Specifications:

Cylinder:   304 stainless steel

Cylinder height:     500mm

Cylinder diameter:    220mm

Raising/lowering speed:    3-5secs

Manual release device as standard:    yes

Security pressure switch as standard:    yes

connection cable for control unit:    10m

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Feature

The pneumatic bollard has been designed to control access to a site with a high level of
security ,guaranteeing pedestrian access but blocking the area to road traffic.
Its main features are:
* A highly rugged design for long life.
* Manufactured from corrosion-treated 304 stainless steel.
* Very high impact strength.
* Height above ground: 500mm.
* Automatic pneumatic control.
* Little maintenance (yearly cleaning).
* With different colour high light LED and glistening film(optional).
* One pneumatic control unit can control 1~3 bollards(optional).
* The rising or lowering time is about 3~4 seconds. All parts are protected against corrosion by aluminum oxide and powder coated. A rubber seal is fitted between the retractable bollard and the frame.

 If you need more information,pls don't hesitate to cantact me.