Project Description

Crawford VL3010 vertical lifting fabric door

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Description


The Crawford VL3010 vertical lifting fabric door is a system of doors for industry that has been specifically designed to cope with specifications for durability, tightness, reliability and minimum maintenance requirements of Heavy Industry, Steel Mills, Waste & Recycling and any application in tough environments and high winds.

For extremely severe environments Crawford VL3010 is available in an extra corrosion-proof version.

To cope with openings exposed to intense traffic, Crawford VL3010 is available in a high speed version.

Crawford VL3010 can easily be mounted internally or externally on the building. To simplify adjustment to the building there is a self-supporting design available. Crawford VL3010 is available for delivery with optional side jambs if the existing mounting surface is not suitable for the side guides. The header box may be protected with various cladding options.


Technical specifications

Performance

Opening speed: Normal opening speed 0.2 – 0.3 m/s
Size range: Max Clearance Width 8m x Clearance height 12m
Estimated Wind Load: 0.7-1.6 kPa depending on size (class 3-5, EN 12424), can however be designed for higher wind loads on request
Electrical system
Power Supply: 3/phase 400V 50Hz*other alternatives available on request
Control Voltage: 24V AC
Motor Ratings: 0.45 – 3.7 kW
Standard fabric data
Unchanged Pliability: -35°C to +70°C
Tensile Strength: Warp 2700N/5 cm acc. DIN 53354, EN ISO 1421 – Weft : 2500N/5 cm acc. DIN 53354, EN ISO 1421
Resistance to Light: 6 – 8 (on a scale 0-8) acc. BS 1006 – ≥ 7 acc. ISO 105-B02
Resistance to UV-rays: UV-stabilized
Flame resistance: Yes, acc. SIS 650082, ASTM E84-94 class A, DIN 4102 B1
Surface treatment
Steel Parts: Alkaline cleaned or sandblasted
Sheet Profiles: Hot-galvanized steel sheet with primer and finish paint
Bottom Profile: Sandblasted and primed
Side Jambs (frame): Sandblasted and primed