The Fog Engineers H.Ikeuchi & Co.,LTD

Large Capacity Fine Fog Nozzles/ Full Cone Spray GSIMⅡ series nozzles

Thread standard - Pipe conn. size 1*1/4T10 - 2T10 Standard pressure -
Spray angle 20 - 60° Spray capacity 70 - 1,600 ℓ/hr(*1) Supply air type Compressed air
Liquid feeding system Liquid pressure Mean droplet diameter - Air consumption 340 - 5,800N ℓ/min(*2)
Air pressure - Free passage diameter 1.8 - 4.0 mm(*3)


• Full cone pneumatic spray nozzle producing large amount of "fine fog".
• Energy-saving design - mean droplet diameter of 50 μm and a maximum droplet diameter of 150 μm (*4) at an air-water ratio of 130.
• Large turn-down ratio.
• Spray angle is 20゚ and 60゚.

*1) Measured at compressed air pressure of 0.3 MPa and liquid pressure of 0.2-0.5 MPa.
*2) Measured at compressed air pressure of 0.3-0.4 MPa.
*3) Free passage diameter of liquid inlet for GSIMⅡ60゚ spray angle type.
*4) Measured by Laser Doppler Method.


Cooling: Gas, moldings, refractories
Moisture control: Gas, concrete
Combustion: Oil, waste fluid
Dust suppression: Recycling facilities, material facilities, moldings

[Steelmaking industry]
Iron making process: Cooling flue gas before gas turbine, Cooling refractories at maintenance, Dust suppression at casting of pig iron
Steel making process: Cooling converter shell at maintenance, Flue gas cooling on electric furnace, Dust suppression at casting of steel
Rolling mill and surface finish process: Cooling flue gas from heating furnace, Dust suppression on rolling mill outlet

*1) Measured by Laser Doppler Method

Industries in which this nozzle is used

Steelmaking, Pollution control

Product specifications

Structure • Comprising several parts : Spray tip, whirler, adaptor, outer pipe (for air), inner pipe (for liquid), etc.
• Internal mixing type designed to mix compressed air and liquid inside the nozzle (Outer air type : Liquid flows in the center of the nozzle, while compressed air flows along its circumference).
• Liquid pressure type.
Material • Nozzle tip, nozzle core, nozzle adaptor, outer pipe (for air): S316L
• Inner pipe (for liquid), joint, socket, bolt: S304
• Whirler: S316L equivalent
• O-ring: FKM
• Packing: Metal wire reinforced AES wool
• Flange: SCS13(S304)


Air consumption code Nozzle length Mass(g)
37・55 A 1,300
B 1,600
C 2,000
D 2,400
75・110 A 1,800
B 2,300
C 2,800
D 3,300
150・220 A 2,500
B 3,100
C 3,700
D 4,300

Nozzle length

Type Total length L1(mm)※ Length L2 (mm)
A 560 300~400
B 760 400~600
C 960 600~800
D 1,160 800~1,000

・L1 shows the standard length
・The mass shown is when dimension is our standard length and does not include flange.
・For longer lengths, please add 180 g for the GSIM air consumption code 37/55, 300 g for GSIM 75/110, per 100 mm of L1 length.

Outer dimensions

No. Components Standard materials
tip S316L
core S316L
whirler S316L equivalent
nozzle adaptor S316L
outer pipe (for air) S316L
Inner pipe (for liquid) S304
joint S304
Liquid Socket S304
Air socket S304
O-ring FKM
Packing Metal wire reinforced AES wool
Flange SCS13(S304)
Bolt S304

Dimensions and Pipe connection sizes

Spray angle code Air consumption code Pipe conn. size Outer diameter φD (mm)
Air Liquid
37 3/8F 3/8F 30
75 1/2F 1/2F 38
150 3/4F 50

• Appearance and dimensions may differ depending on nozzle codes and materials. Please contact us for details.


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