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Gas pressure regulator RMG 218 (D 118aV)

Valve specifications

Intermediate pressure stage

Valve seat Ø in mm

2

3.7

5.5

8

10

KG* in m³/(h · bar)

4.5

15

35

65

90

Control stage

Valve seat Ø in mm

1.5

3.5

4.8

6

7

10

KG* in m³/(h · bar)

2.5

14

25

38

50

90

*) Flow rate coefficient for natural gas: (ρb = 0.83 kg/m³, t =15 °C)

Specific outlet pressure range measuring unit 2nd control stage

Measuring
unit

Specific outlet
pressure range

Wds

Spring

Wire Ø

in mm

SRV setting range

(above pd)

Intermediate
pressure
stage

0.1 to 1.5 bar

3.3 (green)

0.5 to 5 bar

5 (silver)

Control
stage
G

8 to 12 mbar

10 to 40 mbar

F1

F2

2.5

3.2

10 to 40 mbar

30 to 100 mbar

F3

4

40 to 90 mbar

30 to 250 mbar

F4

4.5

40 to 90* mbar

90 to 150** mbar

50 to 500 mbar

F5

5.6

40 to 90* mbar

90 to 150** mbar

0.1 to 1 bar

0.2 to 1.8 bar

0.3 to 2 bar

F6

F7

F8

6.5

8

9


without SRV

Control
stage
GS

0.25 to 2.5 bar

0.35 to 3.5 bar

F7

F8

8

9


without SRV

*) only up to valve seat Ø 7 mm
**) only up to valve seat Ø 10 mm

Suitable control valves – 1st stage (broken down by types of connection and inlet pressures)

Connection

Inlet and outlet

Valve seat – pilot stage

Suitable up to inlet pressure in bar

50

50

25

3/4" male / 11/4" female


Valve Ø

F2; F3.7; F5.5

F8

F10

Pipe Ø 10 / 11/4" female

-

-

Pipe Ø 12 / 11/4" female

F8

-

Pipe Ø 16 / 11/4" female

F8

F10

RMG 218 (D 118aV)

Tables valve data, outlet pressure range and control valves

Operation & maintenance, spare parts

to product flash