PGB-50-1-1,2-OG-U1-SG with ACS TP and telemetry

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Destination
Pressure reduction unit PGB-50-1-1,2-OG-U1-SG (assigned for natural gas pressure reduction according to state standard GOST 5542 from high, average to required, its automatic maintenance in the required range, automatic disconnection of gas supply in case of conductive to accident overdraft or reduction of outlet pressure of accepted values and assigned for applying in gas distribution and consuming systems.

Equipment designation:
Pressure reduction unit PGB-50-1-1,2-OG-U1-SG
Technical conditions TU 4859-003-55402257-2009 – pressure reduction block with pressure regulator RDBK-50-35, with main (operating) pipeline and loopline (with bypass),with maximum operating pressure 1,2 МPа, with gas heating, in U1 - climate construction, with metering complex SG-EkVz-R-0,75-250/1,6(1:100), fabricated according to technical conditions TU 4859-003-55402257-2009.
Main technical characteristics
Block is assigned for open-air operating in macroclimate districts with temperate climate U-type construction, placement category 1 according to state standard GOST 15150.
Estimated snow load 180 kgforce/m2 corresponds requirements of III territory region, аnd wind load 48 kgforce/m2 – IV territory region according to SNiP 2.01.07-85.
In the box with technological equipment explosion safety class is – В-1а,
Fire protection safety of the box corresponds NPB 105-03:
– process unit – А;
– heating unit – G;
– telemetry unit – D.
Main parameters and characteristics of the block should correspond the information that is noticed in Table 1.

Table 1

Parameters and characteristics designition

Value

1

2

1 Maximum inlet pressure, МPа

1,2

2 Outlet pressure range Рвых., МPа

0,001…0,06

3 Capacity with inlet pressure 0,1МPа, m3 /hour, not less

900

4 Switching settings for safety blow-off valve PSK, kPа

1,0…5,0

5 Switching setting range of shutoff valve PZK, МPа:

Outlet pressure reduction, МPа

Outlet pressure overdraft, МPа


0,0003…0,003

0,003…0,075

6 Metering complex

SG-EKvz-R-0,75-250/1,6

7 Gas meter

RVG G25

8 Gas volume corrector

ЕК-260

9 Range of measurement Qmin /Qmax

1:100

10 Qmin with Pизб. = 0,0012 МPа, m3/hour

2,5

11 Qmax with Pизб. = 0,0012 МPа, m3/hour

250

12 Range of metering operating pressures, МPа

0,15…0,75

13 Range of gas metering temperature, °С

-20… 60

14 Range of accepted main relative error of volume metering, %

- consumption range from 0,1 Qmax to Qmax

- consumption range from Qmin tо 0,1 Qmax


±1,5

±2,5

15 Acceptable differential pressure on metering complex with maximum consumption Qmax кПа, not more

2,6

16 Maximum differential on filter, кPа, not more

10

17 Gas pressure on the heater, кPа

2

18 Rated heating capacity of the heater, kilowatt

12,2

19 Gas consumption on boiler, m3/hour

1,42

20 Electric supply voltage, V

220

21 Dimensions, not more (LxWxH), m

6,25х2,5х2,8

22 Mass, not more, kg

4500

23 Block service life, years, not less

15

 

Pressure reduction unit PGB-50-1-1,2-OG-U1-SG
Technical conditions TU 4859-003-55402257-2009 – pressure reduction block with pressure regulator RDBK-50-35, with main (operating) pipeline and loopline (with bypass),with maximum operating pressure 1,2 МPа, with gas heating, in U1 - climate construction, with metering complex SG-EkVz-R-0,75-250/1,6(1:100), fabricated according to technical conditions TU 4859-003-55402257-2009.
Main technical characteristics
Block is assigned for open-air operating in macroclimate districts with temperate climate U-type construction, placement category 1 according to state standard GOST 15150.
Estimated snow load 180 kgforce/m2 corresponds requirements of III territory region, аnd wind load 48 kgforce/m2 – IV territory region according to SNiP 2.01.07-85.
In the box with technological equipment explosion safety class is – В-1а,
Fire protection safety of the box corresponds NPB 105-03:
– process unit – А;
– heating unit – G;
– telemetry unit – D.
Main parameters and characteristics of the block should correspond the information that is noticed in Table 1.
Table 1

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