Bulletin 71.4:LR128
11
SPRING RANGE,
PART NUMBER
AND SPRING
COLOR
SET
PRESSURE
BODY SIZE
1 In. / DN 25 2 In. / DN 50 3 In. / DN 80 4 In. / DN 100
psig bar 10% 20% 30% 40% 10% 20% 30% 40% 10% 20% 30% 40% 10% 20% 30% 40%
35 to 75 psig /
2.4 to 5.2 bar
1D7455T0012
(Green)
35 2.4 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
50 3.4 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
75 5.2 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
70 to 140 psig /
4.8 to 9.7 bar
1E395727192
(Red)
70 4.8 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
100 6.9 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
125 8.6 12.5 14.8 14.8 14.8 43.0 50.8 50.8 50.8 77.4 91.4 91.4 91.4 124 147 147 147
140 9.7 13.3 14.8 14.8 14.8 51.7 50.8 50.8 50.8 87.7 91.4 91.4 91.4 141 147 147 147
130 to 200 psig /
9.0 to 13.8 bar
1L380027142
(Blue)
130 9.0 12.0 14.8 14.8 14.8 51.9 50.8 50.8 50.8 83.7 91.4 91.4 91.4 135 147 147 147
150 10.3 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
175 12.1 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
200 13.8 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
100 to 375 psig /
6.9 to 26.0 bar
14B9942X022
(Unpainted)
100 6.9 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
150 10.3 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
200 13.8 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
250 17.2 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
300 20.7 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
350 24.1 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
375 25.9 14.8 14.8 14.8 14.8 50.8 50.8 50.8 50.8 91.4 91.4 91.4 91.4 147 147 147 147
1. Type LR128 on liquid service with 1/2 NPT Type MR98H Pilot, 100% Cage Capacity with Strainer and Type 112 Restrictor Setting of “6” for the 1 and 2 in. / DN 25 and 50 body sizes,
“6” or “8” for the 3 in. / DN 80 body size and “8” for the 4 in. / DN 100 body size.
2. Values published in this table are laboratory tested and are presented based on % offset (positive control deviation only) or pressure build-up above setpoint.
Table 12. C
v
(1)
at % Offset (Pressure Build-Up Above Setpoint)
(2)
(2 strony)
(1 strony)
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