Emerson 289 Series, Инструкция по эксплуатации

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