Emerson 289A Руководство по эксплуатации - Страница 5
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1E7020-K
A2960
Figure 5. Location of Travel Stop Drive Screw for 2 NPT Type 289H Relief Valve
available
body size,
configuration
NPt
Type 289A
1/4
1
Type 289H
2
Type 289HH
1
Type 289L
3/4 or 1
Type 289U
1/4
1. This value indicates the relief pressure setting plus pressure build-up.
Spring Part Number
1B536527052
1B536627052
1B536827062
1B536927052
5
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Table 1. Maximum Allowable Relief (Inlet) Pressure
spring part
color
number
code
0Z056327022
Silver
1B268227022
Silver
1F826927052
Pink
1D892327022
Red
1D751527022
Silver
1D7455T0012
Green
1B536527052
Dark blue
1B536627052
Gray
1B536827062
Dark green
1B536927052
Red Stripe
1D7455T0012
Green
13A7917X012
Silver
13A7916X012
Red Stripe
0V060227022
Silver
0F058227022
Silver
20 in. w.c. to 3 psig
Table 2. Relief Set Pressure Ranges
Spring Range (Relief Pressure Setting)
psig
7 to 18 in. w.c.
0.5 to 2.25
1.75 to 7
4 to 10
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Type 289H
Spring case
spring range
(relief pressure settings)
psig
bar
3 to 13
0.21 to 0.90
11 to 22
0.76 to 1.5
1 to 4.5
0.07 to 0.31
4 to 15
0.28 to 1.0
10 to 20
0.69 to 1.4
15 to 50
1.0 to 3.5
7 to 18 in. w.c.
17 to 45 mbar
0.5 to 2.25
0.03 to 0.16
1.75 to 7
0.12 to 0.48
4 to 10
0.28 to 0.69
45 to 75
3.1 to 5.2
10 to 18 in. w.c.
25 to 45 mbar
12 to 40 in. w.c
30 to 99 mbar
5 to 25 in. w.c.
12 to 62 mbar
50 to 207 mbar
bar
17 to 45 mbar
0.03 to 0.16
0.12 to 0.48
0.28 to 0.69
289 Series
a
maximum allowable relief
(INlet) pressure
(1)
psig
bar
45
3.1
100
6.9
25
1.7
100
6.9
7
0.48
10
0.69
Dimension A
In.
mm
Drive screw not required
1-17/32
39
2-5/32
55
2-5/16
59