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    Filters for Filteration of Fuel, Gas or Combustion Air, When Supplying to
Gas Burning System or Gas Consuming Applications, Type FG
DATA SHEET
FG
   
FEATURES :
  • For protection against blockage of devices connected downstream.
  • Very high throughput & high purification efficiency
  • Easy replacement of filter pads
  • Minimal pressure drop across the filter
  • Design in accordance with DIN3386
 
TECHNICAL SPECIFICATIONS :
Body Aluminium Silicon Alloy for Model FG 15-150.
Filter Element Size 50 Micron, polypropylene fleece.
Size 15, 25 mm BSP/ NPT (F) as per DIN 2999.
FG 40 to 150- Flanged construction as per ANSI B16.5 CI. 150RF or DIN 2501-C, PN 16, inlet plug 1/8" NPT, outlet plug 1/8" NPT, test points on cover.
Fluids Compatibility for gas in accordance with DIN DVGW Code of practice G260/1 can be used on air, Natural gas, LPG, Bio-gas.
Operating Pressure 4 to 6 bar up to size 150 mm.
Operating Temperature (-)5° C to (+) 80° C.
Ambient Temperature Maximum 80° C. Keep minimum distance of 20 mm from surrounding walls.
NOTE :
  • The installation can be carried out in to horizontal or vertical pipe line.
    Authorized person must make installation. Check everywhere with soap film or leakage.
  • Give maximum pressure 1.2 times of recommended maximum inlet pressure.
    Exceeding this pressure, may result in bursting of the device.
  • Standard filter pads are available in multiple of 10 for sizes up to 50 mm and in multiple of 5 for sizes 65mm and above. Use only genuine filter pads supplied by AVCON.     

 

 


SPECIFICATION TABLE :
BSP SCREWED DIMENSIONS
Model Size End
Connections
Dimensions Flange Drilling Approx.
Weight
Kgs.
L D H1 H2 D2 K D2 No. of
  mm   mm mm mm mm mm mm mm Holes  
FG 15 15 Rp 1/2 92 88 70 33 -- -- -- -- 0.4
FG 20 20 Rp 3/4 92 88 70 33 -- -- -- -- 0.4
FG 25 25 Rp 1 135 134 73 44 -- -- -- -- 0.8
ANSI TYPE FLANGE DIMENSIONS
FG 40A 40 40 256 182 75 63 127 98 16 4 4.0
FG 50A 50 50 250 182 75 63 152 121 19 4 4.2
FG 65A 65 65 250 182 98 96 178 140 19 4 5.2
FG 80A 80 80 330 262 118 88 191 152 19 4 8.0
FG 100A 100 100 350 262 125 120 229 191 19 8 9.3
FG 150A 150 150 470 355 175 170 279 241 22 8 25.0
DIN TYPE FLANGE DIMENSIONS
FG 40F 40 40 256 182 75 63 150 110 18 4 4.0
FG 50F 50 50 250 182 75 63 165 125 18 4 4.2
FG 65F 65 65 250 182 98 96 185 145 18 4 5.5
FG 80F 80 80 330 262 118 88 200 160 18 8 9.6
FG 100F 100 100 350 262 125 120 220 180 18 8 11.5
FG 150F 150 150 470 355 175 170 285 240 23 8 25.0
 
1
 
VOLUMETRIC FLOW DIAGRAM
SPECIFIC GRAVITY :
Natural Gas 0.62
Town Gas 0.45
LP Gas 1.56
Air 1.0
 
Attention :
When reading the diagram, operating cubic meters must be applied. The
pressure loss as read must be multiplied with the absolute pressure in bar
(excess pressure +1). This is to take the density fluctuations in to considerations.

THE PRESSURE DROP MUST NOT EXCEED 10 mbar.
 

Example :
Excess Gas Rresssure: 4 bar , Operating Flow Rate 150 M³/hr of Natural Gas.
Filter chosen from the diagram : DN 65, the pressure drop read is 1.5 mbar.

REAL PRESSURE DROP : 5 X 1.5 mbar =7.5 mbar The real pressure drop
is less than 10 millibar, therefore, correct size filter has been chosen.

 
Note:
Technical specifications details & dimensions are subject to change without prior notice.
Dimensions in the table are approximate subject to final confirmation by AVCON.
   
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