Emerson Rosemount 1195 - Page 21

2-3
U D
U D
A) REDUCER
B) SINGLE 90° BEND
U
DU D
U D
U D
E) EXPANDER F) GLOBE/GATE VALVE
FULLY OPEN
D) TWO OR MORE 90° BENDS IN
DIFFERENT PLANES
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Orifice
Bore
⫼
Pipe
Bore
b
On Upstream (U inlet side of the primary device)
On downstream
(D outlet side)
A
Reducer
(2 d to d over a
length of 1.5 d
to 3 d)
B
Single 90°
bend or tee
(flow from one
branch only)
C
Two or more
90° bends in
the same
plane
D
Two or more
90° bends in
different
planes
E
Expander
(0.5 d to d
over a length
of d to 2 d)
F
Globe
valve fully
open
G
Gate valve
fully open
All fittings
included in this
table
<0.20
0.25
0.30
0.35
5
5
5
5
10
10
10
12
14
14
16
16
34
34
34
36
16
16
16
16
18
18
18
18
12
12
12
12
4
4
5
5
0.40
0.45
0.50
0.55
5
5
6
8
14
14
14
16
18
18
20
22
36
38
40
44
16
17
18
20
20
20
22
24
12
12
12
14
6
6
6
6
0.60
0.65
0.70
0.75
9
11
14
22
18
22
28
36
26
32
36
42
48
54
62
70
22
25
30
38
26
28
32
36
14
16
20
24
7
7
7
8
C) TWO OR MORE 90° BENDS IN
THE SAME PLANES





$


$
Figure 2-2. Pipe Length Requirements for Installation.