Rosemount 3051SFA - Page 58

50
Reference Manual
00809-0100-4809, Rev DA
Section 2: Installation
September 2015
Installation
Note
Interference will occur if the valve is located inline with the insertion rods.
2. Fasten the isolation valve to the mounting using gasket, bolts, and nuts.
Figure 2-34. Install Isolation Valve
A. Isolation valve
Step 4: Mount the drilling machine and drill hole
Drilling machine is not provided with the assembly.
1. Determine the drill hole size based on the sensor size or sensor width.
2. Mount the drilling machine to the isolation valve.
3. Open the valve fully.
4. Drill the hole into the pipe wall in accordance with the instructions provided by the
drilling machine manufacturer.
5. Retract the drill fully beyond the valve.
Table 2-11. 485 Drill Hole Sizes
Sensor
size
Sensor
width
Hole diameter
A. Pressure drilling machine
B. Isolation valve is fully open when inserting drill
C. Isolation valve is fully closed after withdrawing drill
1
0.590-in.
(14.99 mm)
3
/4-in.
(19 mm)
+
1
/32-in.
(0.8 mm)
– 0.00
2
1.060-in.
(26.92 mm)
1
5
/16-in.
(34 mm)
+
1
/16-in.
(1.6 mm)
– 0.00
3
1.935-in.
(49.15 mm)
2
1
/2-in.
(64 mm)
+
1
/16-in.
(1.6 mm)
– 0.00
A
A
B
C