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C1 – C3 Cylindrical Portals

  • LPS

Meesons Cylindrical Portal range has a circular design for secured areas. It balances visibility and aesthetics while maintaining advanced access control systems to deter unauthorised entry. Available in 3 dimensions.

The Meesons Cylindrical Portal range offers a unique circular design that provides a more open and inviting feel to secured areas. This portal style is ideal for environments that demand robust protection without compromising visibility or aesthetics. Despite their open design, the Meesons Cylindrical Portals do not compromise on security. Their robust construction and advanced access control systems effectively deter unauthorised entry while maintaining clear visibility into and out of the secured area.

  • Anti-Tailgating
  • Anti-Vandal
  • Connectivity
  • High-Security
  • Low Throughput
  • Touchless

Standards & Certifications

  • LPS1175: Issue 8
  • Secured by Design
  • FB2/NS EN 1522 Top Canopy
  • FB4/NS EN 1522 Metal Structure
  • Attack Resistance EN1627-30:2000
  • Vandal Resistant glass P2A-EN 356
Individual Product Dimensions
C1 C2 C3 Option
External Diameter 988mm 1150mm 1381mm
Internal Diameter 820mm 970mm 1200mm
Internal Height 2048mm – 2050mm 2048mm – 2050mm 2048mm – 2050mm
Entrance Width 600mm 700mm 890mm
External Height S: 2382mm S: 2382mm S: 2382mm R: 2320mm
All Below for Products C1 – C3
Safety and Security
Safety Features Anti-slip Floor mat
Emergency unlocking device
Fail secure
IR safety sensors
Internal LED light
Fire alarm signal
Emergency Emergency lever, handle or crank Additional Internal Emergency Lever

Additional External Emergency Lever

Security Ratings FB2/NS EN 1522 Top Canopy
FB4/NS EN 1522 Metal Structure
Attack Resistant Available Attack Resistant Class RC3 EN 1627-30:2011

Attack Resistant Class RC4 EN 1627-30:2011

Vandal Resistant Glass P2A-EN 356 P4A-EN 356
P6B-EN 356
P7B-EN 356
Bullet Resistant Glass Available BR3-EN 1063
BR4-EN 1063
Secure by Design Accredited Y LPS 1175: Issue 8 A1(SR1)
LPS 1175: Issue 8 B3(SR2)
LPS 1175: Issue 8 C5(SR3)
Detection Infrared presence sensors APD – Anti Piggybacking Device | 2 Zone Pressure Mat |  Reed door position tamper sensor
Connectivity Intercom (included in the traffic light)
LED Traffic lights
Web LAN Control | Internal Alcove for Access Control Systems
Control Service mode keyswitch or Multi-function control panel Additional Control Panel with Display | Emergency Exit Control Panel | 4” TFT monitor for Control Panel | Night Lock
Additional Information
Version S: Welded portal structure with 70mm floor base – (recessed or surface mounted) R: Rail floor guide 12mm base – (surface mounted installation only)
K: Portal delivered in sections to be assembled at the installation site.
Extended Height Version
Extended Width Version
Design RAL colour
(sliding door frames RAL 9005 – black)
Polished steel | Brushed steel | Aluminium | RAL pearl colours

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24-Hour Tailgating Prevention for 21st-Century Research

“Meesons have succeeded in providing an added level of secure access to a high profile building.”

Head of Security 

Francis Crick Institute

Since 1998, our partnership with Alluser has created a unique market for high-security portals, making record-breaking achievements together. We couldn’t be more grateful for Allusers expertise in this field and for helping us overcome the security challenges that our customers face.