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PNEUMATIC BOLLARD PRB
PRB GENERAL INFORMATION
Optima PRB series pneumatic retractable bollards are designed for high security vehicle entrances, military, industrial, governmental and commercial buildings or streets which are closed to vehicle traffic between certain hours of the day.
Drive unit is pneumatic, but in case of power failure pneumatic bollard can be lowered by air compressor. With the help of PLC controlled electronics, raise/lower function can be achieved by every kind of card readers, biometric readers like fingerprint or hand shape, radio control, on/off key switch etc. Besides, safety accessories like photocells, inductive loop detectors, flashing lights or red/green lights can be integrated to the system.
STANDARD FEATURES IN PRB SERIES
Height when raised | 250-1250 mm |
Environmental durability | 316 stainless steel sleeve, underground parts are hot dip galvanized |
Axle load | 22 tons |
Structure | Heavy duty |
Top plate | Sand blasted aluminum with flashing light around |
Type of steel | S235/RAEX250-Quality 37 minimum (inner core), finishing 316 stainless steel sleeve |
Red/green LED traffic light | Available, 200mm diameter, steel post 2 mt height and electrostatic ally powder coated |
Power | 380 V, 3 Phase, 50-60 Hz |
Power failure | Manual hand pump |
Raise lower time | 3-5 seconds, in emergency 1.5 seconds (optional) |
Desktop keyboard | Raise, lower, emergency stop, key operated, ‘keyboard in use’ light indicator |
Extra I/O at the PLC | Enough I/O’s to connect any card reader, extra override keyboard etc. later on |
Proximity switch | Available to sense the position of the bollard |
Loop detector | This detector is used for safety |
Power back-up system options | Hydraulic accumulator, DC motor and batteries, UPS |
Cabinet | IP 65 with continuous ventilation |
Motor Power | Min 4 KW, 1500 rpm |
Environmental conditions | -15/+65°C, 95% humidity |