company     location       products       accessories       finishes       news Contacts General Management Commercial Clients Accounting Quality Billing Design and products Business	NORPA Sectional door models   PRN – sectional residential Sectional Door for residential use characterised for example by: hollow shaft without cotter hole, springs reinforced for 25.000 cycles, residential bracket, cylindrical drums of 400-8, double horizontal guide. This model is manufactured fully prepared for automation but with roof motor.   PRN-model Residential Doors are manufactured at a maximum width of 3.000 mm. light opening.   (To visualize technical information, you should have installed acrobat reader.) . See technical card           PRN exterior cable   Residential sectional Door for domestic constructions. The lintel or master beam (space where the springs are positioned) must be no less than 220 mm. This model is characterised by the use of the exterior cable bracket, so the cables or towlines go outside the vertical guides, requiring a minimum space of 120 mm. to attach these guides.   (To visualize technical information, you should have installed acrobat reader.) . See technical card           PRN cable interior   Residential Sectional Door used for domestic constructions. The lintel or master beam (space where the springs are positioned) must be no less than 250 mm.  The interior cable bracket is used in this model which means the cables or towlines go inside the vertical guides, requiring a minimum space of 80 mm. to attach these guides.   (To visualize technical information, you should have installed acrobat reader.) . See technical card   PRN straight guide /exterior cable   Residential Sectional Door for domestic constructions. An exception is when the lintel or master beam is less than 160 mm (extra small lintel) in which case a double guide is used which is straight.  The exterior cable bracket is used in this model which means the cables or towlines go outside the vertical guides, requiring a minimum space of 120 mm. to attach these guides.   (To visualize technical information, you should have installed acrobat reader.) . See technical card   PRN straight guide /interior cable   Residential Sectional Door for domestic constructions. An exception is when the lintel or master beam is less than 180 mm (extra small lintel) in which case a double guide is used which is straight. The interior cable bracket is used in this model which means the cables or towlines go inside the vertical guides, requiring a minimum space of 80 mm. to attach these guides.   (To visualize technical information, you should have installed acrobat reader.) . See technical card   PBR   Residential Sectional Door for domestic constructions. The lintel or master beam (space where the springs are positioned) must be at least 450 mm. In this model the 3-bearing (industrial, fig. 17) and interior cable bracket, (fig.8) are used which means the cables or towlines go inside the vertical guides (fig. 18).  Unlike model PRN, a “C” shaped section is welded to the horizontal guide, requiring a minimum space of 100 mm. (fig. 19) to attach these guides.   (To visualize technical information, you should have installed acrobat reader.) . See technical card