
DG Series Regulators
6
Table 6.
DG Series Backpressure Control Ranges
ACTUATOR
SPRING PART
NUMBER
SPRING
COLOR
BODY
MATERIAL
END
CONNECTION
MEDIUM
TYPE
BODY SIZE
ELASTOMER/TEMPERATURE
RANGE
SPRING CONTROL RANGE
bar
psig
Low-pressure
Actuator
DOA330
ERSA01273A0
White
WCB or CF8M
PN16/25/40 RF
ANSI 150/300 RF
Gas
All
NBR (-29 to 80°C)
0.15 to 0.32
2.18 to 4.64
FKM (-7 to 120°C)
ERSA01286A0
Blue
WCB or CF8M
PN16/25/40 RF
ANSI 150/300 RF
Gas
All
NBR (-29 to 80°C)
0.3 to 0.7
4.35 to 10.2
FKM (-7 to 120°C)
Liquid
All
NBR (-29 to 80°C)
FKM (-7 to 93°C)
ERSA01288A0
Yellow
WCB or CF8M
PN16/25/40 RF
ANSI 150/300 RF
Gas
All
NBR (-29 to 80°C)
0.6 to 1.4
8.7 to 20.3
FKM (-7 to 120°C)
Liquid
All
NBR (-29 to 80°C)
FKM (-7 to 93°C)
ERSA01290A0
Red
WCB or CF8M
PN16/25/40 RF
ANSI 150/300 RF
Gas
All
NBR (-29 to 80°C)
1.3 to 2.3
18.9 to 33.4
FKM (-7 to 120°C)
Liquid
All
NBR (-29 to 80°C)
FKM (-7 to 93°C)
High-pressure
Actuator
(1)
DOA180
ERSA01286A0
Blue
WCB or CF8M
PN16/25/40 RF
ANSI 150/300 RF
Gas
DN25 &
DN50
NBR (-29 to 80°C)
2.1 to 5
30.5 to 72.5
FKM (-7 to 120°C)
DN80 &
DN100
NBR (-29 to 80°C)
FKM (-7 to 120°C)
Liquid
All
NBR (-29 to 80°C)
FKM (-7 to 93°C)
ERSA01288A0
Yellow
WCB
PN16 RF
Gas
All
NBR (-29 to 80°C)
4.5 to 10
65.3 to 145
FKM (-7 to 120°C)
Liquid
All
NBR (-29 to 80°C)
FKM (-7 to 93°C)
CF8M
PN16 RF
Gas
All
NBR (-29 to 80°C)
FKM (-7 to 120°C)
Liquid
All
NBR (-29 to 80°C)
FKM (-7 to 93°C)
WCB or CF8M
PN25/40 RF
ANSI 150/300 RF
Gas
All
NBR (-29 to 80°C)
FKM (-7 to 120°C)
Liquid
All
NBR (-29 to 80°C)
FKM (-7 to 93°C)
ERSA01290A0
Red
WCB
PN16 RF
Gas
All
NBR (-29 to 80°C)
9.5 to 16
138 to 232
FKM (-7 to 120°C)
9.5 to 10
138 to 145
Liquid
All
NBR (-29 to 80°C)
9.5 to 16
138 to 232
FKM (-7 to 93°C)
9.5 to 10
138 to 145
PN25 RF
Gas
All
NBR (-29 to 80°C)
9.5 to 25
138 to 363
FKM (-7 to 120°C)
9.5 to 10
138 to 145
Liquid
All
NBR (-29 to 80°C)
9.5 to 25
138 to 363
FKM (-7 to 93°C)
9.5 to 10
138 to 145
ANSI150 RF
Gas
All
NBR (-29 to 80°C)
9.5 to 18.3
138 to 265
FKM (-7 to 120°C)
9.5 to 10
138 to 145
Liquid
All
NBR (-29 to 80°C)
9.5 to 18.3
138 to 265
FKM (-7 to 93°C)
9.5 to 10
138 to 145
CF8M
PN16 RF
Gas
All
NBR (-29 to 80°C)
9.5 to 13.2
138 to 191
FKM (-7 to 120°C)
9.5 to 10
138 to 145
Liquid
All
NBR (-29 to 80°C)
9.5 to 13.2
138 to 191
FKM (-7 to 93°C)
9.5 to 10
138 to 145
PN25 RF
Gas
All
NBR (-29 to 80°C)
9.5 to 20.6
138 to 299
FKM (-7 to 120°C)
9.5 to 10
138 to 145
Liquid
All
NBR (-29 to 80°C)
9.5 to 20.6
138 to 299
FKM (-7 to 93°C)
9.5 to 10
138 to 145
ANSI150 RF
Gas
All
NBR (-29 to 80°C)
9.5 to 17.1
138 to 248
FKM (-7 to 120°C)
9.5 to 10
138 to 145
Liquid
All
NBR (-29 to 80°C)
9.5 to 17.1
138 to 248
FKM (-7 to 93°C)
9.5 to 10
138 to 145
WCB or CF8M
PN40RF
ANSI 300RF
Gas
All
NBR (-29 to 80°C)
9.5 to 25
138 to 363
FKM (-7 to 120°C)
9.5 to 10
138 to 145
Liquid
All
NBR (-29 to 80°C)
9.5 to 25
138 to 363
FKM (-7 to 93°C)
9.5 to 10
138 to 145
1. The maximum relief pressure for fluorocarbon (FKM) construction is 13 bar / 189 psig or maximum relief pressure of corresponding body, whichever is lower. The maximum control
pressure for fluorocarbon (FKM) construction is 10 bar / 145 psig.