M Series mother-station compressor

 
 
       
 

2 Applications
With symmetrical balanced configuration, the unit M-3/12-250 is designed especially for CNG refueling mother station, which is air cooling, integral enclosed, skid-mounted. The use of automatic control system in PLC makes it high-degree in automatization, easy in operation, reliable and safe in running and convenient in maintenance. The unit has compact structures and complete functions. All the assembling and commission are completed in the manufacturing plant, and it is convenient for transportation and outdoor installation.
The unit compresses natural gas in the inlet condition to high pressure and fills the gas storage bottles of CNG station or truck-mounted gas storage bottle directly through priority/sequencing control panel.

 
       
 
       
 

2 OPERATING CONDITIONS :
Inlet temperature: Ambient temperature
Inlet pressure scope: 0.6-9.0MPa (g)
Discharge pressure: 25MPa (g)
Discharge temperature: 鈮mbient temperature+15%
Gas supply capacity: 1200-5000Nm3/h










2 FEATURES :
Heavy-loaded frame, reasonable internal rib configuration and the Max. Frame power is 500kW
All running gears is forged with high quality alloy steel
The unit is overall air cooling or air-water combination cooling, skid-mounted enclosure structure, easy to install
With sound insulation enclosure of specially design the external noise is lower than 76dBA
PLC control system monitors the status, temperature and pressure, automatic start-up and shutdown of the unit is realized
The unit is equipped with reliable safety devices, all electrical components are in conformity to the Ex-proof requirements of natural gas environment
The skid-mounted sound enclosure is equipped with roof rail, pulley and Ex-proof lamp inside
Gas valves and packing of international brands assure reliable quality and long service life.

 
       
 
 

Specifications

Main frame

Main motor

Model

M-3/3-250

Model

YB355L3-6

Type

4 column symmetrical balance piston type

Type

Ex-proof three-phase asynchronous motor

Compression media

Clean, dry natural gas

Voltage

380V

Running speed

1000rpm

Power

280-500kW

Stroke of piston

105mm

Rotary speed

980r/min

Rotation

Clockwise(view from flywheel end )

Ex-proof grade

d鈪T4

Inlet pressure

0.6-1.2MPa(g)

Protection grade

IP54

Discharge volume

1200-2200m3/h

Insulation grade

2500kg

Discharge pressure

25.0MPa

Weight

F

Stages of compression

3 stages compression

Length

5000mm

Inlet temperature

鈮40鈩

Width

3140mm

Discharge temperature of each stage

鈮160鈩

Height

4180mm

Cooling type of compression media

Forced cooling (air cooling )

Weight of the unit

19000kg

Lubrication mode

Pressure lubrication

 

Lubrication type of cylinder

Lubricator

Volume of lubrication oil

鈮120g/h

 
 
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