14
PME120/RHD250 to 4000 (Contrac)
ELECTRICAL ROTARY ACTUATOR | OI/PME/RHD250/4000-EN REV. F
… 5 Installation
… Mounting
Installation variants
Locking and fastening elements
Locking screws of mechanical limit stops
Actuator
Tightening torque Nm (lbf-ft)
PME 46
(34)
RHD250 79
(58)
RHD500 / RHD800
195 (144)
RHD1250 / RHD2500
670 (494)
RHD4000 670
(494)
lever clamping screw
Actuator
Tightening torque Nm (lbf-ft)
PME 23
(17)
RHD250 79
(58)
RHD500 / RHD800
195 (144)
RHD1250 / RHD2500
390 (288)
RHD4000 390
(288)
Mounting screw (property class 8.8)
Actuator Hole
diameter
mm (in)
tensile strength
N/mm
2
(lbf/in
2
)
Yield strength
N/mm
2
(lbf/in
2
)
PME
12 (0.47)
800 (116032)
640 (93550)
RHD250 12
(0.47)
RHD500 / RHD800
18 (0.71)
RHD1250 / RHD2500
20 (0.78)
RHD4000 20
(0.78)
Lever cover
Actuator
Tightening torque Nm (lbf-ft)
PME
2.5 +0.5 (1.8 +0.4)
RHD250
2.5 +0.5 (1.8 +0.4)
RHD500 / RHD800
6.5 +0.5 (4.8 +0.4)
RHD1250 / RHD2500
25 +5 (18.4 +3.9)
RHD4000
25 +5 (18.4 +3.9)
PME direct adapter cover
Actuator
Tightening torque Nm (lbf-ft)
PME
4.0 +0.5 (2.9 +0.4)
Specifications for linkage of ball-and-socket valve in driver lever cone
Actuator Ball-and-socket
joint
ThreadTightening torque
Nm (lbf ft)
PME
A19
M10 × 1
18 (13)
RHD250
A24
M14 × 1.5
45 (33)
RHD500 / RHD800
B30
M18 × 1.5
93 (69)
RHD1250 / RHD2500
B35
M20 × 1.5
126 (93)
RHD4000
B50
M30 × 1.5
258 (190)
Mounting with lever
1
Actuator lever
2
Mechanical limit stop with
locking screw
3
Lever clamping screw
4
Fixing screws
5
Flap lever
6
Mounting surface
(rigid, level support)
7
Link rod
α
≥
15° (
≥
20°)*,
β
in
accordance with final control
element manufacturer
Figure 6: Component lever actuator
* For actuator types RHD(E)800, RHD(E)1250, RHD(E)2500 and RHD(E)4000