PGB-50-2-1.2-OG-U1-PG gas regulating unit

ПГБ-50-2-1,2-ОГ-У1-ПГ

Application:
PGB-50-2-1.2-OG-U1-PG gas regulating unit is designed to reduce high and medium natural gas pressure to a low one and automatic maintenance of this pressure within the specified limits, automatic gas supply shut-off during an emergency increasing or decreasing of outlet pressure beyond allowable values, gas purification from mechanical impurities and gas temperature maintenance within the set range. The unit is applied in gas distribution and gas consumption systems.
Name of the unit:
PGB-50-2-1.2-OG-U1-PG gas regulating unit is equipped with RDBK 1P-50/25 pressure regulator and gas heating equipment. As well this unit has two pressure reducing pipelines, with maximum working pressure of 1.2 MPa. A climatic version for this unit is moderate climate (N1).
Basic technical data and description:
The unit is designed for operation outdoors in macroclimatic areas with moderate climate (N) and the 1st location category.
Designed snow load 180 kgf/m2 conforms the requirements of the 3rd territorial area; wind load 30 kgf/m2 as well conforms the requirements of the 2nd territorial area.
In the compartment with processing equipment explosion hazard area class is V-1a and complies with the requirements of the Russian Electrical Code (PUE). Fire hazard category of the compartment with technological equipment is explosion hazard, A (the Russian fire safety regulations NPB 105-03). Fire hazard category of the compartment with heating supply system and ACS TP of the unit is G (the Russian fire safety regulations NPB 105-03).
Basic technical parameters and description of the unit are to comply with the data in the below shown Table.

Name of parameter Value

1 Maximum inlet pressure, MPa

1,2

2 Setting range of outlet pressure, MPa

от 0,03 до 0,6

3 Throughout capacity under inlet pressure 0.1 MPa, m3/h, not less

300

4 Outlet pressure setting, MPa

 

5 Setting range for the spring-loaded dump valve actuation, kPa

от 300 до 700

6 Settings for the spring-loaded dump valve actuation, kPa

 

7 Setting range for the safety shut-off valve actuation, kPa

during decreasing of outlet pressure Рout.

during increasing of outlet pressure Рout.

 

от 0,003 до 0,03

от 0,03 до 0,75

8 Settings for the safety shut-off valve actuation, MPa

max

min

9 Maximum filter differential, kPa, not more

5

10 Voltage of main power supply, V

220

11Voltage of emergency power supply, V

220

12 Weight, kg, not more

4000

13 Overall dimensions, not more (LxWxH), m

6,0х2,65х3,0

14 Service life, years, not less

15

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