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PNEUMATIC ROAD BLOCKER | PRR
PRR GENERAL INFORMATION
Being a very reliable alternative to the hydraulic road blocker, Optima PRR pneumatic road blockers are an efficient way of solution if there is a threat of vehicle attack in addition to the control of vehicle access in high security applications. As the construction is completely the same with the hydraulic rising road blockers, the strength of the construction is the same. The number of pistons used per road blocker increases due to the low pressure achieved in pneumatic systems.
Drive unit is pneumatic, but in case of power failure road blocker 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, inductive loop detectors, flashing lights or red/green lights can be integrated to the system.
STANDARD FEATURES IN PRR SERIES
Height when raised | 250-1250 mm |
Width (approximately) | 1200 mm |
Weight (approximately) | 1100-1600 kg |
Environmental durability | Red oxide painted, finishing with painted yellow & red stripes (‘STOP’ warning in the front) |
Axle load | 22 tons |
Structure | Heavy duty |
Top plate | Plain, painted to yellow with black stripes |
Type of steel | S235/RAEX250-Quality 37 minimum |
Red/green LED traffic light | Available, 200mm diameter, steel post 2 mt height and electrostatic ally powder coated |
Hinges | Heavy duty hardened and or stainless steel AISI 303 Quality for hydraulic cylinder connections and moving part of the blocker |
Bearing | Bronze |
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 blocker |
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 |