ADA

Barrier Free

ANSI/BHMA
A156.4 GRADE1

D-4550 Surface-Mounted Door Closer
Extra-Durable and Lightweighted Body
made of R14 High-Silicon Hard Aluminum Alloy

Surface Mounted Door Closer

D-4550 SERIES
Heavy-Duty

RYOBI D-4550 SERIES(Heavy-Duty Models) (*1)(*1) Extra-Durable and Lightweighted Body made of R14 High-Silicon Hard Aluminum Alloy

1.Model Chart

1-1. Original Set (Heavy-Duty Door Closer Body + original Regular Arm)

Model No.

D-4550 TP (*2)
D-4551 TP (*3)

Size = Closing

Model Selection

Force (ANSI)with Delayed-

2-6

D-4550DA TP

1-4

ActionD-4551DA TP

Applicable Door Size

Body

Max. Width

DB-4550/DB-4550DA

48"=4'0"(1,219mm) 60"=5'0''(1,524mm) 330lbs (150kgs)(Ryobi's part number)
DB-4551/DB-4551DA

Max. Weight

Exterior

Interior36"=3'0''(914mm)

44"=3'8''(1,118mm) 220lbs (100kgs)(*2) D-4550 TP/D-4550DA TP/D-4551 TP/D-4551DA TP (Tri-Packs) are comprised of Body + Regular Arm (=main arm, forearm, and foot bracket)=A45-501 + Parallel Bracket.

(*3) D-4551 Sub-Series are applied to ADA Barrior Free standard.

(*4) Closing Force of Body with Track-Rail Arm as well as Parallel Arm is smaller than one of Body with Regular Arm.

1-2. Extra-Duty Parallel Arm
Option of Extra-Duty Parallel Arm by speciﬁcation
Parallel(Push Side)
EDA(*5)(A45-505)

EDA-H(A45-505H)

EDA-S(A45-505S)

EDA-HS(A45-505HS)

EDA-CS(A45-505CS)

EDA-HCS(A45-505HCS)(*5) Re suﬃx and description, please refer to P.3. The lower columns indicate Ryobi's part numbers.

1-3. Original Arm

Option of Original Arm by Mounting Application (Combination with Body)
Regular(Pull Side)/Top-Jamb(Push Side)(no suﬃx)(*6)(A45-501)

L (Top-Jamb only)(A45-501L)

H(A45-501H)

Parallel(Push Side)

Track-Rail(Pull Side)(A45-503H)(A45-507T)

HP

T

HT

(A45-507HT)(*6) Re suﬃx and description, please refer to P.3. The lower columns indicate Ryobi's part numbers.

2.Features, Specifications, Finishes, and Accessories
2-1. Features

Advantage

Low Defective Ratio and Low Quality Uneveness

Extra-Durable and Lightweighted Body made of R14 High-Silicon Hard Aluminum Alloy,
and Extra-Durable Arm made of Forged-Steel
Mechanism

High Eﬃciency (Closing Force/Opening Force=about 70% in whole closing cycle)
Full Fluid Oil Hydraulic Checking, All-Season Fluid
Latching-Action

Rack & Pinion (stable closing/latching speeds)
General Features

Non-Handed

Backcheck (original function)(Advanced Backcheck model is available)

Hold-Open (option of arm)

(Hold-Open Angle and Force can be adjusted)

Delayed-Action (option of body)
Stop (option of arm)

(Compression-Stop model is available)

Compliance(1) ANSI/BHMA A156.4-2019 Grade 1, (2) UL228/UL10C, (3) ADA Barrier Free (D-4551 Sub-Series only)

Adjustment

Closing Force(by nut on the body and foot mounting position)

Delayed-Action Speed(by valve on the body)

2-2. Speciﬁcations

Closing Speed, Latching Speed, and Backcheck ForceArm Option forRegular (pull side) & Top-Jamb (push side)

application

Track-Rail (pull side)

OptionHold-Open (option of arm)

mounting

Parallel (push side)

Supplememtal Arm Long Rod (option of arm, Top-Jamb only)
Stop & Compression-Stop (option of arm)

2-3. Finishes/Accessories(refer to Model Chart#1-3)(refer to Model Chart#1-3)(refer to Model Chart#1-3)(refer to Model Chart#1-2/1-3)(refer to Model Chart#1-2/1-3)(refer to Model Chart#1-2/1-3)

FinishAluminum-Silver painted, Dark-Bronze painted, or Black painited (selectional), Other ﬁnishes (optional)

Furnished Items

Fasteners (machine screws, tapping screws, self-drilling tapping screws, hex key for valve, hex wrench for nut )Cover

Plastic Cover (original), Metal Cover (optional)

Parallel Bracket for Tri-Pack to be applied to both mounting applications of "Regular Arm" and "Parallel Arm"
Instruction Manual, and Template Paper２(by valves on the body)HOW TO ORDER(Suﬃx and Description)

1.How to Order
Model(Series)
D-455

Size
Body Options(Sub-Series)[no suﬃx]
0: ANSI 2-6
DA : Delayed-Action
1: ANSI 1-4(ADA applied) AVB: Advanced-Backcheck(D-4550 Sub-Series only)
MC: Metal Cover

Arm Options

Finish Selections

TP (Tri-Pack)[no suﬃx]
L
H
HP
T
HT
EDA
EDA-H
EDA-S
EDA-HS
EDA-CSEDA-HCS

AL689
DB695
BL693

2.Arm Options
Internal use onlyPart Number Accembling UL LabelingNo
Yes (R)TP(Original) Regular (Standard) Arm + Parallel Bracket A45-501
Yes (D)
Yes (D)(no suﬃx) (Original) Regular (Standard) Arm
A45-501L
Yes (D)
Yes (D)L(Original) Regular (Standard) Arm with Long Rod
Forearm for Top-Jamb Mounting Application
A45-501H
Yes (D)No
H(Original) Regular (Standard) Arm with Hold-Open
A45-503H
Yes (D)No
HP(Original) Parallel Arm with Hold-Open
A45-507T
Yes (D)
Yes (D)
T(Original) Track-Rail Arm
A45-507HT Yes (D)NoHT(Original) Track-Rail Arm with Hold-Open
A45-505
Yes (D)
Yes (D)EDA
Extra-Duty Parallel Arm
A45-505H
Yes (D)No
EDA-H
Extra-Duty Parallel Arm with Hold-Open
A45-505S
Yes (D)
Yes (D)
EDA-S
Extra-Duty Parallel Arm with Stop
A45-505HS Yes (D)No
EDA-HS Extra-Duty Parallel Arm with Hold-Open and Stop
A45-505CS Yes (D)Yes (D)
EDA-CS
Extra-Duty Parallel Arm with Compression-Stop(Cushion-Stop)
A45-505HCS Yes (D)No
EDA-HCS Extra-Duty Parallel Arm with Hold-Open andCompression-Stop (Cushion-Stop)Suﬃx

Description

3.Finish Selections
Suﬃx
AL689
DB695
BL693
OthersDecription
Aluminum-Silver Painted
Dark-Bronze Painted
Black painted(optional)

３

HOW TO ORDER(Suﬃx and Desctription, continued)

4.Accessory Options
Suﬃx

Description

Heavy-Duty Drop Plate
P45-180
P45-180D Heavy-Duty Drop Plate (deeper)
P45-4040 Retroﬁt Plate to mount to LCN 4040 Hole Pattern
Oﬀset Plate
P45-113
Spacer Block for Parallel Bracket
P45-110
P45HD-110 Heavy-Duty Spacer Block for Parallel Bracket
Angle Bracket for Parallel Bracket
P45-114
P45HD-114 Heavy-Duty Angle Bracket for Parallel Bracket
P45HD-112 Angle Bracket for Shoe Support
Angle Bracket for Top-Jamb Application
P45-190
Metal Cover Satin Stainless Hairline (optional)
MC-455

４

Internal use onlyPart Number
Accembling UL LabelingP45-180 HD DPL
No
No
P45-180D HD DPL
No
No
P45-4040 RPL
No
No
P45-113 OPL
No
No
P45-110 SBL
No
No
P45HD-110 HD SBL
No
No
P45-114 ABR-PB
No
No
P45HD-114 HD ABR-PB No
NoP45HD-112 ABR-SS
No
No
P45-190 ABR-TJ
No
No
MC4550-630 S/S-H
No
No

RYOBI D-4550 SERIES■Regular Arm Application (Pull Side)
FRAME
MAXIMUM DOOR OPENING

120°

180°

A

11 5/8"(295.3mm)

9 5/8"(244.5mm)B

8 1/2"(215.9mm)

6 1/2"(165.1mm)

DOOR

OPEN

TURNING CENTER OF THE HINGE

3/4"
19.1mmA

2-#12-24 MACHINE SCREW
2-#12
TAPPING SCREW
2-∅6SELF DRILLING TAPPING SCREW
13/16"
20.6mm

1 3/4"
44.5mm

FRAME

FRAME

2 1/2"
63.5mm

3 13/16"96.8mmC

3 1/16"77.8mmLATCHING SPEED VALVE
DOOR

CLOSING SPEED VALVE

9"228.6mm
13 1/32"331mm

B

D.A.VALVEDOORSPRING ADJUSTING NUT

1 7/8"
47.6mm2 7/16"61.9mm

VIEW C4-#12-24 MACHINE SCREW
4-#12
TAPPING SCREW
4-∅4.8 SELF DRILLING TAPPING SCREW

B.C.VALVE■Top-Jamb Application(Push Side with Regular Arm with Long Rod Forearm)
OPEN
MAXIMUM DOOR OPENING

DOOR

120°

A
FRAME

B

11 5/8"(295mm)8 1/2"(216mm)180°

9 5/8"(244mm)6 1/2"(165mm)TURNING CENTER OF THE HINGE

4-#12-24 MACHINE SCREW
4-#12
TAPPING SCREW
4-∅4.8SELF DRILLING TAPPING SCREWSPRING ADJUSTING NUT

B.C.VALVE

13 1/32"(331mm)

2 7/16"(62mm)

D.A.VALVE

1 7/8"(48mm)

B

9"(228.6mm)

31/32"(25mm)

5/8"(16mm)

2 1/2"(63.5mm)

3 13/16"(97mm)

CLOSING SPEED VALVE

2-#12-24 MACHINE SCREW
2-#12
TAPPING SCREW
2-∅6SELF DRILLING TAPPING SCREWFRAME

LATCHING SPEED VALVE

C

FRAME
DOOR

1 3/4"(45mm)A
VIEW CDOOR

５

RYOBI D-4550 SERIES■Parallel Arm Application (Push Side)OPEN

6 3/8"(161.9mm)

B

10 7/32"(259.6mm)

8 7/32"(208.8mm)

DOOR

1 1/2"
38.1mm180°

8 3/8"(212.7mm)

FRAME
3 15/32"
88.1mm13/32"
10.3mm

120°

A

9/32"
7.1mm

MAXIMUM DOOR OPENINGTURNING CENTER OF THE HINGE
4-#12-24 MACHINE SCREW
4-#12
TAPPING SCREW
4-∅6
SELF DRILLING TAPPING SCREW

3"76.2mm1 9/16"39.7mm

A

FRAME
FRAME

D.A.VALVE

B.C.VALVE

2 3/8"
60.3mmDOOR

3 13/16"96.8mm3 1/16"77.8mm2 1/2"
63.5mm

CLOSING SPEED VALVEDOORLACHING SPEED VALVE
1 7/8"
47.6mm9"228.6mm
13 1/32"331mm

B

2 7/16"61.9mmSPRING ADJUSTING NUT
4-#12-24 MACHINE SCREW
4-#12
TAPPING SCREW
4-∅4.8 SELF DRILLING TAPPING SCREW■Track-rail Arm Application (Pull Side)
FRAME

1

2

3

DOOR

HOLD OPEN DEVICE

1

2

3

DOOR HOLD OPENNING ANGLE

106ﾟ

86ﾟ

80ﾟ

PRELOAD:45°
OPEN

HOOK TOWARD HINGE SIDE

2-#12-24 MACHINE SCREW
2-#12
TAPPING SCREW
2-∅4.8 SELF DRILLING TAPPING SCREW

21 1/32"534.2mm

1 3/4"
44.5mm20 1/4"514.4mm13/16"
20.6mm23/32"
18.3mmTURNING CENTER OF THE HINGE

MAX: 1/8"
3.2mm

FRAME

1/2"
12.7mm

3 13/16"96.8mm2 1/2"
63.5mm3 1/16"77.8mmDOOR
LATCHING SPEED VALVE

CLOSING SPEED VALVE

7 5/8"
193.7mm

9"228.6mm

６

SPRING ADJUSTING NUT

13 1/32"331mm
D.A.VALVE( 1/8")(3.2mm)FRAME

B.C.VALVE

4-#12-24 MACHINE SCREW
4-#12
TAPPING SCREW
4-∅4.8 SELF DRILLING TAPPING SCREW

1 7/8"
47.6mm2 7/16"61.9mmDOORDRAWING OF ARM OPTIONS■Regular Arm [A45-501]■Regular Arm with Hold-Open [A45-501H](Regular Arm with Long Rod Forearm [A45-501L])
10 7/8"

10 1/32"

Parallel Bracket
for Tri-Pack
9/32"

13
/4 "

1

3 17/32"3"
1 9/16"

3 15/32"
13/32"

4"
3/■Parallel Arm with Hold-Open [A45-503H]
10 7/8"■Track-Rail Arm [A45-507T](Track-Rail Arm with Hold-Open [A45-507HT])
Main Arm
11 13/16"

Track-Rail
20 1/4"

3"

1

9/

3

2" 32"
/
15

16

/3

"

13
"

32

9/

■Extra-Duty Parallel Arm with Stop [A45-505S](Extra-Duty Parallel Arm [A45-505])(Extra-Duty Parallel Arm with Compression-Stop [A45-507CS])■Extra-Duty Parallel Arm with Hold-Open and Stop [A45-505HS](Extra-Duty Parallel Arm with Hold-Open [A45-505H])(Extra-Duty Parallel Arm with Hold-Open and Compression-Stop [A45-505HCS])

10"

10"

33
2 1 /8"/8"33
2 1 /8"/8"Compression-Stop
1 13/32"
7/16"

11

31/32"/32

1 1/4"

"

6"

/16

"

M14

15/16"

13

3/8 1 1
1/1
"

11

/32

"

13

3/8 1 1
1/1
"

6"

/16

"

７

DRAWING OF ACCESSORY OPTIONSR
R1 7/1
1 6"■Spacer Block [P45-110 SBL]

15/32"
12■Heavy-Duty Spacer Block[P45HD-110 HD SBL]

8-φ 33/64"
φ13

715/32"
12

63/64"
25
1/2"
12.7

4-80° 4-φ 33/64"
φ13

13/16"
20.5
3/4"
19.1

90

45/64"
18

11 3/4"298.5

SEC．A-A

3 15/64"
82

6

4-90°
ENGRAVING
U

11 1/8"282.5

4-#12-24UNC°

3 11/16"

6

90

2 3/8"

R
R2 5/64"

1 37/64"40

7 7/8"
200

5/16"
8

10 15/64"
260

5■Metal Cover Satin Stainless Hairline (optional)[MC4550-630 S/S-H]

12 29/32"■Angle Bracket for Top-Jamb[P45-190 ABR-TJ]

1 33/64"
38.5

A
1 3/4"
44.5

3"
76.2
4"
101.6

1"
25.4

1 1/2"
38.1

90
°

A

7/16"
11.1

6

°

6-1/4-20UNC

8

5/16"
7.8

2-80° 2-φ 33/64"
φ13

1 7/64"28.3
1 1/2"
38.1■Angle Bracket for Shue Support[P45HD-112 HD ABR-SS]

1"
25.4

3"
76.2

4-#12-24UNC

2 3/4"
69.9
3 1/2"
88.9

1 3/4"
44.5

6

4-φ 25/64"° 80°φ109025/64"
10
1 1/2"
38.1

3/8"
9.5

5

4-φ 5/16"
φ7.8

1/2"
12.7

2 1/8"
53.8
3 23/64"85.5

1 1/4"
31.8

1 3/32"
27.8
5/8"
15.9

1 37/64"40
2 7/8"
73

８■Heavy-Duty Angle Bracket for Parallel Bracket[P45HD-114 HD ABR-PB]
3/8"
9.4
2 1/16"52.4■Angle Bracket for Parallel Bracket[P45-114 ABR-PB]
2 63/64"76

1 37/64"40
2 63/64"76
3 1/2"
897

1 37/64"40
2 63/64"76
3 1/2"
89

7

53/64"
21

63/64"
25

8

4"
101.6

2 7/8"
73

8

25/64"
10

25/64"
10

7

1 1/32"
26

7/16"
11.1
7

3 5/32"80" 15/16"
24
64

51
70
90

2R5 R 1
3/4-#12-24UNC

8-80° 8-φ 33/64"
φ13

8-80°

6

7
4-φ 15/32"
φ12

6

1"
25.4

4-90°

5 1/2"
139.7

1 11/16"
43

1"
25.4

4"

1"
25.4

6

φ29/64" 4-90°
φ11.5■Offset Plate [P45-113 OPL]

8.300
5 1/2"
139.7

2 1/2"
63.5

2 9/16"
65.1

7/16"
11.1

1"
25.4

4R6 R 15/6

1 1/8"
28.6

6

13 1/32"331

13 1/32"
331
9"
228.6

30°

3 7/8"
98.4

4-#12-24UNC
9"
228.6

■Retrofit Plate [P45-4040 RPL]
5 1/8"
130.2

4
C -C
6 1
5/
64
"

5/8"
15.9

6

9"
228.6
13 1/32"331

2 1/16"52.4

5 3/8"
136.5

6"
152.4

1/2" 13/16"
12.7 20.6

ENGRAVING

6"
152.4

2 1/2"
63.5

U

6-φ 15/64"
φ6

2 1/2"
63.5
3 13/16"
96.9

7/8" 5/8"
22.2 15.9

4-#12-24UNC■Heavy-Duty Drop Plate (deeper)[P45-180D HD DPL]

4
C -C
6 1
5/
64
6-90°6-φ 29/64"
"
φ11.5

7/16"
11

■Heavy-Duty Drop Plate[P45-180 HD DPL]

4-φ 29/64"
φ11.5

PART NUMBER AND DESCRIPTION
1.D-4550 SERIES Door Closer, Aluminium-Silver painted
PART NUMBER

a. D-4550 TP AL689

Internal use onlyPart Number (body/arm)

HD SM Door Closer, Tri-Pack (Body + Regular Arm + Parallel Bracket), AL689--

D-4550DA TP AL689

HD SM Door Closer, Tri-Pack (Body with DA + Regular Arm + Parallel Bracket), AL689--

D-4551 TP ADA AL689

HD SM Door Closer, Tri-Pack (Body + Regular Arm + Parallel Bracket), ADA, AL689--

D-4551DA TP ADA AL689

HD SM Door Closer, Tri-Pack (Body with DA + Regular Arm + Parallel Bracket), ADA, AL689--

b. D4550 RG AL689c.

DESCRIPTIONHD SM Door Closer Body + Regular Arm, AL689

DB-4550 AL

A45-501 AL

D4550 L NA TJ AL689

HD SM Door Closer Body + Regular Arm with Long Rod NA for TJ, AL689

DB-4550 AL

A45-501L AL

D4550 H RG AL689

HD SM Door Closer Body + Regular Arm with Hold-Open, AL689

DB-4550 AL

A45-501H AL

D4550 HP PR AL689

HD SM Door Closer Body + Parallel Arm with Hold-Open, AL689

DB-4550 AL

A45-503H AL

D4550 T TR AL689

HD SM Door Closer Body + Track-Rail Arm, AL689

DB-4550 AL

A45-507T AL

D4550 HT TR AL689

HD SM Door Closer Body + Track Rail Arm with Hold-Open, AL689

DB-4550 AL

A45-507HT AL

D4550 EDA PR AL689

HD SM Door Closer Body + EDA, AL689

DB-4550 AL

A45-505 AL

D4550 EDA-H PR AL689

HD SM Door Closer Body + EDA with Hold-Open, AL689

DB-4550 AL

A45-505H AL

D4550 EDA-S PR AL689

HD SM Door Closer Body + EDA with Stop, AL689

DB-4550 AL

A45-505S AL

D4550 EDA-HS PR AL689

HD SM Door Closer Body + EDA with Hold-Open and Stop, AL689

DB-4550 AL

A45-505HS AL

D4550 EDA-CS PR AL689

HD SM Door Closer Body + EDA with Compression-Stop, AL689

DB-4550 AL

A45-505CS AL

D4550 EDA-HCS PR AL689

HD SM Door Closer Body + EDA with Hold-Open and Compression Stop, AL689

DB-4550 AL

A45-505HCS AL

d. D4550DA RG AL689

HD SM Door Closer Body with DA + Regular Arm, AL689

DB-4550DA AL A45-501 AL

D4550DA L NA TJ AL689

HD SM Door Closer Body with DA + Regular Arm with Long Rod NA for TJ, AL689

DB-4550DA AL A45-501L AL

D4550DA H RG AL689

HD SM Door Closer Body with DA + Regular Arm with Hold-Open, AL689

DB-4550DA AL A45-501H AL

D4550DA HP PR AL689

HD SM Door Closer Body with DA + Parallel Arm with Hold-Open, AL689

DB-4550DA AL A45-503H AL

D4550DA T TR AL689

HD SM Door Closer Body with DA + Track-Rail Arm, AL689

DB-4550DA AL A45-507T AL

D4550DA HT TR AL689

HD SM Door Closer Body with DA + Track Rail Arm with Hold-Open, AL689

DB-4550DA AL A45-507HT AL

HD SM Door Closer Body with DA + EDA, AL689

DB-4550DA AL A45-505 AL

e. D4550DA EDA PR AL689
D4550DA EDA-H PR AL689

HD SM Door Closer Body with DA + EDA with Hold-Open, AL689

D4550DA EDA-S PR AL689

HD SM Door Closer Body with DA + EDA with Stop, AL689

D4550DA EDA-HS PR AL689

HD SM Door Closer Body with DA + EDA with Hold-Open and Stop, AL689

D4550DA EDA-CS PR AL689

HD SM Door Closer Body with DA + EDA with Compression-Stop, AL689

D4550DA EDA-HCS PR AL689

HD SM Door Closer Body with DA + EDA with Hold-Open and Compression Stop, AL689

DB-4550DA AL A45-505H AL
DB-4550DA AL A45-505S AL
DB-4550DA AL A45-505HS AL
DB-4550DA AL A45-505CS AL
DB-4550DA AL A45-505HCS AL

2.D-4550 SERIES Door Closer, Aluminium-Sliver Painted (continued)f.

PART NUMBER

DESCRIPTION

D4551 RG ADA AL689

HD SM Door Closer Body + Regular Arm, ADA, AL689

D4551 L NA TJ ADA AL689

HD SM Door Closer Body + Regular Arm with Long Rod NA for TJ, ADA, AL689

D4551 H RG ADA AL689

HD SM Door Closer Body + Regular Arm with Hold-Open, ADA, AL689

D4551 HP PR ADA AL689

HD SM Door Closer Body + Parallel Arm with Hold-Open, ADA, AL689

D4551 T TR ADA AL689

HD SM Door Closer Body + Track-Rail Arm, ADA, AL689

D4551 HT TR ADA AL689

g. D4551 EDA PR ADA AL689

Internal use onlyPart Number (body/arm)
DB-4551 AL

A45-501 AL

DB-4551 AL

A45-501L AL

DB-4551 AL

A45-501H AL

DB-4551 AL

A45-503H AL

DB-4551 AL

A45-507T AL

HD SM Door Closer Body + Track Rail Arm with Hold-Open, ADA, AL689

DB-4551 AL

A45-507HT AL

HD SM Door Closer Body + EDA, ADA, AL689

DB-4551 AL

A45-505 AL

DB-4551 AL

A45-505H AL

DB-4551 AL

A45-505S AL

DB-4551 AL

A45-505HS AL

DB-4551 AL

A45-505CS AL

DB-4551 AL

A45-505HCS AL

D4551 EDA-H PR ADA AL689

HD SM Door Closer Body + EDA with Hold-Open, ADA, AL689

D4551 EDA-S PR ADA AL689

HD SM Door Closer Body + EDA with Stop, ADA, AL689

D4551 EDA-HS PR ADA AL689

HD SM Door Closer Body + EDA with Hold-Open and Stop, ADA, AL689

D4551 EDA-CS PR ADA AL689

HD SM Door Closer Body + EDA with Compression-Stop, ADA, AL689

D4551 EDA-HCS PR ADA AL689

HD SM Door Closer Body + EDA with Hold-Open and Compression Stop, ADA, AL689

９

PART NUMBER AND DESCRIPTION(Continued)

2.D-4550 SERIES Door Closer, Aluminium-Sliver Painted (continued)
PART NUMBER

h. D4551DA RG ADA AL689i.

DESCRIPTIONPart Number (body/arm)

HD SM Door Closer Body with DA + Regular Arm, ADA, AL689

DB-4551DA AL A45-501 AL

D4551DA L NA TJ ADA AL689

HD SM Door Closer Body with DA + Regular Arm with Long Rod NA for TJ, ADA, AL689

DB-4551DA AL A45-501L AL

D4551DA H RG ADA AL689

HD SM Door Closer Body with DA + Regular Arm with Hold-Open, ADA, AL689

DB-4551DA AL A45-501H AL

D4551DA HP PR ADA AL689

HD SM Door Closer Body with DA + Parallel Arm with Hold-Open, ADA, AL689

DB-4551DA AL A45-503H AL

D4551DA T TR ADA AL689

HD SM Door Closer Body with DA + Track-Rail Arm, ADA, AL689

DB-4551DA AL A45-507T AL

D4551DA HT TR ADA AL689

HD SM Door Closer Body with DA + Track Rail Arm with Hold-Open, ADA, AL689

DB-4551DA AL A45-507HT AL

D4551DA EDA PR ADA AL689

HD SM Door Closer Body with DA + EDA, ADA, AL689

DB-4551DA AL A45-505 AL

D4551DA EDA-H PR ADA AL689

HD SM Door Closer Body with DA + EDA with Hold-Open, ADA, AL689

DB-4551DA AL A45-505H AL

D4551DA EDA-S PR ADA AL689

HD SM Door Closer Body with DA + EDA with Stop, ADA, AL689

DB-4551DA AL A45-505S AL

D4551DA EDA-HS PR ADA AL689

HD SM Door Closer Body with DA + EDA with Hold-Open and Stop, ADA, AL689

DB-4551DA AL A45-505HS AL

D4551DA EDA-CS PR ADA AL689

HD SM Door Closer Body with DA + EDA with Compression-Stop, ADA, AL689

DB-4551DA AL A45-505CS AL

D4551DA EDA-HCS PR ADA AL689

HD SM Door Closer Body with DA + EDA with Hold-Open and Compression Stop, ADA, AL689

DB-4551DA AL A45-505HCS AL

3.REMARKS
TP: Tri-Pack (Door Closer Body + Regular Arm + Parallel Bracket)
HD: Heavy-Duty
SM: Surface-Mounted
RG: Regular (Standard) Arm
NA: Non-Assembled
TJ: Top-Jump Mounting Application
PR: Parallel Arm
TR: Track-Rail Arm
DA: Delayed-Action
AL689 : Aluminum-Silver Painted
DB695 : Dark-Bronze painted
BL693 : Black painted
ADA: ADA Barrier Free standard Applied
EDA: Extra-Duty Parallel Arm

10

Internal use only

COMPLIANCE
Quality-Rated

The D-4550 Series Door Closers have been certiﬁed and complied with "ANSI/BHMA
A156.4-2019 Standard for Door Conrtrols - Closers" as "Grade 1"

Fire-Rated(1) The D-4550 Series Door Closers have been listed in the ﬁle number R7525 of UL/cUL as"Swinging Fire Door Closers" to meet the UL 228 (Standard for Door Closers-Holders, With or
Without Integral Smoke Detectors)(2) The D-4550 Series Door Closers have been listed in the ﬁle number R7525 of UL/cUL as"Swinging Fire Door Closers" for "Self-Closing Doors without Hold-Open feature" to meet the
UL 10C (Standard for Positive Pressure Fire Tests of Door Assemblies)

Disability-Rated

The D-4551 Sub-Series have been applied to ADA Barrier Free standard (to meet entrance
accessibility requirements of 5lbf opening force or less).

Limited Warranty

10-year from the date of manufacture11