Compressor

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FEATURES:
Gas compressors mountings manufactured by SGIG find the main application in the transfer of gas liquid phase (LPG, propane, butane,ammonia or other industrial gas) from a source tank to a receiving tank. Liquified gas are stored in tanks where liquid and gas phase are present simultaneously. The generation of a differential pressure between the gas phases of two tanks allows the liquid to move from the tank with the higher pressure to the lower one until the pressure is equalized. These compressors are capable to create the required differential pressure between tanks to generate the flow of liquid. A liquid trap is installed in the suction line of the compressor just at the inlet of the compressor with a floating valve : this safety equipment prevents the liquid from entering the compressor generating a potential damage to the mechanics.
The following ancillary equipment can be installed on request :
Liquid high level switch;
min/max pressure switches for LPG;
min pressure pressure switch for oil;
Explosion proof cabinet, ATEX certified.

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REFERENCE STANDARD:

  • PED 97/23/CE;
  • ATEX 94/9/CE;
  • 2006/42/CE;
  • 2004/108/CE;
  • 73/23/CE.

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MAIN COMPONENTS:

  • N.1 Skid steel frame;
  • N.1 Corken compressor;
  • N.1 Electrical motor;
  • N.1 Liquid trap in A105 carbon steel, with mechanical block, floating;
  • N.1 Four way valve, carbon steel, A105;
  • N.1 PRV (brass);
  • N.1 safeguard;
  • N.1 Liquid high level switch – instrinsic safetty - INOX 304 (optional);
  • N.1 min/max pressure switches for LPG or other gas (optional);
  • N.1 min pressure switches for LPG or other gas (optional);
  • N.1 min pressure switch for oil (optional);
  • N.1 ATEX control cabinet , explosion proof, (optional).

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TECHNICAL CHARACTERISTICS:

  • Max operating pressure (PS) : 25bar;
  • Test pressure(PT) : 37,5bar;
  • Operating temperature (TS min/max) : -10°/+50°C(carbon steel);
  • PED cathegory: II^ category.

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FINISHING:
Equipment are protected against corrosion through a first layer of epoxy primer 50μm and a second layer with 50μm poliurethane finishing.
SA 2’’ ½ sand blasting on request.

LIQUID TRANSFER DIAGRAM (Liquid,Propane,37,8°C):


DIAGRAM OF A TYPICAL LPG DISCHARGE PROCESS:



AVAILABLE MODELS:

Model Code Inlet/ outlet connection Fig. A (mm) B (mm) C (mm) Weight (Kg)
91  90/009/91  ¾‘’ BSP/G  1 1020 680 935 330
2 1375 680 1360 390
291  90/009/291  3/4‘’ BSP/G  1 1260 930 985 490
2 1575 930 1370 560
491  90/009/491  1‘’ ¼ BSP/G  1 1280 890 1050 580
2 1560 890 1470 660
691  90/009/691  2” / 1‘’ ½ BSP/G  1 1670 930 1270 900
2 1960 960 1470 980
891  90/009/891  2‘’ BSP/G  1 1650 1160 1600 1150
2 2010 1160 1,6 1290

Note:
Data shown in the table above are for rough indication only. If detailed iformation are requided, please contact out technical department.



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