Skip To Content
searchSearch mail_outline Email Us call (973) 838-0371

Double Acting Cylinders

AiROYAL - Double Acting Cylinders Pt.1

Universal Mounting

Models: 310, 311, 312, 313.

  • Universal Mounting.
  • For rod-head side or end mounting.
Square Mounts.

Models: 310-SM, 311-SM, 312-SM, 313-SM.

  • Square Mounts.
  • For side mounting or rod-head end mounting.
  • Recommended for all side-mounted cylinders 12″ stroke and over.
Blind-Head End Mounting.

Models: 320, 321, 322, 323.

  • Blind-Head End Mounting.
Trunnion Mounting.

Models: 340, 341, 342, 343.

  • Trunnion Mounting.
  • Trunnion located midway between cylinder head, unless otherwise requested.
  • Specify dimensions “KK” for other positions.

Double Acting Cylinders Pt.1 Charts

View Table A - I

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
A 23/8 229/32 215/16 311/16 315/16
B 11/4 13/4 21/4 3 3
C 7/16 5/8 13/16 13/32 13/32
D 5/16 1/2 5/8 3/4* 13/8
E 5/16 _24 1/2 _20 5/8 _18 3/4 _16 3/4 _16
F 3/16** 1/4 1/4 3/8 3/8
G *** 1/8 1/4 1/4 3/8 3/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

View Table J - R

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
J 1 11/4 11/4 11/2 11/2
K 17/8 131/32 2 21/4 21/2
L 7/8 15/16 15/16 11/16 11/16
M 3/16** 1/4 3/8 3/8 3/8
N 7/16 5/8 3/4 13/32 13/32
O 23/4 311/32 37/16 41/4 41/2
P 7/16 1/2 1/2 5/8 5/8
Q 11/4 13/8 17/16 15/8 15/8
R 33/8 315/16 4 47/8 53/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

View Table S - Z

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
S 11/32 15/32 11/16 7/8 7/8
T 1/2 3/4 3/4 1 1
U 31/16 323/32 43/16 51/8 53/8
V 15/16 13/4 25/16 27/8 27/8
W 11/8 11/2 2 21/2 21/2
X 3/8 1/2 3/4 1 1
Y 3/4 7/8 11/4 17/16 17/16
Z 5/16 1/2 5/8 7/8 7/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

View Table AA - JJ

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
AA 3/8 1/2 1/2 1/2 1/2
BB 9/16 3/4 1 13/8 13/8
CC 41/16 43/32 49/16 51/8 53/8
DD 13/8 13/4 21/4 31/8 31/8
EE 2 23/4 31/4 4 4
FF 33/8 325/32 313/16 47/16 411/16
GG 43/8 413/16 47/8 55/8 61/8
HH 33/8 39/32 35/16 311/16 315/16
II 33/4 323/32 313/16 41/4 41/2
JJ 43/8 45/16 43/8 47/8 53/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

View Full Table

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
A 23/8 229/32 215/16 311/16 315/16
B 11/4 13/4 21/4 3 3
C 7/16 5/8 13/16 13/32 13/32
D 5/16 1/2 5/8 3/4* 13/8
E 5/16 _24 1/2 _20 5/8 _18 3/4 _16 3/4 _16
F 3/16** 1/4 1/4 3/8 3/8
G *** 1/8 1/4 1/4 3/8 3/8
H 11/16 13/32 11/16 13/16† 17/16†
I 3/4 1 1 11/4 11/4
J 1 11/4 11/4 11/2 11/2
K 17/8 131/32 2 21/4 21/2
L 7/8 15/16 15/16 11/16 11/16
M 3/16** 1/4 3/8 3/8 3/8
N 7/16 5/8 3/4 13/32 13/32
O 23/4 311/32 37/16 41/4 41/2
P 7/16 1/2 1/2 5/8 5/8
Q 11/4 13/8 17/16 15/8 15/8
R 33/8 315/16 4 47/8 53/8
S 11/32 15/32 11/16 7/8 7/8
T 1/2 3/4 3/4 1 1
U 31/16 323/32 43/16 51/8 53/8
V 15/16 13/4 25/16 27/8 27/8
W 11/8 11/2 2 21/2 21/2
X 3/8 1/2 3/4 1 1
Y 3/4 7/8 11/4 17/16 17/16
Z 5/16 1/2 5/8 7/8 7/8
AA 3/8 1/2 1/2 1/2 1/2
BB 9/16 3/4 1 13/8 13/8
CC 41/16 43/32 49/16 51/8 53/8
DD 13/8 13/4 21/4 31/8 31/8
EE 2 23/4 31/4 4 4
FF 33/8 325/32 313/16 47/16 411/16
GG 43/8 413/16 47/8 55/8 61/8
HH 33/8 39/32 35/16 311/16 315/16
II 33/4 323/32 313/16 41/4 41/2
JJ 43/8 45/16 43/8 47/8 53/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

AiROYAL - Double Acting Cylinders Pt.2

Pivot Mounting.

Models: 330, 331, 332, 333.

  • Pivot Mounting.
Double Rod Extension.

Models: 310-6, 311-6, 312-6, 313-6.

  • Double Rod Extension.
  • For side and end mounting both ends.
Double Rod Extension.

Models: 320-6, 321-6, 322-6, 323-6.

  • Double Rod Extension.
  • For side and end mounting one end.
Double Rod Extension Trunnion Mounting.

Models: 340-6, 341-6, 342-6, 343-6.

  • Double Rod Extension Trunnion Mounting.
  • Trunnion located midway between cylinder head, unless otherwise requested.
  • Specify dimensions “KK” for other positions.

View Table A - I

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
A 23/8 229/32 215/16 311/16 315/16
B 11/4 13/4 21/4 3 3
C 7/16 5/8 13/16 13/32 13/32
D 5/16 1/2 5/8 3/4* 13/8
E 5/16 _24 1/2 _20 5/8 _18 3/4 _16 3/4 _16
F 3/16** 1/4 1/4 3/8 3/8
G *** 1/8 1/4 1/4 3/8 3/8
H 11/16 13/32 11/16 13/16† 17/16†
I 3/4 1 1 11/4 11/4
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

View Table J - R

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
J 1 11/4 11/4 11/2 11/2
K 17/8 131/32 2 21/4 21/2
L 7/8 15/16 15/16 11/16 11/16
M 3/16** 1/4 3/8 3/8 3/8
N 7/16 5/8 3/4 13/32 13/32
O 23/4 311/32 37/16 41/4 41/2
P 7/16 1/2 1/2 5/8 5/8
Q 11/4 13/8 17/16 15/8 15/8
R 33/8 315/16 4 47/8 53/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

View Table S - Z

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
S 11/32 15/32 11/16 7/8 7/8
T 1/2 3/4 3/4 1 1
U 31/16 323/32 43/16 51/8 53/8
V 15/16 13/4 25/16 27/8 27/8
W 11/8 11/2 2 21/2 21/2
X 3/8 1/2 3/4 1 1
Y 3/4 7/8 11/4 17/16 17/16
Z 5/16 1/2 5/8 7/8 7/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

View Table AA - JJ

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
AA 3/8 1/2 1/2 1/2 1/2
BB 9/16 3/4 1 13/8 13/8
CC 41/16 43/32 49/16 51/8 53/8
DD 13/8 13/4 21/4 31/8 31/8
EE 2 23/4 31/4 4 4
FF 33/8 325/32 313/16 47/16 411/16
GG 43/8 413/16 47/8 55/8 61/8
HH 33/8 39/32 35/16 311/16 315/16
II 33/4 323/32 313/16 41/4 41/2
JJ 43/8 45/16 43/8 47/8 53/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“

View Full Table

Cyl BORE 5/8″ 1″ 11/2″ 2″ 2″ ‘2-1rod’
A 23/8 229/32 215/16 311/16 315/16
B 11/4 13/4 21/4 3 3
C 7/16 5/8 13/16 13/32 13/32
D 5/16 1/2 5/8 3/4* 13/8
E 5/16 _24 1/2 _20 5/8 _18 3/4 _16 3/4 _16
F 3/16** 1/4 1/4 3/8 3/8
G *** 1/8 1/4 1/4 3/8 3/8
H 11/16 13/32 11/16 13/16† 17/16†
I 3/4 1 1 11/4 11/4
J 1 11/4 11/4 11/2 11/2
K 17/8 131/32 2 21/4 21/2
L 7/8 15/16 15/16 11/16 11/16
M 3/16** 1/4 3/8 3/8 3/8
N 7/16 5/8 3/4 13/32 13/32
O 23/4 311/32 37/16 41/4 41/2
P 7/16 1/2 1/2 5/8 5/8
Q 11/4 13/8 17/16 15/8 15/8
R 33/8 315/16 4 47/8 53/8
S 11/32 15/32 11/16 7/8 7/8
T 1/2 3/4 3/4 1 1
U 31/16 323/32 43/16 51/8 53/8
V 15/16 13/4 25/16 27/8 27/8
W 11/8 11/2 2 21/2 21/2
X 3/8 1/2 3/4 1 1
Y 3/4 7/8 11/4 17/16 17/16
Z 5/16 1/2 5/8 7/8 7/8
AA 3/8 1/2 1/2 1/2 1/2
BB 9/16 3/4 1 13/8 13/8
CC 41/16 43/32 49/16 51/8 53/8
DD 13/8 13/4 21/4 31/8 31/8
EE 2 23/4 31/4 4 4
FF 33/8 325/32 313/16 47/16 411/16
GG 43/8 413/16 47/8 55/8 61/8
HH 33/8 39/32 35/16 311/16 315/16
II 33/4 323/32 313/16 41/4 41/2
JJ 43/8 45/16 43/8 47/8 53/8
* 1″ Dia. Rod Std. on `HP’ & ‘SHP’ Models (`E’ THD. == 3/4 -16)

**5/8“ Bore cylinders are drilled only (not counter-bored) for mounting screws

***When oversized ports are required, it’s necessary to increase the length of the head, which

changes the mounting dimensions and overall length

† Dimension H applies to Pipe Port location. Mounting holes on 2″ 310 are 11/4“ from Front Face and 2:1 Rod Type 11/2“