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HALO® Manual Marine Gate Systems


HALO Maritime Defense Systems has consistently lead the way in manual port security gate systems. HALO's proprietary retractable defensive barrier (RDB) solutions -- GUARDIAN® and ORION® -- are uniquely capable of being high-performance manual, floating, marine gates. 

GUARDIAN® RDB


HALO ORION® and GUARDIAN® Automatic Retractable Barrier Systems collapse along their length.

The GUARDIAN® Retractable Defensive Barrier (RDB) is a military grade, scalable, dynamic, maritime gate designed to survive the harshest marine environment. The GUARDIAN system can be connected to existing infrastructure or to other HALO products.

The GUARDIAN system features a modular design that provides simplified maintenance and repair. Minor part replacements are quick and easy. The accordion style structure allows automatic operation in constrained waterways. The double wall barrier with diamond shaped segments forms an impassible vertical wall in the water and naturally dissipates energy from the environment and impacts. The gate can be operated automatically, power-assisted, or manually.


GUARDIAN® Performance Specifications

Parameter SI ** USC **
Freeboard (height off water) 2.4 m 8 ft
Beam (width) 4.4 m 14.4 ft
Maximum Kinetic Energy Capability * > 6,779 kJ * > 5,000,000 ft-lbf
US NAVY Specified Threat Boats Stopped >99.99%
Post Impact Displacement 2.8 m 9.2 ft
Meets or Exceeds United States Navy Requirements
Structurally Intact Post Impact
Gate Operationally Intact Post Impact
Maintains Protection Against Followup Attacks

* maximum kinetic energy customizable to customer needs. Please contact us for details.
** International System of Units (Système international d'unités) and United States Customary Units


Designed to Perform

MIL-STD-810G Environmental Engineering Considerations and Lab. Tests

United States Military Standard that emphasizes tailoring an equipment's environmental design and test limits to the conditions that it will experience throughout its service life, and establishing chamber test methods that replicate the effects of environments on the equipment rather than imitating the environments themselves. The MIL-STD-810 test series are approved for use by all departments and agencies of the United States Department of Defense (DoD).*


GUARDIAN® Integrations

The GUARDIAN® RDB can be fully integrated with existing third-party port security barrier systems or other HALO® port security solutions.


ORION® RDB


HALO ORION® and GUARDIAN® Automatic Retractable Barrier Systems collapse along their length.

Easy to install and easy to relocate, the ORION® Retractable Defensive Barrier is the little brother to HALO’s GUARDIAN® RDB. ORION is designed as a port security gate against small boat threats and intruders in the marine and nearshore environments.

HALO ORION® Retractable Defensive Barriers are the only automatic port security systems tested by the US Navy and independently verified.

The ORION RDB is a lightweight, rapidly deployable waterside security system. It is used to provide a protective perimeter around valued marine assets, while allowing ease of access for approved operators. ORION is a scaled down version of the GUARDIAN RDB that can be easily positioned in forward locations to protect deployed or visiting assets.

The ORION RDB can be deployed as a static perimeter defense or line of demarcation, or as a dynamic manually or fully automatic gate. The compact design and accordion style compression optimize storage in constrained areas. Barrier systems can be pre-positioned, deployed to protect a visiting vessel, and removed for future use after departure.


ORION® Performance Specifications

Parameter SI ** USC **
Freeboard (height off water) 1.7 m 5.5 ft
Beam (width) 2.8 m 9 ft - 3 in
Maximum Kinetic Energy Capability * > 423 kJ * > 312,000 ft-lbf
US NAVY Specified Threat Boats Stopped >98.1%
Post Impact Displacement 2.0 m 6.5 ft
Meets or Exceeds United States Navy Requirements
Structurally Intact Post Impact
Gate Operationally Intact Post Impact
Maintains Protection Against Followup Attacks

* maximum kinetic energy customizable to customer needs. Please contact us for details.
** International System of Units (Système international d'unités) and United States Customary Units


Flexible Color Options

HALO ORION® RDB system with customer specified optional color scheme.

HALO ORION® RDB system with customer specified optional color scheme.

Standard ORION® color options include International Orange, Safety Yellow, and Black.  The unique manufacturing process for ORION allows customer selection from an array of options to match existing corporate color scheme, maritime specification, or personal preference.