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ST Telescopic Mast Range

Slightly heavier duty than the QTM Mast, all ST Masts have keyed tubes which enable rotation when required for directions head loads. ST Masts have a 3" base tube and a 1 ½" top tube - all anodised.

Left: photo shows a self-contained, mobileST. Right: photo shows an ST on a fixed installation

Choose from heights between 4.5 and 9 metres with plain or combined clamp collars. ST Masts are offered as DAF Kits when the mast is required to be free-standing.

Standard ST Mast Range

Mast Model ST 45 ST 55 ST 65 ST 90
With plain collars Cat. No. 28443 28444 28445 28446
Retracted height (m) 1.48 1.74 2.00 2.70
With clamp collars Cat. No. 28447 28448 28449 28450
Retracted height (m) 1.54 1.80 2.06 2.76
Extended height (m) 4.50 5.50 6.50 9.00
Top section diameter mm (inches) 38.1 (1 ½") 38.1 (1 ½") 38.1 (1 ½") 38.1 (1 ½")
Base section diameter mm (inches) 76 (3") 76 (3") 76 (3") 76 (3")
Weight of mast 11 kg 13 kg 15 kg 18kg
No. of sections 4 4 4 4
Maximum headload 15 kg 12 kg 10 kg 7.5 kg
Antenna socket diameter (mm) 24 24 24 24

Note: All figures subject to confirmation at time of order.

Specifications

Mast sections
Heat-treated aluminium alloy.

Collars
Plain collars for minimum retracted height.
Clamp collars for semi-permanent erection.

Guys
5 mm Terylene cord with ball tensioners and quick attachment hooks.

Finishes
Fittings: zinc plated and passivated.
Paint: standard colour white.
Mast sections: anodised natural.

Operating Temperatures
Dry: +55°C to -40°C
Maximum recommended air pressure: 1.5 kg/cm2 (21 lbs/in2g).

Accessories

Image: Fixed Base - Cat. No. 14584Fixed Base - Cat. No. 14584
The base for a non-turning mast.

Image: Rotatable Base - Cat. No. 14585Rotatable Base - Cat. No. 14585
This base makes any mast turnable.

Image: Side Handles - Cat. No. 1977Side Handles - Cat. No. 1977
Used in conjunction with a rotatable base.

Image: Roof Bearing - Cat. No. 1976Roof Bearing - Cat. No. 1976
For a perfectly scaled mast when it is built into a vehicle.

Image: Saddle Clamp - Cat. No. 2433Saddle Clamp - Cat. No. 2433
With this bracket a mounted mast may be rapidly removed.

Image: Upper Mounting Bracket - Cat. No. 14586Upper Mounting Bracket - Cat. No. 14586
For mounting a mast on a vertical surface.

Image: Lower Mounting Bracket - Cat. No. 16686Lower Mounting Bracket - Cat. No. 16686
Used to support the bottom of mast in combination with above.

Image: Canvas Cover - Cat. No. 6411Canvas Cover - Cat. No. 6411
Protects the upper part of closed mast from the weather.

Image: 'J' Type Mounting Ring - Cat. No. 2020'J' Type Mounting Ring - Cat. No. 2020
Provides attachment points when fitted to mast