Clamping force vs arm length graphs – Enerpac ST-52 User Manual
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3
Cylinder Specifications
Capacity [kN (lbs.)]
2,2 (500)
5,6 (1250)
Body Style
threaded body, lower flange, or upper flange mounting
Cylinder Type
single-acting and double-acting
Hydraulic
clamp
8,1 (0.32)
9,9 (0.39)
Stroke [mm (in)]
total
16,5 (0.65)
22,6 (0.89)
Effective Area
clamp
1,22 (0.19)
1,81 (0.28)
[cm
2
(in
2
)]
unclamp
1,55 (0.24)
3,81 (0.59)
Oil Capacity
clamp
4,59 (0.28)
10,3 (0.63)
[cm
3
(in
3
)]
unclamp
9,67 (0.59)
20,2 (1.23)
Operating Specifications — Maximum Flow Rate Chart
Also see graphs below.
2,2 kN (500 lb) — Maximum Clamp Arm Length is 76 mm (3")
Arm Length
25 (0.97)
38 (1.5 )
51 (2.0)
64 (2.5)
76 (3.0)
[mm (in)]
straight pull
standard arm
extended
extended
extended
extended
Max. Flow
[cc/min (in
3
/min)]
197 (12)
197 (12)
98 (6)
98 (6)
98 (6)
98 (6)
Max. Pressure
[bar (psi)]
350 (5000)
350 (5000)
207 (3000)
145 (2100)
128 (1850)
107 (1550)
Clamping Force
[kN (lbs)]
2,6 (585)
2,2 (500)
1,2 (275)
0,8 (175 )
0,7 (150)
0,5 (110)
5,6 kN (1250 lb) — Maximum Clamp Arm Length is 127 mm (5")
Arm Length
40 (1.58)
51 (2.0)
76 (3.0)
102 (4.0)
127 (5.0)
[mm (inches)]
straight pull
standard arm
extended
extended
extended
extended
Max. Flow
[cc/min (in
3
/min)]
410(25)
410 (25)
197 (12)
197 (12)
197 (12)
197 (12)
Max. Pressure
[bar (psi)]
350 (5000)
350 (5000)
262 (3800)
172 (2500)
131 (1900)
103 (1500)
Clamping Force
[kN (lbs)]
6,2 (1390)
5,0 (1100)
3,3 (750)
2,0 (450)
1,2 (275)
0,9 (200)
1
25
[1.00]
51
[2.00]
76
[3.00]
102
[4.00]
127
[5.00]
1,33 [300]
2
5
4
0
3
6,67 [1500]
0
5,34 [1200]
4,00[900]
2,67 [600]
5,6 kN (1250 lb) Models
Max. Clamp Pressure (bar [psi])
350 [5000]
350 [5000]
262 [3800]
131 [1900]
103 [1500]
172 [2500]
Clamping Force (kN [lbs.])
Arm Length (mm [in.])
76
[3.00]
13
[.50]
25
[1.00]
38
[1.50]
51
[2.00]
64
[2.50]
0,67 [150]
0
0
1
1,34 [300]
2,00 [450]
2,67 [600]
2
3
5
2,2 kN (500 lb) Models
Clamping Force (kN [lbs.])
Arm Length (mm [in.])
350 [5000]
350 [5000]
207 [3000]
145 [2100]
128 [1850]
107 [1550]
Max. Clamp Pressure (bar [psi])
4
Clamping Force vs Arm Length Graphs