21m Locking pneumatic mast 150kg payloads

21m Locking Pneumatic Telescopic Mast 150kg payloads
1> Item #: NR-3700-21000-150L
2> Extended Height: 21m
3> Closed Height:3.7m
4> Vertical Payloads: 150kg
5> Number of sections: 9
6> Section dia. 98mm~279mm
7> Sections Thickness:  98*4mm, 118*4mm, 140*5mm, 160*5mm, 180*5mm, 202*6mm, 227*6mm, 252*6mm, 279*7mm
8> Materials: aluminum alloy 6063T5
9> Mast weight: 330kg 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 20220311