The IJFFG bladder tank is a carbon still pressure vessel containing an elastomeric separation bladder between the water and foam concentrate. The bladder permits water pressure tube transfer to the foam concentrate without the two fluids mixing together.

Photo 4

A IJFFG ration controller, as described in a separate date sheet, generates a water pressure drop by means of a reduced cross section where t water stream passes througt it . As the foam concentrate pressure is higher than the pressure at the tation controller , the foam starts flowing towarsa the water and mixing at a calibtated tatewhich is dependant on the water flow rate.

5

Construction Features

  • Vertical type on legs or horizontal type on saddles . Legs and saddles are provided with fixing holes .
  • Design pressure 175 psi(12 bar ).
  • 100% pressure tested according to the applied design code but not less than 251 psi. Water and foam piping ( stainless stell as option )
  • Machine welded circuferantial and longitudinal seams for maximum quality and durability
  • Welded lifting lugs for easy handling operations
  • Welded lifting lugs for easy handling operations
  • Thermal relief valve provided on the water side
  • Tank equipment with inside protection at any opening to ensure no damage to the
  • bladder. Nameplate in corrosion resistant material .
  • Nameplate holder to avoid undetected corrosion on the tank's sheel behind the plate

Options:

  • Mixing ration selector 3% and 6%
  • Flange size :According to customer require from 2 1/2" inch -8 inch
  • Flow rate :According to customer requirement

STANDARD DESIGN DATE.
Design pressure : 175 psi(12 bar)
Test pressure: 251 psi(17.3 bar)
Capacity: see tables

Two different design of foam bladder, contents List:

Design A(Vertical Foam Bladder):

6
7
CapacityLWHHD
500L92011451820860810
1000L1190134521008901010
1500L1290144024109001105
2000L1400154526109001212
2500L1525164727209151312
3000L1620180528559301416
4000L1830201028759701616
QQ20241101185007
QQ20241101185024

Design B(Horizontal Foam Tank):

5
6

Specification:

CapacityLWHHD
1000L195512501540930910
1500L2230135016409301010
2000L2485145017409301112
2500L3010145017409301112
3000L3040161018809601216
4000L3430171019809601316
5000L3670181020809601420
6000L3830191021809601520
7000L3935201022809601620
8000L4300201022809601620
10000L4625222024809604625
3
4

Application:

The IJFFG bladder tank, together with ration controllers , form a balanced pressure proportioning system used to mix water and fire fighting foam together to generate an effective extinguishing media to mix water and fire fighting foam together to generate an effective extinguishing medium.

The bladder tank technology is a reliable and precise mixing method that is wide spread in the fire fighting industry. This method allows the water/foam ration to remain stable by automatically adjustin the variable flow rates and pressure conditions that may occur durinosystem operation.

This feature makes bladder tank particularly suitable for multiple hazard systems ,sprinkler systems and any other system operationg under variable , non predictable flow and pressure conditions.

3