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RMG 505 Gas Pressure Regulator

Valve specifications

Pipe sizes DN	Valve seat diameter in mm	Flow rate coefficient K_G* in m³/(h · bar)	Face-to-face dimension in mm
50/100 80/150 100/200	50 80 100	1,700 4,600 7,000	380 550 550

Pipe sizes

Valve seat diameter

in mm

Flow rate coefficient

K_G* in m³/(h · bar)

Face-to-face dimension in mm

50/100

80/150

100/200

100

1,700

4,600

7,000

380

550

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

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

	Setpoint spring			Specific outlet pressure range W_ds in bar
	Spring no.	Wire Ø in mm	Colour coding	Specific outlet pressure range W_ds in bar
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
Control stage with metal-harmonica	6 7	8/7 9	green white	10 to 50 20 to 90
Automatic load limiting stage		5	green	0.5 to 15 automatic: above p_d

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	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

2.5

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

Outlet pressure range (p_drange) in bar	Accuracy Class AC	Lock-up pressure Class SG
0.3 to 1 > 1 to 3 > 3 to 5 > 5 to 10 > 10 to 40 > 40	20*/30 20 10 5 2.5 1	30*/50 30 20 10 10 5

Outlet pressure range

(p_drange) in bar

Accuracy Class

Lock-up pressure Class

0.3 to 1

> 1 to 3

> 3 to 5

> 5 to 10

> 10 to 40

> 40

20*/30

2.5

30*/50

*) Better accuracy and lock-up pressure classes apply if inlet pressure variation < 8 bar.
**) Type with larger measuring diaphragm.

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	Specific outlet pressure range W_ds in bar
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
Control stage with metal-harmonica	6 7	8/7 9	green white	10 to 50 20 to 90
Automatic load-limiting stage		5	green	0.5 to 15 automatic: above p_d

*) Type with larger measuring diaphragm

Accuracy Class and lock -up pressure Class with pilot RMG 650 (single /double stage ) for monitor device

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

Outlet pressure range

(pd range) in bar

Accuracy Class

Lock-up pressure Class

0.3 to 0.5

> 0.5 to 1

> 1 to 2.5

> 2.5 to 5

> 5

2.5

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RMG 505

Tables with valve data and outlet pressure ranges

RMG 505 Gas Pressure Regulator

Valve specifications

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

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

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

Specific outlet pressure range with pilot RMG 650

Accuracy Class and lock -up pressure Class with pilot RMG 650 (single /double stage ) for monitor device

RMG 505

Technical description

Cut-away views

Operation & maintenance, spare parts