PGB-50-1-1.2-OG-U1-SG gas regulating unit with ACS TP and remote measurement

ПГБ-50-1-1,2-ОГ-У1-СГ с САУ ТП и телеметрией

Application:
PGB-50-1-1.2-OG-U1-SG 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. The unit is applied in gas distribution and gas consumption systems.
Name of the unit:
PGB-50-1-1.2-OG-U1-SG gas regulating unit is equipped with RDBK-50-35 pressure regulator, SG-EKvz-Р-0.75-250/1.6 (1:100) gas flow measuring skid and a gas heating. As well this unit has a main (working) and a backup (bypass) pipelines, with maximum working pressure of 1.2 MPa, a climatic version for 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 48 kgf/m2 as well conforms the requirements of the 4th 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 unit complies with the Russian fire safety regulations NPB 105-03.
– in technological compartment – А;
– in a heating compartment – G;
– in compartment with processing equipment – D.
Basic technical parameters and description of the unit are to comply with the data in the below shown Table.

Name of parameter

Value

1

2

1 Maximum inlet pressure, MPa

1,2

2 Setting range of regulator outlet pressure, MPa

0,001…0,06

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

900

4 Setting range for the spring-loaded dump valve actuation

1,0…5,0

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

during decreasing of outlet pressure Рout.

during increasing of outlet pressure Рout.

 

0,0003…0,003

0,003…0,075

6 Gas flow measuring skid

SG-EKvz-Р-0.75-250/1.6

7 Gas meter

RVG G25

8 Gas volume corrector

ЕК-260

9 Measuring range Qmin /Qmax

1:100

10 Qmin under excessive pressure Pex. = 0.0012 MPa, m3/h

2,5

11 Qmax under excessive pressure Pex. = 0.0012 MPa, m3/h

250

12 Working pressure range, MPa

0,15…0,75

13 Gas temperature range, °С

-20…+60

14 Limits of allowable relative error of volume measuring, %:

- flow range from 0.1 Qmax to Qmax

- flow range from Qmin to 0.1 Qmax

 

 

±1,5

±2,5

15 Allowable pressure differential in the measuring system at maximum capacity Qmax, kPa, not more

2,6

16 Maximum filter differential, kPa, not more

10

17 Gas pressure in the heater, kPa

2

18 Nominal heat power of the heater, kW

12,2

19 Capacity of the heater, m3/h

1,42

20 Voltage, V

220

21 Overall dimensions, not more (LxWxH), m

6,25х2,5х2,8

22 Weight, not more, kg

4500

23 Service life, years, not less

15

 

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