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21m Locking Pneumatic Telescopic Mast 30kg payloads
1> Item #: NR-3.4-21-30L-10S-51-229
2> Extended Height: 21m
3> Closed Height:3.4m
4> Vertical Payloads: 30kg
5> Number of sections: 10
6> Section dia. 51mm~229mm
7> Sections Thickness: 51*3mm, 66*3mm, 82*4mm, 98*4mm, 118*4mm, 140*5mm, 160*5mm, 180*5mm, 202*6mm, 229*7mm
8> Materials: aluminum alloy 6063T5
9> Mast weight: 208kg approx.
10> Default accessories: 1x top flange, 1x bottom flange, 1x air hose pipe, 1x safety pressure relief valve
11> Working air pressure: 0.2Mpa/29PSI
12> Working temperature: -25-65 Celsius  degrees
Default accessories:
Ground mounting tripods
Side mounting brackets
Electric air compressor (AC220V)
Guying rope kits (4x4) for 120kmh wind speed.
update on 20230731
| 21m Lockable Pneumatic Telescopic Mast-30kg Payload | ||||||
| NR-3.4-21-30L-10S-51-229 | ||||||
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| Extended Height | : | 21 | m | 68.88 | ft | |
| Retracted Height | : | 3.4 | m | 11.2 | ft | |
| Vertical Payload | : | 30 | kg | 66 | lb | |
| Working air pressure | : | 0.2 | Mpa | 29 | PSI | |
| Collar Type | : | Locking (Automatic Extention, Manual Retraction) | ||||
| Inside Electric Wires | : | |||||
| Number of sections | : | 10 | ||||
| Top section diameter | : | 51 | mm | 2.0 | in | |
| Basement section diameter | : | 229 | mm | 9.0 | in | |
| Mast Weight | : | 208 | kg | 458 | lb | |
| Working temperature | : | -25~65 Celsius Degree | ||||
| Materials | : | Aluminum alloy 6063T5 | ||||
| Default accessories | : | top flange | ||||
| bottom flange | ||||||
| air hose pipe | ||||||
| air control manual | ||||||
| Retraction operation tool | ||||||
| Optional Accessories | : | Electric air compressor | DC12V, DC24V, AC220V/50hz | |||
| Guying Rope Kits | 4x4 (4 layers, 4 ropes each layer, 4 mounting spikes, mounting radius 21m) | |||||
| Side Mounting Bracket | Aluminum alloy 6061 Materials | |||||
| Ground mounting Tripod | Stainless Materials | |||||
| Rotation Basement | Manual Rotation | |||||
| Remote control kit | 12VDC | |||||
| data update on 20230731 | ||||||
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