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PGB-15NV-2-1.2-OG-U1-SG gas regulating unit
Application:
PGB-15NV-2-1.2-OG-U1-SG gas regulating unit together with KI-STG-100/400 gas flow measuring skid is designed for gas purification from mechanical impurities, commercial gas flow measuring, pressure reducing from high to medium 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, automatic collection, recording and remote transmission of information about the unit operation. The unit is applied in gas distribution and gas consumption systems..
Name of the unit:
PGB-15NV-2-1.2-OG-U1-SG gas regulating unit is based on RDG-80N and RDG-80V pressure regulators; as well this unit is equipped with two outlets for medium and low pressure, main (working) and backup (bypass) pipelines, with maximum working pressure of 1.2 MPa, with gas heating equipment and climatic version for moderate climate (N1) together with KI-STG-100/400 gas flow measuring skid.
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 (A) of the unit complies with the Russian fire safety regulations NPB 105-03.
Table 1
| Name of parameter | Value | ||
| 1 | 2 | ||
| 1 Maximum inlet pressure, MPa | 1,2 | ||
| 2 Setting range of regulator outlet pressure, MPa | Outlet 1 Рout.1 | 0,0015…0,06 | |
| Outlet 2 Рout.2 | 0,06…0,6 | ||
| 3 Maximum total capacity (Qmах= Qmах1outlet+Qmax 2outlet) (for gas with density ρ=0.73kg/m³), m³/h | 5200 | ||
| 4 Setting range for the spring-loaded dump valve actuation, kPa | Outlet 1 | A spring installed in the spring-loaded dump valve A spring from the set of the spring-loaded dump valve |
1,0…5,0 5,0…20 |
| Outlet 2 | A spring installed in the spring-loaded dump valve A spring from the set of the spring-loaded dump valve |
300…700 125…300 |
|
| 5 Setting range for the safety shut-off valve actuation, kPa | Outlet 1 | during decreasing of outlet pressure Рout.1 during increasing of outlet pressure Рout.1 |
(0,15…0,5)Р(from 0.15 to 0.5)Рout1 (from 1.25 to1.5)Рout1 |
| Outlet 2 | during decreasing of outlet pressure Рout.2 during increasing of outlet pressure Рout.2 |
(from 0.15 to 0.5) Рout2 (from1.25 to 1.5) Рout2 |
|
| 6 Gas flow measuring skid | КI-ST-TS-B-100/400-16А-I-M | ||
| 7 Gas meter | STG-100-400 | ||
| 8 Gas volume corrector | BК-16АI (1.6 MPa) | ||
| 9 Measuring range Qmin /Qmax | 1:30 | ||
| 10 Qmin under excessive pressure Pex. = 0.0012 MPa, m3/h | 13 | ||
| 11 Qmax under excessive pressure Pex. = 0.0012 MPa, m3/h | 400 | ||
| 12 Working pressure range, MPa | 0,16…1,6 | ||
| 13 Gas temperature range, °С | -30…+50 | ||
| 14 Limits of allowable relative error of volume measuring, %: - flow range from 0.2 Qmax to Qmax - flow range from Qmin to 0.2 Qmax |
±1,5 ±2,5 |
||
| 15 Allowable pressure differential in the measuring system at maximum capacity Qmax, kPa, not more | 1,150 | ||
| 16 Maximum filter differential, kPa, not more | 10 | ||
| 17 Gas pressure in the heater, kPa | 2,5 | ||
| 18 Nominal heat power of the heater, kW | 2,35 | ||
| 19 Capacity of the heater, m3/h | 0,32 | ||
| 20 Overall dimensions, not more (LxWxH), m | 4,53х3,12х3,0 | ||
| 21 Weight, not more, kg | 5000 | ||
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