UL 325 Safety Standard

The standard to which vehicular gate operators are designed, manufactured and tested is UL 325; Underwriters Laboratories Inc., Standard for Safety: Door, Drapery, Gate, Louver, and Window Operators and Systems. In addition to the 325 standard, vehicular gate operators must also be tested to UL 991; Tests for Safety-Related Controls Employing Solid-State Devices.

The UL 325 Standard has undergone significant revisions over the past several years. The purpose of the revisions is to create entrapment prevention criteria for vehicular gate operators and systems, and to increase over-all safety of the product. The standard also calls out for specific construction specifications for the vehicular gate itself (see ASTM F2200-02).   The revised standard was first published September 18, 1998, and went into effect March 1, 2000.

Keep in mind that this and other safety standards are written for YOUR protection.   Your professional  system installer will provide you with a safe gate operating system.   To insure this safety, and to comply with the manufacturer's installation instructions and industry safety standards, your installer will present you with different options of certain safety devices that he feels is necessary to insure a safe gate system.   We STRONGLY suggest that you discuss these options with your installer and heed his recommendations regarding entrapment prevention devices and gate construction criteria.   You should also refer to the manufacturer's installation manual for more information on the safety provisions and requirements of your vehicular gate system.   Some (but not all) of these safety devices and gate construction criteria are listed below.

Safety and Construction

  • Secondary entrapment prevention device or devices are installed in areas where an entrapment hazard exists.   These devices include contact (electric edges) and non-contact (photo-electric) sensors.
  • Warning signs are placed in an area where they are visible from each side of the gate.
  • Gate controls are installed in such a manner that a person operating the controls cannot come in contact with the gate or gate operator.
  • The gate operator is appropriate for the construction and class of the gate.
  • Rollers are guarded.
  • Pinch points are eliminated or guarded.
  • All openings in slide gate systems are guarded or screened from the bottom of the gate to a minimum of 48-inches above the ground to prevent a 2.25-inch diameter sphere from passing through the openings anywhere in the gate, and in that portion of the adjacent fence that the gate covers in the open position.
  • Refer to ASTM-F2200-02 for more information on the construction of the gate and associated hazards.

You should never install, or have installed on your property, a vehicular gate operator that does not carry the "MARK" of a Nationally Recognized Testing Laboratory (NRTL) such as ETL or UL. This assures you that the gate operator has been tested by an independent third party testing laboratory and has met all the safety requirements of the UL 325 safety standard.    

Our gate operators have been designed to not only meet the above requirements, but have been designed to exceed these requirements so that we are providing our clients with the safest vehicular gate operators on the market.

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