RMG Group: Gas Regulators, Metering, Safety devices, Tables valve specifications, outlet pressure ranges, accuracy class and setting range

Valve specifications

Pipe sizes	Valve seat diameter 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
without noise reduction	with noise reduction
DN 25	25 31	370 460	360 440	20	184
DN 50	50 31	1500 900	1300 800	20	254
DN 80	80 60	3000 2500	2700 2300	20	298
DN 100	100 80 60	4500 4000 3200	3600 3300 2900	20	352
DN 150	140 100	11900 6100	10400 5300	20	451

Pipe sizes

Valve seat diameter

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

without noise reduction

with noise reduction

DN 25

25

31

370

460

360

440

20

184

DN 50

50

31

1500

900

1300

800

20

254

DN 80

80

60

3000

2500

2700

2300

20

298

DN 100

100

80

60

4500

4000

3200

3600

3300

2900

20

352

DN 150

140

100

11900

6100

10400

5300

20

451

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

Specific outlet pressure range with pilot BD-RMG 600

Control stage
	Setpoint spring	Specific outlet pressure range W_ds in bar
Measuring unit	Spring no.	Wire Ø in mm	Colour coding
LP	1047 TX002 TX003	3.7 4.5	blue light blue	15 mbar to 140 mbar 25 mbar to 200 mbar 150 mbar to 500 mbar
MP	1047 TX002 TX003	3.7 4.5	blue light blue	140 mbar to 350 mbar 350 mbar to 2 bar 2 bar to 4 bar
HP	TX002 TX003	3.7 4.5	light blue	700 mbar to 4 bar 4 bar to 8 bar

Control stage

Setpoint spring

Specific outlet
pressure range

W_ds in bar

Measuring unit

Spring
no.

Wire Ø
in mm

Colour coding

LP

1047

TX002

TX003

3.7

4.5

blue

light blue

15 mbar to 140 mbar

25 mbar to 200 mbar

150 mbar to 500 mbar

MP

1047

TX002

TX003

3.7

4.5

blue

light blue

140 mbar to 350 mbar

350 mbar to 2 bar

2 bar to 4 bar

HP

TX002

TX003

3.7

4.5

light blue

700 mbar to 4 bar

4 bar to 8 bar

Specific outlet pressure range with pilot RMG 610 (RS 10d)

Load-limiting stage	Control stage
Measuring unit	Wire Ø in mm	Specific outlet pressure range W_ds in bar	Measuring unit	Wire Ø in mm	Colour coding	Outlet pressure range W_ds
M	3.3 (green)	0.1 to 1.5	N	2.5 3 3.5 4 5	white yellow green red blue	10 mbar to 40 mbar 20 mbar to 60 mbar 40 mbar to 120 mbar 80 mbar to 200 mbar 100 mbar to 500 mbar
4.7 (silver)	0.5 to 5	M	3.3 4 4.7	green blue brown	300 mbar to 1.5 bar 1 to 2.5 bar 2 to 3.5 bar

Load-limiting stage

Control stage

Measuring unit

Wire Ø
in mm

Specific outlet pressure range

W_ds in bar

Measuring unit

Wire Ø
in mm

Colour coding

Outlet
pressure range

W_ds

M

3.3

(green)

0.1 to 1.5

N

2.5

3

3.5

4

5

white

yellow

green

red

blue

10 mbar to 40 mbar

20 mbar to 60 mbar

40 mbar to 120 mbar

80 mbar to 200 mbar

100 mbar to 500 mbar

4.7

(silver)

0.5 to 5

M

3.3

4

4.7

green

blue

brown

300 mbar to 1.5 bar

1 to 2.5 bar

2 to 3.5 bar

Specific outlet pressure range with pilot RMG 650

	Setpoint spring	Specific outlet pressure range W_ds in bar
Spring no.	Wire Ø in mm	Colour coding
Control stage	2 3 4	4.5 5 6.3	black grey brown	1 to 5 2 to 10 5 to 15
Automatic load-limiting stage		5	green	to 15 automatic 0.5 above p_d

Setpoint spring

Specific outlet
pressure range

W_ds in bar

Spring
no.

Wire Ø
in mm

Colour coding

Control stage

2

3

4

4.5

5

6.3

black

grey

brown

1 to 5

2 to 10

5 to 15

Automatic load-limiting stage

5

green

to 15

automatic 0.5 above p_d

Accuracy Class and lock -up pressure Class

Outlet pressure range (p_d range)	Accuracy Class AC	Lock-up pressure Class SG
10 to 20 mbar > 20 to 50 mbar > 50 to 500 mbar > 0.5 to 2.5 bar > 2.5 to 5 bar > 5 bar	10 5 5 2.5 1 1	50 20 10 10 10 5

Outlet pressure range

(p_d range)

Accuracy Class

AC

Lock-up pressure Class

SG

10 to 20 mbar

> 20 to 50 mbar

> 50 to 500 mbar

> 0.5 to 2.5 bar

> 2.5 to 5 bar

> 5 bar

10

5

2.5

1

50

20

10

5

Setting range of SSV control element

Actuator system	Overpressure W_{d_o}	Underpressure W_du
K 1a K 2a K 16 K17	50 mbar to 2.3 bar 400 mbar to 7 bar 2 to 20 bar	10 mbar to 300 mbar 60 mbar to 1 bar 2 bar to 15 bar

Actuator system

Overpressure

W_{d_o}

Underpressure

W_du

K 1a

K 2a

K 16

K17

50 mbar to 2.3 bar

400 mbar to 7 bar

2 to 20 bar

10 mbar to 300 mbar

60 mbar to 1 bar

2 bar to 15 bar