Adjustable Size 4 Closers Automatic Door Closer - Commercial Grade 3 Spring Hydraulic Door Slam Preventer, Silver

The 300 series door closer is designed for interior commercial use. It is a Grade 3 heavy-duty aluminum commercial door closer that complies with ANSI A156.4 and is UL/ULC listed up to 3-hour fire-rated. This closer has a fixed spring tension, size 4, and meets the Grade 3 ANSI A156.4 standard with 500,000 cycles. It is a UL Listed Closer, non-handed, with a cast aluminum body that can be mounted to regular, top jamb, or parallel arm applications.

The door preparation requires 9-1/16 inch horizontal and 3/4 inch vertical mounting hole locations, allowing it to retrofit traditional closer installations. The door range is up to 180 degrees, meeting the ANSI A156.4 standard.

This high-quality commercial-grade door closer has been tested to withstand two million cycles, making it suitable for both interior and exterior spaces. With a cast-iron body and steel-encased hardware, it is a durable and reliable product at a great price.

The commercial-grade door closer comes with everything needed for installation, including a silver metal cover, fixing screws for wood and metal, a connecting arm, and a parallel plate. No additional hardware store visits are required.

The closer is fully adjustable, with six levels of adjustment for the sweep, latching motion, and backcheck function. This allows you to customize the operation to suit your specific needs, whether you prefer a harder, softer, faster, or slower closing action.

The 300 series door closer is perfect for heavy and high-traffic entrances, such as aluminum storefronts, factories, schools, restaurants, and other public places. It can be used both indoors and outdoors, making it a versatile choice.

Installation is easy, with a detailed instruction guide and a fitting template provided, saving time and the need for a general contractor.

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