RYOBI D-2150BC JAPAN door spring return mechanism for fire-resistant doors

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RYOBI D2150 Door Spring Return Mechanism (with adjustable force No 3 - No 4 - No 5), suitable for fire-resistant and fire protection doors.

The automatic closing spring return mechanism Ryobi features adjustment screws for:

• Adjusting the door closing speed

• Adjusting the final door closing

• Valve adjustment for controlled opening (back check), which limits the door's opening range to the desired degrees and provides resistance against violent door openings.

Easy to install and adjust. It offers the option to select the mechanism's force (No 3 - No 4 - No 5) without the need to drill new holes on the door. It can be converted for right or left door installation depending on the door.

Certified and suitable for fire-resistant and fire protection doors, it operates reliably down to -20°C.

The mechanism is designed to operate trouble-free for 1,000,000 working cycles.

Available in White, Black, and Silver colors.

The package includes templates and instructions for correct installation.

Force adjustment is at the customer's discretion, who can select one of the following 3 force combinations based on the door's width and weight, without needing to drill additional holes, as per the table below. For example, after selecting No 4, the force can be changed to No 3 or No 5 without new holes.

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