Stanley Security D-4551S - Parallel, Multi-Sized 1-5, Door Closer with Heavy Duty Arm with Stop

Stanley Security D-4551S - Parallel, Multi-Sized 1-5, Door Closer with Heavy Duty Arm with Stop

The model D4551 Series is Stanley's best performing Heavy Duty Closer. The cylinder body is manufactured using R-14 Silicon Aluminum Alloy providing superior strength and durability on institutional applications. Available in a variety of standard and heavy-duty arm configurations accommodating a broader range of today's growing architectural application requirements.

Stanley D-4551S Multi-Sized 1-5 Door Closer with Heavy Duty Arm w/ Stop (Push Side Mount)

Closing Power Adjustment:
D-4551** Size 1 5 with 35% spring power adjustment over size 5.
** Meets ADA 5lb opening force requirements. The D-4551 Series is adjusted to size 2 before leaving the factory.

Fully Hydraulic Checking Controls the door through the entire opening and closing cycles by providing adjustable backcheck upon opening and adjusting general and latch speeds through the closing cycle.

Delayed Action Optional: The D-4550DA / D-4551DA Series Door Closers are equipped with a separate hydraulic valve adjustment to delay the closing speed from 180 to 70 degrees of door opening range. To order add suffix DA to closer number.

Adjustable Spring Power: The D-4550/D-4551 Series Door Closers are designed to have the widest range of spring power adjustment available to meet the broadest range of application requirements.

All Season Fluid: All season fluid eliminates the need for seasonal adjustment.

Forged Arms: Heavy duty forged arms are interchangeable between the D-4550 and D-3550 Series Door Closers.

High Impact Cover: All D-4550 / D-4551 Series Door Closers are shipped with a high impact self-extinguishing decorative cover.

Latching Power Adjustment: The D-4550 / D-4551 Series Door Closers have the provision to adjust the leverage of the arms by changing the pivot position of the arm in the shoe. The shoe itself does not have to be removed from the door or jamb.

Non-Handed: Can be used on both RH and LH doors for both push side and pull side mounting.

Special High Silicon Aluminum Alloy Housing: All D-4550 / D-4551 Series Door Closers are constructed of "STANLEY" SR14 HIGH SILICON ALUMINUM ALLOY to exceed the ANSI/BHMA A156.4 Grade 1 requirements.

Cut Sheet