Becker VRP-SB-PID Series Natural Gas Controllers Instruction Manual | 10
© 2016 General Electric Company. All rights reserved.
Control Spring Range Selection for VRP-SB-PD Controllers
Table 6 - Control Spring Range Selection for VRP-SB-PD-40 Direct-Acting and Reverse-Acting Controller
VRP-SB-PD
Model No.
Spring
Color
(Part
Number)
No Rings
Low Gain
Large Rings
Medium Gain
Small Rings
High Gain
Setpoint
Change per
Revolution
of setpoint
screw
(psig/kPa)
Control Range
(psig/kPa)
Proportional
Band w/3-15
psig (21-103
kPa) Output
Control Range
(psig/kPa)
Proportional
Band w/3-15
psig (21-103
kPa) Output
Control Range
(psig/kPa)
Proportional
Band w/3-15
psig (21-103
kPa) Output
VRP-600-SB-
PD-40
Beige
(25-8238)
100-150 psig
(689-1034 kPa)
51 psig
(352 kPa)
90-150 psig
(621-1034 kPa)
36 psig
(248 kPa)
75-140 psig
(517-965 kPa)
23 psig
(159 kPa)
7.4 psig
(51 kPa)
Burgundy
(25-8239)
130-220 psig
(689-1034 kPa)
110-200 psig
(758-1379 kPa)
100-200 psig
(689-1379 kPa)
11.3 psig
(78 kPa)
Pink
(25-8240)
230-350 psig
(1586-2413 kPa)
200-340 psig
(1379-2344 kPa)
180-330 psig
(1241-2275 kPa)
24 psig
(165 kPa)
Yellow
(25-1306)
350-600 psig
(2413-4137 kPa)
330-600 psig
(2275-4137 kPa)
320-600 psig
(2206-4137 kPa)
85 psig
(568 kPa)
VRP-1000-
SB-PD-40
Beige
(25-8238)
180-350 psig
(1241-1724 kPa)
87 psig
(600 kPa)
150-250 psig
(1034-1724 kPa)
61 psig
(421 kPa)
120-230 psig
(827-1586 kPa)
39 psig
(270 kPa)
12.6 psig
(87 kPa)
Burgundy
(25-8239)
220-350 psig
(1517-2413 kPa)
200-350psig
(1379-2413 kPa)
160-340 psig
1103-2344 kPa)
19.2psig
(132 kPa)
Pink
(25-8240)
350-590 psig
(2413-4068 kPa)
340-570 psig
(2344-3930 kPa)
310-550 psig
(2137-3792 kPa)
41 psig
(283 kPa)
Yellow
(25-1306)
590-1050 psig
(4068-7239 kPa)
570-1050 psig
(3930-7239 kPa)
550-1050 psig
3792-7239 kPa)
143 pisg
(986 kPa)
VRP-1500-
SB-PD-40
Grey
(25-1562)
900-1350 psig
(6205-9308 kPa)
87 psig
(600 kPa)
850-1350 psig
(5861-9308 kPa)
61 psig
(421 kPa)
850-1350 psig
(5861-9308 kPa)
39 psig
(270 kPa)
227 psig
(1565 kPa)
Violet
(25-8073)
1000-1500 psig
(6895-10342 kPa)
950-1500 psig
(6550-10342 kPa)
950-1500 psig
(6550-10342 kPa)
276psig
(1903 kPa)
Note: Refer to motor information specified in Tables 3 and 4.
Table 7 - Control Spring Range Selection for VRP-SB-PD-80 Direct-Acting and Reverse-Acting Controller
VRP-SB-PD
Model No.
Spring
Color
(Part
Number)
No Rings
Low Gain
Large Rings
Medium Gain
Small Rings
High Gain
Setpoint
Change per
Revolution
of setpoint
screw
(psig/kPa)
Control Range
(psig/kPa)
Proportional
Band w/6-30
psig (41-207
kPa) Output
Control Range
(psig/kPa)
Proportional
Band w/6-30
psig (41-207
kPa) Output
Control Range
(psig/kPa)
Proportional
Band w/6-30
psig (41-207
kPa) Output
VRP-600-
SB-PD-80
Beige
(25-8238)
N/A
102 psig
(703 kPa)
N/A
72 psig
(496 kPa)
N/A
46 psig
(317 kPa)
7.4 psig
(51 kPa)
Burgundy
(25-8239)
N/A
180-260 psig
(1241-1793 kPa)
150-250 psig
(1034-1724 kPa)
11.3 psig
(78 kPa)
Pink
(25-8240)
300-400 psig
(2068-2758 kPa)
250-390 psig
(1724-2689 kPa)
340-370 psig
(1655-2551 kPa)
24 psig
(165 kPa)
Yellow
(25-1306)
400-600 psig
(2758-4137 kPa)
380-600 psig
(2620-4137 kPa)
370-600 psig
(2551-4137 kPa)
85 psig
(568 kPa)
VRP-1000-
SB-PD-80
Beige
(25-8238)
N/A
174 psig
(1200 kPa)
N/A)
122 psig
(841 kPa)
200-300 psig
(1379-2086 kPa)
78 psig
(538 kPa)
12.6 psig
(87 kPa)
Burgundy
(25-8239)
N/A
310-430 psig
(1379-2413 kPa)
250-400 psig
1724-2758 kPa)
19.2psig
(132 kPa)
Pink
(25-8240)
500-700 psig
(3447-4826 kPa)
430-660 psig
(2965-4551 kPa)
400-630 psig
(2758-4344 kPa)
41 psig
(283 kPa)
Yellow
(25-1306)
700-1050 psig
(4826-7239 kPa)
650-1050 psig
(4482-7239 kPa)
620-1050 psig
4275-7239 kPa)
143 pisg
(986 kPa)
VRP-1500-
SB-PD-80
Grey
(25-1562)
1000-1350 psig
(6895-9308 kPa)
174 psig
(1200 kPa)
1000-1350 psig
(6895-9308 kPa)
122 psig
(841 kPa)
950-1350 psig
(6550-9308 kPa)
78 psig
(538 kPa)
227 psig
(1565 kPa)
Violet
(25-8073)
1100-1500 psig
(7584-10342 kPa)
1100-1500 psig
(7584-10342 kPa)
1050-1500 psig
(7239-10342 kPa)
276psig
(1903 kPa)
Note: Refer to motor information specified in Tables 3 and 4.