High Quality Air Lock System/Vent Door/Mine Door for Deep Mining From China

• Design Pressure Force：~ 20 Kpa
• Design Life：~ 30 Years
• Power Supply：400V , 3 Phase , 50Hz
• Actuator Type：Hydraulic, Pneumatic, Manual, Electrical
• Open & Close Time：Adjustable
• Door Interlock Logic：Included

=== Base Info ===

• Electrical Standard：IEC, IP65
• Open Width：5-8m
• Open Height：5-8m
• After-Sales Service Provided：Engineers Available to Service Machinery Overseas
• Transport Package：in Safety Packing
• Trademark：CANDID
• Origin：China

=== Description ===
No.ItemSpecification1No.ItemDetails1Structural & Mechanical Proven Tested Design 2Vehicle Detection System Infrared Sensor for Vehicles or Persons, Proximity Sensor for Closing or Opening 3Traffic Controls Reflective Striping4Other ControlsBlasting Auto-Closing5Explosion Proof Electrical SystemOptional6Escape HatchIncluded7Emergency OperationManual - Hydraulic Pump8Paint "High Visibility" Safety Yellow - Zinc Primer and Epoxy9Traffic Warning LightsRed/ Amber/ Green Lights10Audible AlertsWarning Horns 

Guarantee and after-service:
1. Guarantee time:one year since machine was at buyer' factory within 12 months against B/L date
2. Within guarantee time, if any components are broken under normal condition, we can change for free.
3. We can send our best technician to buyer's factory for installation, debugging and training.
4. Complete installation instructions, circuit diagram, manual operations and machine layout.
5. Technical support by e-mail.