
DG Series Regulators
5
Table 5.
DG Series Pressure Reducing 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
PN 16/25/40 RF
ANSI 150/300 RF
Gas
all
NBR (-29 to 80°C)
0.15 to 0.3
2.18 to 4.35
FKM (-7 to 120°C)
ERSA01286A0
Blue
WCB or CF8M
PN 16/25/40 RF
ANSI 150/300 RF
Gas
all
NBR (-29 to 80°C)
0.27 to 0.83
3.92 to 12
FKM (-7 to 120°C)
Liquid
all
NBR (-29 to 80°C)
0.3 to 0.83
4.35 to 12
FKM (-7 to 93°C)
ERSA01288A0
Yellow
WCB or CF8M
PN 16/25/40 RF
ANSI 150/300 RF
Gas
all
NBR (-29 to 80°C)
0.75 to 1.77
10.9 to 25.7
FKM (-7 to 120°C)
Liquid
all
NBR (-29 to 80°C)
FKM (-7 to 93°C)
ERSA01290A0
Red
WCB or CF8M
PN 16/25/40 RF
ANSI 150/300 RF
Gas
all
NBR (-29 to 80°C)
1.6 to 3
23.2 to 43.5
FKM (-7 to 120°C)
Liquid
all
NBR (-29 to 80°C)
FKM (-7 to 93°C)
High-
pressure
Actuator
(2)
DOA180
ERSA01273A0
White
WCB or CF8M
PN 16/25/40 RF
ANSI 150/300 RF
Gas
DN 25 and
DN 50
(1)
NBR (-29 to 80°C)
0.75 to 2.35
10.9 to 34.1
FKM (-7 to 120°C)
ERSA01286A0
Blue
WCB or CF8M
PN 16/25/40 RF
ANSI 150/300 RF
Gas
DN 25 and
DN 50
(1)
NBR (-29 to 80°C)
2.2 to 6
31.9 to 87
FKM (-7 to 120°C)
DN 80 and
DN 100
(1)
NBR (-29 to 80°C)
2.5 to 6
36.3 to 87
FKM (-7 to 120°C)
Liquid
all
NBR (-29 to 80°C)
FKM (-7 to 93°C)
ERSA01288A0
Yellow
WCB
PN 16 RF
Gas
all
NBR (-29 to 80°C)
5.5 to 13.3
79.8 to 192.8
FKM (-7 to 120°C)
5.5 to 10
79.8 to 145
Liquid
all
NBR (-29 to 80°C)
5.5 to 13.3
79.8 to 192.8
FKM (-7 to 93°C)
5.5 to 10
79.8 to 145
CF8M
PN 16 RF
Gas
all
NBR (-29 to 80°C)
5.5 to 11.2
79.8 to 162.4
FKM (-7 to 120°C)
5.5 to 10
79.8 to 145
Liquid
all
NBR (-29 to 80°C)
5.5 to 11.2
79.8 to 162.4
FKM (-7 to 93°C)
5.5 to 10
79.8 to 145
WCB or CF8M
PN 25/40 RF
ANSI 150/300 RF
Gas
all
NBR (-29 to 80°C)
5.5 to 14.5
79.8 to 210
FKM (-7 to 120°C)
5.5 to 10
79.8 to 145
Liquid
all
NBR (-29 to 80°C)
5.5 to 14.5
79.8 to 210
FKM (-7 to 93°C)
5.5 to 10
79.8 to 145
ERSA01290A0
Red
WCB
ANSI 150 RF
Gas
all
NBR (-29 to 80°C)
13.5 to 15.3
196 to 221.8
Liquid
PN 25 RF
Gas
all
NBR (-29 to 80°C)
13.5 to 20.8
196 to 302
Liquid
CF8M
ANSI 150 RF
Gas
all
NBR (-29 to 80°C)
13.5 to 14.3
196 to 207
Liquid
PN 25 RF
Gas
all
NBR (-29 to 80°C)
13.5 to 17.2
196 to 249
Liquid
WCB or CF8M
PN 40 RF
ANSI 300RF
Gas
all
NBR (-29 to 80°C)
13.5 to 25
196 to 363
Liquid
1. No white spring option is available when the PRV body size is DN 80 / NPS 3 or DN 100 / NPS 4, the blue spring range is 2.5 to 6 bar / 36.3 to 87.0 psig.
2. The maximum control pressure for fluorocarbon (FKM) construction is 10 bar / 145 psig.