ACTUATORS - RP SERIES
Australian Pipeline Valve - Installation, Operation and Maintenance Manual
19
The standard rotation (when port 4 is pressurized or for spring action) is clockwise to close. When port 2
is pressurized, counter-clockwise rotation is obtained. Torqturn actuators can be supplied with different
types of assembly/rotation direction depending on the type of required operation and/or installation, see
technical data sheets.
Standard Rotation
Double-acting
A
B
A
B
Counter Clock Wise
Air to Port A forces the pistons outwards, causing the pinion to
turn counterclockwise while the air is being exhausted from
Port B.
Clock Wise
Air to Port B forces the pistons inwards, causing the pinion to
turn clockwise while the air is being exhausted from Port A.
Single-acting (Spring Return)
A
B
A
B
Counter Clock Wise
Air to Port A forces the pistons outwards, causing the springs to
turn compress the pinion turns counterclockwise while air is
being exhausted from Port B.
Clock Wise
Loss of air pressure, the stored energy in the springs forces the
pistons inwards, the pinion turns clockwise while air is being
exhausted from Port A.
7.2 OPERATING SPECIFICATIONS
Operating data Quarter Turn
Model
DN
Ø(mm)
Revolution of
travel adjusted 1”
Air consumption
of open (L)
Air consumption
of close (L)
Open Time (Sec) Close Time (Sec)
Weight (kg)
DA
SR
DA
SR
DA
SR
RP50
50
1/6 turn
0.09
0.15
0.2
0.25
0.25
0.3
0.96
1.06
RP63
63
1/6 turn
0.16
0.26
0.25
0.3
0.3
0.35
1.58
1.7
RP75
75
1/6 turn
0.31
0.49
0.3
0.35
0.4
0.5
2.7
3.15
RP88
88
1/5 turn
0.51
0.78
0.4
0.5
0.5
0.6
3.8
4.4
RP100
100
1/5 turn
0.71
1.11
0.5
0.6
0.7
0.9
5.4
6.51
RP125
125
1/5 turn
1.54
2.34
0.9
1.1
1.2
1.4
10.2
12.6
RP145
145
1/5 turn
2.41
3.78
1.2
11.4
1.5
1.8
14.5
18.1
RP160
160
1/4 turn
3.14
4.92
1.5
1.7
1.8
2.1
19.8
24
RP180
180
1/4 turn
4.26
6.89
2
2.2
2.4
2.8
25
31.6
RP200
200
1/4 turn
5.94
9.46
2.7
3.2
3.5
4
35.5
45.1
RP240
240
1/4 turn
10
15.2
3.5
4
4.1
4.6
53
64
RP265
265
1/4 turn
14.5
21.38
4
4.5
4.5
5
83
102
RP300-600
Refer to separate specification sheet
