
     
                   
     
     
                   
 
Regular or Pass Type Upper Panel with Compound Lower Panel
(1/3 down, 2/3 up) are used when the pit is less than standard. This door reduces the pit required.
 
                   
 
       
  Slide-Up Freight Doors  
  Slide-Up Freight Doors are clearly the doors of choice in many regions. Projecting sills are always required for slide-up doors.  
                   
 
 
 
Single Section Slide-Up Doors
can be used when the distance between the projecting sill and the underside of the projecting sill above is adequate.
Two Section Slide-Up Doors
can be used when the clearance available is less than required for Single Section Slide-Up Doors
 
                   
  Door Construction  
                   
 

There are three basic types of standard door construction available from COURION -

STEEL PLATE (SP) panels have 12 gauge face sheets welded to reinforced structural steel frames. SP doors are UL and C-UL rated 1-1/2 hour (B).

STEEL PLATE INSULATED (SPI) panels are similar to SP, with the addition of insulation and a shaft-side steel sheet covering. SPI doors are UL and C-UL rated 1-1/2 hour (B) and heat transmission rated at 650 degrees F maximum temperature rise in 30 minutes.

METAL CLAD (M-6) panels have wood cores with galvanized steel coverings that provide greater fire resistance and extra resilience. M-6 doors are recommended for general commercial and heavy duty industrial use - except in wet conditions. M-6 doors are quieter and more resistant to serious damage from power trucks. M-6 doors are UL & C-UL rated 1-1/2 hour (B), and heat transmission rated at 250 degrees F maximum temperature rise in 30 minutes.

 
                   
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