Portable High Expansion Generator

The NF-HEFG, High Expansion Foam Generators are powered by a water turbine. These are designed to expand the foam solution with Expansion ratios up to 1000:1, depending upon the solution flow rate and the water pressure. However, the optimum expansion ratio is in the range of 500:1 up to 700:1.

The High Expansion Foam Generator requires no other source of power such as electricity or gasoline engines. They are powered by the foam solution driving a hydraulic (water) motor or turbine.

The expansion of foam solution is achieved by spraying the solution onto a nylon net/stainless steel screen, then an air stream created by the fan attached to the motor blows air through the screen to produce a mass of foam bubbles.

The continuous flow of the foam solution plus the movement of air through the screen will produce large volumes of finished foam. Portable systems are having its own proportioning system whereas the fixed systems are to be used with the fixed proportioning system.

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Features
  • Can produce well-formed and high quality foam.
  • No external source of power is required.
  • Corrosion resistant pipe work and fittings.
Specifications

Model

Type

Inlet Pressure,

bar

Water Flow,

LPM

Foam Production

cmm

Foam Expansion Ratio

Standard Performance Data (with 3% Concentrate)

 

 

NF-HEFG-100P

 

Portable

3.5

135

34

250

5.0

165

83

500

7.0

200

120

600

NF-HEFG-FRP-300P

Portable with System Induction

 

 

By-Pass System CLOSED

4.0

180

77

425

5.5

210

121

575

7.0

235

165

700

10.0

280

224

800

 

 

By-Pass System OPEN

 

Total

By-pass

 

 

4.0

200

50

68

450

5.5

220

55

112

675

7.0

255

65

162

850

10.0

290

80

210

1000

NF-HEFG-SSI-300P

Portable with System Induction

 

 

 

By-Pass System CLOSED

4.0

195

78

400

5.5

225

124

550

7.0

250

168

670

10.0

290

226

780

 

 

By-Pass System OPEN

 

Total

By-pass

 

 

4.0

215

53

85

430

5.5

235

58

118

670

7.0

268

69

159

800

10.0

305

85

211

960

 

NF-HEFG-SS-300P

 

Portable without System Induction

5.0

260

169

650

6.0

290

206

710

7.0

320

256

800

Resources

Product Manual

Download

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