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Gas pressure regulator RMG 370

Specific outlet pressure range for diaphragm assembly 0

Setpoint spring	Specific outlet pressure range W_ds in bar
Spring no.	Wire Ø in mm	Colour coding	unit 0
1 2	8.5 10	creme white emerald green	1 to 2.5 2 to 4

Setpoint spring

Specific outlet pressure range

W_ds in bar

Spring
no.

Wire Ø
in mm

Colour
coding

unit 0

8.5

creme white

emerald green

1 to 2.5

2 to 4

Specific outlet pressure range for diaphragm assembly 1

Setpoint spring	Specific outlet pressure range W_dsin mbar
Spring no.	Wire Ø in mm	Colour coding	unit 1*
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17	3.6 4 4.5 4.5 5.3 5.3 6.3 6.3 7 7 7.5 8.5 9 9.5 9.5 10 10	signal blue grey gentian blue yellow bright red brown hazel light red rape yellow dark red light blue rape yellow creme white gentian blue emerald green bright red black	20 to 30 25 to 50 45 to 75 70 to 100 90 to 160 150 to 200 190 to 260 250 to 300 290 to 360 350 to 400 390 to 500 490 to 560 550 to 660 650 to 760 750 to 800 790 to 900 890 to 1000

Setpoint spring

Specific outlet pressure range

W_dsin mbar

Spring
no.

Wire Ø
in mm

Colour
coding

unit 1*

3.6

4.5

5.3

6.3

7.5

8.5

9.5

signal blue

grey

gentian blue

yellow

bright red

brown

hazel

light red

rape yellow

dark red

light blue

rape yellow

creme white

gentian blue

emerald green

bright red

black

20 to 30

25 to 50

45 to 75

70 to 100

90 to 160

150 to 200

190 to 260

250 to 300

290 to 360

350 to 400

390 to 500

490 to 560

550 to 660

650 to 760

750 to 800

790 to 900

890 to 1000

*) Version with incorporated Safety Relief Valve (SRV) or with additional safety diaphragm for outlet pressure ranges only up to p_{d max} 0.5 bar

Specific outlet pressure range for diaphragm assembly 2

Setpoint spring	Specific outlet pressure range W_ds in mbar
Spring no.	Wire Ø in mm	Colour coding	unit 2*
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17	5 6.3 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14	signal blue grey gentian blue yellow bright red brown hazel light red rape yellow dark red light blue rape yellow creme white gentian blue emerald green bright red black	20 to 30 25 to 50 45 to 75 70 to 100 90 to 160 150 to 200 190 to 260 250 to 300 290 to 360 350 to 400 390 to 500 490 to 560 550 to 660 650 to 760 750 to 800 790 to 900 890 to 1000

Setpoint spring

Specific outlet pressure range

W_ds in mbar

Spring
no.

Wire Ø

in mm

Colour
coding

unit 2*

6.3

signal blue

grey

gentian blue

yellow

bright red

brown

hazel

light red

rape yellow

dark red

light blue

rape yellow

creme white

gentian blue

emerald green

bright red

black

20 to 30

25 to 50

45 to 75

70 to 100

90 to 160

150 to 200

190 to 260

250 to 300

290 to 360

350 to 400

390 to 500

490 to 560

550 to 660

650 to 760

750 to 800

790 to 900

890 to 1000

*) Optionally with incorporated Safety Relief Valve (SRV) or with additional safety diaphragm for outlet pressure ranges only up to p_{d max} 0.5 bar

Specific outlet pressure range for diaphragm assembly 3

Setpoint spring	Specific outlet pressure range W_ds in mbar
Spring no.	Wire Ø in mm	Colour coding	unit 3*
1 2 3 4 5 6	7 7.5 9 9.5 11 12	signal blue grey gentian blue yellow bright red brown	20 to 30 25 to 50 45 to 75 70 to 100 90 to 160 150 to 250

Setpoint spring

Specific outlet pressure range

W_ds in mbar

Spring
no.

Wire Ø

in mm

Colour
coding

unit 3*

7.5

9.5

signal blue

grey

gentian blue

yellow

bright red

brown

20 to 30

25 to 50

45 to 75

70 to 100

90 to 160

150 to 250

*) Optionally with incorporated Safety Relief Valve (SRV)

Valve specifications

Pipe sizes	Valve seat Ø in mm	Flow rate coefficient K_G* in m³/(h · bar)		Max. inlet pressure Δ p_{u max} in bar				Face-to-face dimension in mm
		Flow rate coefficient K_G* in m³/(h · bar)		with diaphragm assembly
		without noise reduction	with noise reduction	RE 0	RE 1	RE 2	RE 3
DN 25	25 31	370 460	360 440	20	20			184
DN 50	50 31	1500 900	1300 800	20	20	20		254
DN 80	80 60	3000 2500	2700 2300	20		20	20	298
DN 100	100 80 60	4500 4000 3200	3600 3300 2900			10	10	352
DN 150	140 100	11900 6100	10400 5300				10	451

*) 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_{d_o}	Underpressure W_du
K 1a K 2a	25 mbar to 1.5 bar 400 mbar to 5.2 bar	5 mbar to 120 mbar 60 mbar to 400 mbar

Actuator system

Overpressure

W_{d_o}

Underpressure

W_du

K 1a

K 2a

25 mbar to 1.5 bar

400 mbar to 5.2 bar

5 mbar to 120 mbar

60 mbar to 400 mbar

Accuracy Class and lock -up pressure Class

Outlet pressure range (p_d range)	Accuracy Class AC (diaphragm assembly)	Lock-up pressure Class SG (diaphragm assembly)
RE 3	RE 2	RE1	RE 0	RE 3	RE 2	RE 1	RE 0
20 to 30 mbar > 30 to 100 mbar > 100 to 500 mbar > 0.5 to 1 bar > 1 to 2 bar > 2 to 4 bar	10 10 5	10 10 5 2.5	30 10 5 5	10 5	30 20 10	30 20 10 10	50 30 20 10	20 10

Outlet pressure range

(p_d range)

Accuracy Class

AC (diaphragm assembly)

Lock-up pressure Class

SG (diaphragm assembly)

RE 3

RE 2

RE1

RE 0

RE 3

RE 2