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Gas pressure regulator RMG 402

Specific outlet pressure range with pilot RMG 620

Pilot	Setpoint spring	Specific outlet pressure range W_ds in bar
Spring no.	Wire Ø in mm	Colour coding
Incorporated pilot	2 3 4 5 6	3.6 5.6 6.3 7 8/7	blue yellow brown red green	0.02 to 0.15 0.1 to 0.5 0.2 to 1 0.5 to 2 1 to 4

Pilot

Setpoint spring

Specific outlet pressure range

W_ds in bar

Spring
no.

Wire Ø

in mm

Colour coding

Incorporated pilot

3.6

5.6

6.3

8/7

blue

yellow

brown

red

green

0.02 to 0.15

0.1 to 0.5

0.2 to 1

0.5 to 2

1 to 4

Specific outlet pressure range with pilot RMG 630

	Setpoint spring	Specific outlet pressure range W_ds in bar
Spring no.	Wire Ø in mm	Colour coding
Control stage	0 1 2 3 4 5	4.5 3.6 4.5 5 6.3 7	black blue black grey brown red	0.3 to 1* 0.5 to 2 1 to 5 2 to 10 5 to 20 10 to 40
Automatic load limiting stage		5	green	0.5 to 15 automatic: above p_d

Setpoint spring

Specific outlet pressure range

W_ds in bar

Spring
no.

Wire Ø
in mm

Colour coding

Control stage

4.5

3.6

4.5

6.3

black

blue

black

grey

brown

red

0.3 to 1*

0.5 to 2

1 to 5

2 to 10

5 to 20

10 to 40

Automatic load limiting stage

green

0.5 to 15

automatic: above p_d

Specific outlet pressure ranges with pilot RMG 630-1 (formerly RMG 640)

	Setpoint spring	Specific outlet pressure range W_ds in bar
Spring no.	Wire Ø in mm	Colour coding
Control stage	0 1 2 3 4 5	4.5 3.6 4.5 5.6 6.3 7	black blue black grey brown red	0.3 to 1* 0.5 to 2 1 to 5 2 to 10 5 to 20 10 to 40

Setpoint spring

Specific outlet pressure range

W_ds in bar

Spring
no.

Wire Ø
in mm

Colour coding

Control stage

4.5

3.6

4.5

5.6

6.3

black

blue

black

grey

brown

red

0.3 to 1*

0.5 to 2

1 to 5

2 to 10

5 to 20

10 to 40

*) Type with larger measuring diaphragm

Accuracy Class and lock-up pressure Class with pilot RMG 620

Outlet pressure range (p_d range )	Accuracy Class AC	Lock-up pressure Class SG
20 mbar to 30 mbar > 30 mbar to 100 mbar > 100 mbar to 500 mbar > 500 mbar to 2.5 bar > 2.5 bar to 4 bar	10/20 5/10 5*/10 5 1	30/50 20/30 10*/20 10 10

Outlet pressure range

(p_d range )

Accuracy Class

Lock-up pressure Class

20 mbar to 30 mbar

> 30 mbar to 100 mbar

> 100 mbar to 500 mbar

> 500 mbar to 2.5 bar

> 2.5 bar to 4 bar

10*/20

5*/10

30*/50

20*/30

10*/20

*) Better accuracy and lock-up pressure classes apply if inlet pressure variation < 8 bar.

Accuracy Class and lock -up pressure Class with pilot RMG 630

Outlet pressure range (p_d range ) in bar	Accuracy Class AC	Lock-up pressure Class SG
0.3 to 0.5 > 0.5 to 1 > 1 to 5 > 5 to 90	20 10 2.5 1	30 20 10 5

Outlet pressure range

(p_d range ) in bar

Accuracy Class

Lock-up pressure Class

0.3 to 0.5

> 0.5 to 1

> 1 to 5

> 5 to 90

2.5

Accuracy Class and lock -up pressure Class with pilot RMG 630-1 (formerly RMG 640)

Outlet pressure range (p_d range ) in bar	Accuracy Class AC	Lock-up pressure Class SG
0.3 to 1 > 1 to 3 > 3 to 5 > 5	20*/30 20 10 2.5	30*/50 30 20 10

Outlet pressure range

(p_d range ) in bar

Accuracy Class

Lock-up pressure Class

0.3 to 1

> 1 to 3

> 3 to 5

> 5

20*/30

2.5

30*/50

*) Better accuracy and lock-up pressure classes apply if inlet pressure variation < 8 bar.

Valve specifications

Pipe sizes	DN 25	DN 50	DN 50/ DN 100	DN 80	DN 80/ DN 150	DN 100	DN 100/ DN 200
K_G value* in m³/(h · bar)	350	1300	1500	3500	3800	5200	5500
Face-to-face dimension in mm for:
DIN and Class 150 ANSI 16.5	184	254	310	298	400	352	430
Class 300 ANSI 16.5	-	267	310	318	400	368	430

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

Setting range of SSV control element

Actuator system	Overpressure W_do in bar	Underpressure W_du
K 1a K 2a K 4 K 5 K 6 K 10a K 16 K 17	0.05 to 1.5 0.4 to 5.2 0.04 to 0.5 0.2 to 1.5 0.6 to 4.5 0.05 to 1.5 0.8 to 40	10 to 120 mbar 60 to 400 mbar 5 to 60 mbar 15 to 120 mbar 40 to 300 mbar 10 to 120 mbar 2 to 40 bar

Actuator system

Overpressure

W_do in bar

Underpressure

W_du

K 1a

K 2a

K 4

K 5

K 6

K 10a

K 16

K 17

0.05 to 1.5

0.4 to 5.2

0.04 to 0.5

0.2 to 1.5

0.6 to 4.5

0.05 to 1.5

0.8 to 40

10 to 120 mbar

60 to 400 mbar

5 to 60 mbar

15 to 120 mbar

40 to 300 mbar

10 to 120 mbar

2 to 40 bar

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RMG 402

Tables valve data, outlet pressure range, accuracy class and setting range

Technical description

RMG_402_00_CN_2006_11

RMG_402_00_DE_2006_11

RMG_402_00_EN_2006_11

RMG_402_00_ES_1998_02

RMG_402_00_IT_1999_11

RMG_402_00_PL_2001_07

RMG_402_00_RU_2006_11

Cut-away views

RMG_402_s

Operation & maintenance, spare parts

RMG_402_20_DE_2000_01

RMG_402_20_EN_2000_01

RMG_402_20_NL_2000_01

RMG_402_20_PL

RMG_402_20_RU_2000_01