Stanley Security Solutions  

A division of Stanley Security Solutions 
             
     
  D3550 Commerical Door Closer

D1610 Economical Door Closer | D3550 Commerical Door Closer | D4550 Institutional Door Closer | D4990 Low Energy Operator | D-4550EH Single-Point Hold-Open Door Closer

 
 
 

Introduction
The model D3550 Series is Stanley’s most versatile Door Closer. The reduced body profile provides ease of installation on light duty applications. In addition the R-14 Silicon Aluminum construction provides dependable performance under heavy loads associated with high use institutional applications. The D3550 Closer accommodates a variety of standard and heavy-duty arm applications.

 

Features
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.

(1) opening swing, no checking
(2) backcheck
(3) general speed
(4) latch speed

 

Delayed Action - Optional
The D-3550DA / D-3551DA Series Door Closers are equiped with a seperate hydraulic valve adjustment to delay the closing speed from 180 to 70 degrees of door opening range.

 

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

 

Adjustable Spring Power
The D-3550 Series Door Closers are adjustable from size 2 through 6 with 15% adjustment over size 6. The D-3551 Series Door Closers are adjustable from size 1 through 4. The D-3551 Series Door Closers are designed to meet entrance accessibility requirements of 5 LBF opening force or less.

 

Non-Critical Regulation
The separate adjustments for backcheck, general and latch speeds are equipped with non-critical “V-Slot” regulating valves which allow for fine tuning the closing and latching speeds as well as the backcheck intensity.

 

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

 

Special High Silicon Aluminum Alloy Housing
All D-3550 / D-3551 Series Door Closers are constructed of RYOBI’S R14 HIGH SILICON ALUMINUM ALLOY to exceed the ANSI/BHMA A156.4 Grade 1 requirements.

 

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

 

High Impact Cover
All D-3550 / D-3551 Series Door Closers are shipped with a high impact self-extinguishing decorative cover.

 

Maintenance Free
Door Closers mounted in accordance with the provided installation instructions are maintenance free from periodic inspection and adjustment.

 

Handing

 

Closing Power Adjustment
D-3550 – Size 2 – 6 with 15% adjustment over size 6. The D-3550 Series is adjusted to size 3 before
leaving the factory. D-3551 – Size 1 – 4 with 15% adjustment over size 4. The D-3551 Series Door
Closer is specially designed for doors where the door opening forces shall be 5 LBF or less through 90°. The D-3551 Door Closer is adjustable up to a size 4. The D-3551 Series is adjusted to size 2 before leaving the factory.

 

Latching Power Adjustment
The D-3550 / D-3551 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.

 

Delayed Action
A delayed action feature is available with this series for all applications and arms. The feature permits the door to
close very slowly through the delayed action cycle range. To order add suffix DA to closer number.

 

Arm Options

Suffix Description
L Long Rod Forearm (TJ only)
H Standard Hold Open
PH Parallel Hold Open
EDA Heavy Duty Arm
H-EDA Heavy Duty Arm w/Hold Open
S Heavy Duty Arm w/Stop
CS Heavy Duty Arm w/Compression Stop
HS Heavy Duty Arm w/Hold Open and Stop
HCS Heavy Duty Arm w/Hold Open & Comp. Stop
T Track Mount
HT Track Mount w/Hold Open
TCS Track Compression Stop

 

Packing
All D-3550 / D-3551 Series Door Closers with standard arm sets are packed for mounting on standard, parallel arm or top jamb applications. All closer assemblies are packed 6 per carton. Tracks for track mounted closers are packed.

 

Thru Bolts and Sex Nuts
When thru bolting is ordered, factory will furnish sex nuts for use with the machine screws furnished with the closer. Nuts are sized to accommodate 1-3/8” or 1-3/4” thick doors.

 

ANSI and U.L. Specifications
The D-3550 / D-3551 Series Door Closers far exceed the requirements of the ANSI/BHMA Standard A156.4 - 2000 Grade 1. Listed with Underwriters’ Laboratories, Inc. and Underwriters’ Laboratories of Canada. “For Self-Closing Doors Without Hold-Open Feature” on R7525(R).

D-3550 / D-3551 Series Door Closers have been certified by UL to be in compliance with UL 10 C and UBC 7.2 (1997).

 

How to Order

  
 

 

Features

 
 

Cylinder Assembly Feature
Non-Handed, available in a variety of finishes Wide range of spring power adjustment. Standard packaging with Tri-Pack: Regular, Top-Jamb and Parallel Arm arrangement. Can be ordered with Heavy Duty Arm assembly. ANSI/BHMA A156.4 Grade 1, U.L. Listed U.S. & Canada

 

Cylinder Body, R-14 Die Cast Aluminum Alloy Feature
R-14 Aluminum Alloy provides wear resistance from contact with the piston during the opening and closing cycle (R-14 Wear characteristics similar to that of Cast Iron) In addition the R-14 Aluminum Alloy holds the Cylinder Body dimensionally stable under extreme internal hydraulic pressures.

 

Piston Body Feature
Heavy steel construction with a 1-1/2” diameter. The large 1-1/2” Piston reduces internal hydraulic pressures. No Pressure Relief Valve Needed.

 

Internal Springs Feature
High strength steel construction. Dual springs provide greatest adjustment range in the industry.
 

Multiple Regulating Valves, V-Slotted Valve Regulation Feature
Multiple Regulating Valves provide a wide range of door control features. V-Slotted Valve maximizes fine tune adjustment capability.

 

All Weather Hydraulic Fluid Feature
All Weather Hydraulic Fluid eliminates the need for seasonal adjustment. Fire Resistant conforms to UL10C.

 

Varity of Standard Arm options
Forged Main Arm provides high strength with a reduced profile.
 
Parallel Hold Open Arm
Standard Arm Set
Standard Hold-Open Arm Set
 

Varity of Heavy Duty Arm options
Forged Main Arm provides high strength with a reduced profile. Non-Handed.
 
Heavy Duty Parallel Arm with Stop
Heavy Duty Parallel Arm with Compression Stop
Heavy Duty Parallel Arm Hold-Open & Stop
 

Track Rail Arm
Forged Main Arm provides high strength with a reduced profile. Non-Handed.
Track Rail Arm with Hold Open & Stop
 
 
 

 
D3550 Commercial
Download the Brochure here
 

 

Installation Instructions
 

 
   
  © 2006 Stanley Security Solutions, Inc.
6161 East 75th Street | Indianapolis, IN | 46250
Tel 317 849 2250