IKEUCHI USA, Inc. The Fog Engineers

Spillback nozzles(Large flow, high-pressure return) GSPB series nozzles

Pipe conn. size Rc1*1/2 Spray angle 90–130゚ Mean droplet diameter 132–151 μm
Strainer Not included Standard pressure 3.5 MPa Spray capacity 16.7–167 ℓ/min
Air consumption - Free passage diameter 5.7 mm


• Large spray capacity type in SPB series (high-pressure return nozzles).
• The turndown ratio of spray capacity is 1:10.
• The variation in spray droplet sizes is minimized.


• Cooling for circulating fluidized bed flue gas desulfurization

Industries in which this nozzle is used

• Pollution control

Product specifications

Structure • Spray capacity can be controlled by opening/closing the return flow valve while supply pressure is kept constant.
Material • Nozzle orifice: Tungsten carbide
• Protection pipe: Stainless steel 316
• Optional material: Stainless steel 316L, Stainless steel 304, Stainless steel 440C


Outer dimensions

GSPB series

• Please inquire with us for the total length (L2) and the length between the nozzle head and flange (L1).
• Appearance and dimensions may differ depending on materials and nozzle codes. Inquire with us for details.

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How to order

Have a question? We don’ t provide cataloge items. We can provide custom-made products to meet your requirements.

Please inquire or order for a specific nozzle using our coding system.
The coding system is described in our catalog downloadable by clicking "Catalog" button placed below.
You can also contact us for further information to find suitable products.