GJ 4 Tank Cleaning

Application

The Alfa Laval GJ 4 is part of the world-renowned Gamajet range of high impact tank cleaning devices. The device provides high-impact cleaning for large-sized tanks with diameters over 4.6 m (15’). This device is fully capable of high-concentration chemical recirculation cleaning and high-pressure, low-volume water jet scrubbing in fixed, automated CIP systems. The Alfa Laval GJ 4 is designed to remove the toughest residues from large tanks in numerous industries and is customizable in a wide variety of ways. The Alfa Laval GJ 4 allows companies to spend less time cleaning and more time producing.

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Working principle

The Gamajet range of high impact tank cleaning devices combine pressure and flow to create high impact cleaning jets. Cleaning occurs at the point at which the concentrated stream impacts the surface. It is this impact and the tangential force that radiates from that point which blasts contaminants from the surface, scouring the tank interior. In conjunction with this impact, the device is engineered to rotate in a precise, repeatable and reliable, 360° pattern. This full-coverage, global indexing pattern ensures the entire tank interior is cleaned, every time.

Download GJ 4 Datasheet

Lubricant . . . . . . . . . . . . . . . . . . . Food grade
Max. throw length . . . . . . . . . . . . . 30.5 m

Pressure
Working pressure . . . . . . . . . . . . . . 3 – 21 bar
Recommended pressure . . . . . . . . . 3.5 – 14 bar

Certificate
2.1 material certificate

Materials
1.4404 (316L), PPS, FKM (EPDM and FFKM available)

Temperature
Max. working temperature . . . . . . . . 95°C
Max. ambient temperature . . . . . . . . 140°C

Weight . . . . . . . . . . . . . . . . . . . . . 12.7 – 13.2kg

Connections
Standard thread . . . . . . . . . . . . . . . 2” BSP, 2” NPT, female

Options
Electronic rotation sensor to verify 3D coverage. 180° and 105°
directional version available.

Caution
Do not use for gas evacuation or air dispersion.

Cleaning Pattern

The above drawings show the cleaning pattern achieved on a cylindrical horizontal vessel. The difference between the first cycle and the full pattern represents the number of additional cycles available to increase the density of the cleaning.