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Atex Certified Temporary Suspended Access/Man-Riding Platform

Model:  ALTA A 2m Ex / ASAP-4458

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Part N°: 4458-13982958   Add to Quote Request

2 metre air-driven temporary suspension platform certified for use in explosion proof environments to ATEX II 3G EEx c IIB T3

Atex Suspended Access Platform

The air-driven ALTA platform «A» has been designed for temporary applications where operators and their work equipment must be lifted to work places at height.

It is perfectly suited to inspection and maintenance work on internal gas tank walls and other places with risk of explosion. Its design allows a certification for use in areas with risk of explosion according to ATEX area II 3G EEx c IIB T3.

Advantages

  • Quick access to areas with explosive atmosphere
  • Easy maintenance and inspection work at height
  • Safe and ergonomic working position
  • Rugged structure
  • Safe and reliable hoists
  • Very low and easy maintenance
  • Easy to use

Safety devices

To ensure safe operation without danger to personnel and in accordance with the European standard EN 1808, the platform is fitted with the following safety devices:

... integrated in the TIRAK™ hoists

  • Service brake
  • Overspeed brake
  • Overload safety device
  • Manual emergency lowering in case of air pressure loss

... additional safety devices

  • EMERGENCY STOP
  • 2 BLOCSTOP™ BSA fall arrest devices
  • Tilt detection device
  • 2 upper limit switches

Main components

Platform

  • 2 stirrups: hot dip galvanized steel
  • Floor panel: aluminium
  • Guard-rail: aluminium

Lifting mechanism

2 TIRAK™ XA-300P traction hoists with pneumatic motor drive (21), equipped with service brake and overload detection.

Suspension wire ropes

Galvanized steel wire ropes, one lifting wire rope (23) and one safety wire rope (24) per suspension point (certified by TRACTEL®).

Fall arrest device

The BLOCSTOP™ BSA fall-arrest device (22) engages on the safety wire rope (24) in the event of a failure on the lifting wire rope (manufactured by TRACTEL®). The BLOCSTOP™ also ensures the detection of a tilting platform.

Air preparation unit

The air preparation unit consists of a filter, a lubricator, a pressure regulator and a manometer. It protects the pneumatic motors and ensures reliable operation and a long life span.

Suspension points (option)

Traversing is ensured by two air-driven monorail trolleys; they can be adapted to I- or H-beam types, beam width 90 to 305 mm.

Controls

The lifting movements are controlled with two control levers (43 and 44) mounted on the guard-rail. Lateral movement of the traversing version is controlled via pendant control boxes.

Variants

Code Description
85828 ALTA <A> platform without traversing
85838 Two air-driven trolleys suitable for I- or H- beam types, beam with 90 to 305mm

Technical Specifications

  • Overall dimensions (l x w x h): 2,350 x 990 x 2,100 mm
  • Internal dimensions of the platform: 2,000 x 600 mm
  • Rated capacity: 240 kg
  • Lifting speed (m/min): 9 m/min
  • Traversing speed: 1-10 m/min (85838 only)
  • Min. air pressure: 6 bars
  • Air consumption: 3.2 m3/min
  • Load per trolley (nominal): 350 daN

Components

Trolleys (optional - 85838)

Trolley Components

Fig. 1 - Air drive trolleys (option)

1. Air-driven trolley
1.1. Flexible air pressure hose platform - trolley (L = 2 m, 3/4")
2. Pendant control box traversing trolley 1
3. Pendant control box traversing trolley 2
4. Gear for traversing rollers
5. Traversing roller
6. Connecting rod
8. Ground wire cable trolley to platform with clamp (1x 25 mm²)
9. Ground wire cable trolley to trolley without clamp (1x 25 mm²)
11. Tilting suspension stirrup
13. Rail
16. End stop buffer plate

Platform

Platform Components
Fig. 2. - ALTA «A» platform equipped with two air-driven TIRAK™ XA-300P hoists
7. Ground wire cable platform to ground with clamp (60 m, 1x 25 mm²)
16. End stop buff er plate
17. Stirrup
19. Wire rope guide
20. Guard-rail
21. Air-driven TIRAK™ XA-300P hoist
21.1. TIRAK™ control lever LIFTING / LOWERING
21.2. Brake lever / MANUAL LOWERING
22. BLOCSTOP™ BSA fall arrest device
23*. Lifting wire rope
24*. Safety wire rope
27. Upper limit switch
31. Castor wheel
32. Load limiter integrated in TIRAK™ hoist
33. Facade protection roller
34. Air preparation unit
113. Ballast weight for safety wire rope
* Spare part

Pneumatic Equipment

Pneumatic Equipment

Fig. 3. - Pneumatic Equipment

1.1 Flexible air pressure hose platform − trolley (L = 2 m, 3/4")
1.2 Flexible air pressure hose TIRAK™ hoist
1.3 Air pressure connector
2 Pendant control box traversing trolley 1
3 Pendant control box traversing trolley 2
21 Air-driven TIRAK™ XA-300P hoist
21.1 TIRAK™ control lever LIFTING / LOWERING
21.2 Brake lever / MANUAL LOWERING
27 Upper limit switch
34 Air preparation unit
41 Main supply valve / EMERGENCY STOP
43 Control lever LIFTING / LOWERING
44 Control lever LIFTING / LOWERING
201* Flexible air pressure main supply hose (1 1/4")
202 Cable-securing sleeve
* Spare part: set of fl exible air pressure hoses

Pneumatic Diagram

Pneumatic Diagram

Fig. 4. - Pneumatic Diagram

1.1 Flexible air pressure hose platform - trolley (L = 2 m, 3/4")
1.2 Flexible air pressure hose TIRAK™ hoist
1.4 Air motor for trolley
2 Pendant control box traversing trolley 1
3 Pendant control box traversing trolley 2
21.3* Air motor for TIRAK™ hoist
27 Upper limit switch
43 Control lever LIFTING / LOWERING
44 Control lever LIFTING / LOWERING

Controls

Central air preparation unit
Controls
Fig. 5. - Pneumatic Equipment
1.3 Air pressure connector

34* Air preparation unit
36 Manometer
41 Main supply valve / EMERGENCY STOP
43 Control lever LIFTING / LOWERING hoist 1
44 Control lever LIFTING / LOWERING hoist 2

Traversing
Traversing
Fig. 6. - Trolley Controls

42 EMERGENCY STOP - traversing
45** Traverse trolley left
46** Traverse trolley right
* Spare part
** Double-speed button


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