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. ky Alfa Laval GJ PF Fast, Effective Impact Cleaning . Application The eld-proven Alfa Laval GJ PF is part of the world-renowned range of Gamajet high impact tank cleaning devices. It has been proven to provide companies with up to 85% in water, time, energy, and resource savings compared to static spray balls. This device is capable of cleaning tanks with capacities between . The Alfa Laval GJ PF ts through openings as small as and operates at low pressures and ows, cleaning tanks in the ethanol, paper, pulp, chemical, steel, industrial fermentation industry, and many other applications that require high impact cleaning. By implementing this device into their tank cleaning process, companies spend less time cleaning and more time producing. Working principle The Gamajet range of high impact tank cleaning devices combine pressure and ow 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. TECHNICAL DATA Lubricant ................... Food grade Max. throw length ............. Pressure Working pressure .............. Recommended pressure ......... Cleaning Pattern First Cycle Full Pattern The above drawings show the cleaning pattern achieved on a cylindrical horizontal vessel. The difference between the rst cycle and the full pattern represents the number of additional cycles available to increase the density of the cleaning. PHYSICAL DATA Materials 316L, PPS, PTFE, EPDM (FKM and FFKM available). Temperature Max. working temperature ........ Max. ambient temperature ........ Weight ..................... Surface nish ................ Connections Standard thread ............... 1½” Rp (BSP) or NPT, female Available option ............... 1.5weld, 1.5tri-clamp, 1.5ISO 2037 slip t, 1.5DIN R1 slip t, 1.5DIN R2 slip t Caution Avoid hydraulic shock, hard and abrasive particles in the cleaning liquid, as this can cause increased wear and/or damage of internal mechanisms. In general, a lter in the supply line is recommended. Do not use for gas evacuation or air dispersion. For steaming we refer to the manual.

Flow Rate 2-nozzle Flow Rate 4-nozzle

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Page 1: Flow Rate 2-nozzle Flow Rate 4-nozzle

.

kyAlfa Laval GJ PF

Fast, Effective Impact Cleaning

.

ApplicationThe field-proven Alfa Laval GJ PF is part of the world-renownedrange of Gamajet high impact tank cleaning devices. It has beenproven to provide companies with up to 85% in water, time, energy,and resource savings compared to static spray balls. This device iscapable of cleaning tanks with capacities between . The Alfa Laval GJPF fits through openings as small as and operates at low pressuresand flows, cleaning tanks in the ethanol, paper, pulp, chemical, steel,industrial fermentation industry, and many other applications thatrequire high impact cleaning. By implementing this device into theirtank cleaning process, companies spend less time cleaning and moretime producing.

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

TECHNICAL DATA

Lubricant . . . . . . . . . . . . . . . . . . . Food gradeMax. throw length . . . . . . . . . . . . .

PressureWorking pressure . . . . . . . . . . . . . .Recommended pressure . . . . . . . . .

Cleaning Pattern

First Cycle Full Pattern

The above drawings show the cleaning pattern achieved on acylindrical horizontal vessel. The difference between the first cycle andthe full pattern represents the number of additional cycles available toincrease the density of the cleaning.

PHYSICAL DATA

Materials316L, PPS, PTFE, EPDM (FKM and FFKM available).

TemperatureMax. working temperature . . . . . . . .Max. ambient temperature . . . . . . . .

Weight . . . . . . . . . . . . . . . . . . . . .Surface finish . . . . . . . . . . . . . . . .

ConnectionsStandard thread . . . . . . . . . . . . . . . 1½” Rp (BSP) or NPT, femaleAvailable option . . . . . . . . . . . . . . . 1.5” weld, 1.5” tri-clamp, 1.5”

ISO 2037 slip fit, 1.5” DIN R1slip fit, 1.5” DIN R2 slip fit

CautionAvoid hydraulic shock, hard and abrasive particles in the cleaningliquid, as this can cause increased wear and/or damage of internalmechanisms. In general, a filter in the supply line is recommended. Donot use for gas evacuation or air dispersion. For steaming we referto the manual.

Page 2: Flow Rate 2-nozzle Flow Rate 4-nozzle

Flow Rate 2-nozzle Flow Rate 4-nozzle

1 3 5 7 9 11 13 15 17 19

3.4

5.4

7.4

9.4

11.4

13.4

15.4

17.4

19.4

15

25

35

45

55

65

75

85

15 45 75 105 135 165 195 225 255 285 psi

bar

m3/h USgpm

6.4mm (1/4")

9.5mm (3/8")

7.9mm (5/16")

Nozzle

1 3 5 7 9 11 13 15 17 19

4.5

6.5

8.5

10.5

12.5

14.5

16.5

18.5

20.5

22.5

24.5

20

30

40

50

60

70

80

90

100

110

15 45 75 105 135 165 195 225 255 285 psi

m3/h USgpm

bar

6.4mm (1/4")

9.5mm (3/8")

7.9mm (5/16")

Nozzle

Inlet pressure Inlet pressureImpact 2-nozzle Impact 4-nozzle

2x ø6.4mm (1/4")

2x ø6.4mm (1/4")

2x ø7.9mm (5/16")

2x ø7.9mm (5/16")

2x ø9.5mm (3/8")

2x ø9.5mm (3/8")

0 1 2 3 4 5 6 7 8 9 10 11 12

1.5

3

4.5

6

7.5

9

10.5

12

13.5

15

16.5

18

19.5

21

22.5

24

25.5

27

59

1317212529333741454953576165697377818589

0 25 50 75 100 125 150 175

Nozzle

psi

bar

m. ft.

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

1.5

2.5

3.5

4.5

5.5

6.5

7.5

8.5

9.5

10.5

11.5

12.5

13.5

5

10

15

20

25

30

35

40

45

30 60 90 120 150 180 210 240 psi

m. ft.

bar

Nozzle

9.5mm (3/8in)7.9mm (5/16in)

Inlet pressure Inlet pressure- - - Wetting, — Impact cleaning - - - Wetting, — Impact cleaning

Custom inlets available. Contact your local Alfa Laval representative for details.

Page 3: Flow Rate 2-nozzle Flow Rate 4-nozzle

Cleaning Time Dimensions 2-nozzle

4.5 7.5 10.5 13.5 16.5 19.5 22.5

3.4

4.4

5.4

6.4

7.4

8.4

9.4

10.4

11.4

12.4

13.4

2

6

10

14

18

22

26

30

34

38

42

46

20 30 40 50 60 70 80 90 100 110

STD

USgpm

rpm min.

m3/h

LMMV

LP

HV

1.3

2

6

10

30

Stator

Inlet pressureDimensions 4-nozzle Dimensions low-profile

Standard DesignThe choice of nozzle diameters can optimize jet impact length and flow rate at the desired pressure. As standard documentation, the Alfa Laval GJ PFcan be supplied with a “Declaration of Conformity” for material specifications.

TRAX simulation toolTRAX is a unique software that simulates how the Alfa Laval GJ PF performs in a specific tank or vessel. The simulation gives information on wettingintensity, pattern mesh width and cleaning jet velocity. This information is used to determine the best location of the tank cleaning device and the correctcombination of flow, time, and pressure to implement.A TRAX demo containing different cleaning simulations covering a variety of applications can be used as a reference and documentation for tankcleaning applications. The TRAX demo is free and available upon request.

.

Page 4: Flow Rate 2-nozzle Flow Rate 4-nozzle

Wetting Intensity

2.5

2.9

3.4

3.9

4.5

5.3

6.1

7.1

8.3

9.6

11

13

15

0.06

0.07

0.08

0.09

0.11

0.13

0.15

0.17

0.20

0.24

0.27

0.32

0.37

TD 523-208

(USgallon/ft2)

D, H, Time = 4.25 min. D, H, Time = 17 min.

.

Alfa Laval reserves the right to change specifications without prior notification.

How to contact Alfa LavalContact details for all countriesare continually updated on our website.Please visit www.alfalaval.us toaccess the information direct.

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