Project Description

Crawford VL3016 vertical
lifting fabric door

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Description


The Crawford VL3016 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.

Crawford VL3016 is available in an extra corrosion-proof model for extremely corrosive environments.

The door may be mounted on the inside or outside of a building, or in the actual door opening.

Crawford VL3016 is available for delivery with optional side jambs if the existing mounting surface is  not suitable for the side guides. The machine box and motor can be enclosed in various ways.

The main advantages of the unique Crawford VL3016 are:

  • Robust design
  • Operational reliability
  • Low maintenance cost
  • Well sealed
  • Flexible design
  • Suitable for tough industrial environment
  • Top-class safety and quality
  • Automatic door control

 

Technical specifications

Performance

Opening speed: Normal opening speed 0.2 – 0.3 m/s
Size range: Max. Clearance Width 14m x clearance height 16m.
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 208, 230, 460, 575 Volt; 60 hertz.
Control Voltage: 110 VAC.
Motor Ratings: 2 to 5 Hp. per motor. Doors are supplied in either single or dual motor versions. The dual motor system is supplied for doors with CH > 30 feet.
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. Powder epoxy finish paint.
Sheet Profiles: Hot-galvanized steel sheet with primer and finish paint.
Bottom Profile: Sandblasted and primed.
Side Jambs (frame): Sandblasted and primed.
Other Parts: Aluminum, High Density Plastic, Stainless Steel, Zinc / Cadmium plated.