Rosemount 3051SFA - Step 2: Drill mounting hole into pipe; Step 3: Weld the mounting hardware

48
Reference Manual
00809-0100-4809, Rev DA
Section 2: Installation
September 2015
Installation
Step 2: Weld the mounting hardware
Note
Rosemount-supplied mounting includes critical alignment hardware that assists in the correct
drilling of the mounting hole. This significantly reduces problems encountered during insertion.
1. At the pre-determined position, place the flanged assembly on the pipe, gap
1
/16 in. (1,6
mm) and measure the distance from the outside diameter of the pipe to the face of the
flange. Compare this to the chart below and adjust the gap as necessary.
Table 2-10. 485 and 585 Flange Sizes and ODF per Sensor Size
485 Sensor
size
585 Sensor
size
Flange
type
Pressure
class
Flange size/
rating/type
ODF in.
(mm)
(1)
1 11
A
1 1
1
/2-in. 150# RF 3.88 (98.6)
3 1
1
/2-in. 300# RF 4.13 (104.9)
6 1
1
/2-in. 600# RF 4.44 (112.8)
N 1
1
/2-in. 900# RF 4.94 (125.5)
F 1
1
/2-in. 1500# RF 4.94 (125.5)
T 1
1
/2-in. 2500# RF 6.76 (171.7)
R
1 1
1
/2-in. 150# RTJ 4.06 (103.1)
3 1
1
/2-in. 300# RTJ 4.31 (109.5)
6 1
1
/2-in. 600# RTJ 4.44 (112.8)
N 1
1
/2-in. 900# RTJ 4.94 (125.5)
F 1
1
/2-in. 1500# RTJ 4.94 (125.5)
T 1
1
/2-in. 2500# RTJ 6.81 (173.0)
D
1 DN40 PN16 RF 3.21 (81.5)
3 DN40 PN40 RF 3.21 (81.5)
6 DN40 PN100 RF 3.88 (98.6)
2 22
A
1 2.0-in. 150# RF 4.13 (104.9)
3 2.0-in. 300# RF 4.38 (111.3)
6 2.0-in. 600# RF 4.75 (120.7)
N 2.0-in. 900# RF 5.88 (149.4)
F 2.0-in. 1500# RF 5.88 (149.4)
T 3.0-in. 2500# RF 9.88 (251.0)
R
1 2.0-in. 150# RTJ 4.31 (119.5)
3 2.0-in. 300# RTJ 4.63 (117.6)
6 2.0-in. 600# RTJ 4.81 (122.2)
N 2.0-in. 900# RTJ 5.94 (150.9)
F 2.0-in. 1500# RTJ 5.94 (150.9)
T 3.0-in. 2500# RTJ 10.00 (254.0)
D
1 DN50 PN16 RF 3.40 (86.4)
3 DN50 PN40 RF 3.52 (89.4)
6 DN50 PN100 RF 4.30 (109.5)