Selection
of Rigid Rods Components for Valve Remote Operators
Rigid Rod components can be assembled into
a valve remote control design for manual or power drive operation
where use is intermittent or slow speed, and it may be operated
in either direction of rotation.
The following Rigid Rod Guide Selection Chart will be useful
guides in the Design of a valve remote operator. The selection
chart has been organized around four design factors, involving
varying numbers of components, and tabulates the normal (one
man operation) output torques obtainable with various handwheel
and rigid rod diameters.
Suggested
Rigid Rod Guide Selection Chart
|
Valve
Handwheel (in.) |
Valve
Operating Torque (ft. lbs.) |
DESIGN
FACTORS |
|
1 |
2 |
3 |
4 |
|
d |
D |
d |
D |
d |
D |
d |
D |
3 |
10 |
5/8 |
4 |
5/8 |
4 |
5/8 |
5 |
5/8 |
6 |
4 |
13 |
5/8 |
4 |
5/8 |
5 |
5/8 |
6 |
5/8 |
7 |
5 |
17 |
5/8 |
6 |
5/8 |
6 |
5/8 |
7 |
5/8 |
9 |
6 |
20 |
5/8 |
6 |
5/8 |
7 |
5/8 |
9 |
3/4 |
11 |
7 |
26 |
5/8 |
8 |
5/8 |
9 |
3/4 |
11 |
3/4 |
12 |
8 |
30 |
5/8 |
9 |
3/4 |
10 |
3/4 |
11 |
3/4 |
12 |
9 |
34 |
3/4 |
10 |
3/4 |
11 |
3/4 |
12 |
3/4 |
14 |
10 |
40 |
3/4 |
11 |
3/4 |
12 |
3/4 |
14 |
3/4 |
14 |
11 |
46 |
3/4 |
12 |
3/4 |
12 |
3/4 |
14 |
3/4 |
16 |
12 |
50 |
3/4 |
14 |
3/4 |
14 |
3/4 |
16 |
1 |
18 |
14 |
70 |
1 |
16 |
1 |
18 |
1 |
21 |
1 |
21 |
16 |
80 |
1 |
18 |
1 |
18 |
1 |
21 |
1 |
24 |
18 |
90 |
1 |
21 |
1 |
21 |
1 |
24 |
1 |
24 |
21 |
122 |
1 |
24 |
1 |
24 |
1 |
27 |
1
1/4 |
37 |
24 |
140 |
1
1/4 |
24 |
1
1/4 |
27 |
1
1/4 |
27 |
1
1/4 |
30 |
27 |
158 |
1
1/4 |
27 |
1
1/4 |
30 |
1
1/4 |
30 |
1
1/4 |
36 |
30 |
175 |
1
1/4 |
30 |
1
1/4 |
30 |
1
1/4 |
36 |
1
1/4 |
36 |
36 |
210 |
1
1/4 |
36 |
|
Note:
d=Rod Diameter
D=Remote Handwheel Diameter (in.)
Design
Factors (Typical sytems, consisting of the following components)
1) Remote Operating Station (1): Universal Joints (2)
2) Remote Operating Station (1): Gear Box (1); Universal Joints
(4)
3) Remote Operating Station (1): Gear Box (2); Universal Joints
(6)
4) Remote Operating Station (1): Intermediate Connection (1);
Gear Boxes (3); Universal Joints (10) |
