Tripod hub: Aluminium alloy painted black

Tripod arms: 304 Stainless steel tube, polished, Dia.38 mm, walkway 510mm

Mechanism: Control of the tripod operation is achieved by an electro-mechanical head

mechanism located within the top section of the turnstile casework. It is

silent in rotation and comprises the following standard features:

• A positive lock action that prevents two passage at one time
• A self centering mechanism to ensure complete rotation once the mechanism to the home position
• A hydraulic damper to ensure smooth operation and longer mechanism’s life
• Anti backup device to prevent reverse rotation once the mechanism has moved to 60degree from home

Features:

• Auto-drop-arm function: the middle arm can drop down automatically (default) (or free passing) when the power is off.
  * Emergency-escape function: the middle arm will drop down automatically by pressing the emergency button which can be remote-controlled whether the power is on or not.
  * The structure has no motor