GTB400 Hydraulic Gate Closers

GTB400 Hydraulic Gate Closers Dimensions & Specifications

• Gate Weight: 75–175 lbs
• Gate Width: 40–64″
• Max Opening Angle: 100°
• Min Operating Temperature: 15°F*
• Max Operating Temperature: 122°F*
• Gate Materials: Vinyl, Steel, Wood, Chain Link**
• Closing Method: Hydraulic / Nitrogen Gas
• Material: Steel
• Color: GTB400 (Black)
• Finish: GTB400: Painted
• Hinge Arrangements: In-line or Offset
• Opening Pressure: Approx. 6–12 lbs

*Operation outside these temperature limits may cause improper performance or failure.
**For chain link gates, use the GTB-GASTAC mounting kit (sold separately).

GTB400 Hydraulic Gate Closers Features

• Closes medium and large gates from 75–175 lbs
• Hydraulic / Nitrogen gas controlled closing speed
• Installs on top, middle, or bottom of the gate
• Works with left-hand and right-hand gates
• Mounts on the opening side of the gate
• Designed to push the gate closed
• Includes mounting brackets and fitting bar
• Not compatible with gates less than 30 inches wide
• A gate stop is required to maintain warranty and limit opening angle

GTB400 Hydraulic Gate Closer Videos

About the GASTAC GTB400 Hydraulic Gate Closers

The GASTAC GTB400 Turtle Back Hydraulic Gate Closer delivers firm, quiet, and smooth hydraulic action to ensure controlled closing of pedestrian gates. Designed with upgraded seals and a high-performance cylinder, the GTB400 provides superior durability and long-lasting reliability.

With a preset closing speed for consistent closure, the GTB400 has become an economical and dependable solution for securing pedestrian gates up to 64 inches wide and 175 lbs in weight. It is ideal for hotel pool gates, parking lot access gates, beach access gates, office complexes, resorts, and barrier gates.

The GTB400 is also recommended for gates using maglocks or electric strikes, thanks to its stable, steady closing action. When paired with GASTAC access control hardware, it forms a complete self-closing, secure, and convenient gate system.

Key Features of Hydraulic Gate Closers

• Nitrided piston rod delivers long-lasting, corrosion-resistant performance
• Reliable lifespan of up to 60,000 cycles
• Backed by a free 2-year warranty for peace of mind
• Factory-direct Gastac Gas Spring for consistent quality and value
• Free, easy returns if the product does not fit
• Fast delivery: typically ships within 5–10 business days

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