Sanwa Hydrotech Corporation develops, manufactures and sells process pumps including metallic seal-less magnet drive pumps, multi functional pumps for slurry application.
High Performance Slurry Pumps
Dry Run CapabilityGala Pump
With a specific structure of its own, "Gala Pump" resolved the typical pumping-up inability problem that is caused by dry run of centrifugal pumps. It eliminates the abnormal thrust completely that usually occurs during dry run. As a result, no excessive force is applied to the pump shaft, nor does abnormal vibration occur. In addition, the unique structure of impeller contributes to less fluid loss and reduction of running cost by 10%.
"Gala Pump" is an innovative stainless steel pump that can be used for slurry application.
By adopting the unique asteroid-shaped full-open impeller of our own, it is easier to eliminate the air bubbles which are very likely to accumulate inside an impeller in aeration operation.
Gland packing and mechanical seal are available for shaft seal. External flushing is adopted to prevent dry run of shaft seal parts during aeration operation.
FAQs
- Q1: What's special about the impeller of "Gala Pump"?
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A1:
Different from general full-open impellers, "Gala Pump" impeller is specially designed with radiation-shaped blades. Therefore, there is no overlap between one blade and another, also the length of the blade itself becomes shorter. (The impeller is called asteroid-shaped full-open impeller from the fact that its shape is similar to a starfish). As a result, the air bubbles can be eliminated without piling up. Also, the cut of the shroud portion is very deep, there is almost no shroud virtually. Therefore adherence to or clogging of the slurry does not occur.
In addition, compare to general full-open impeller, "Gala Pump" has more blades and the impeller blades are much closer to the center of the impeller. So the air bubbles can be subdivided when passing through the impeller, thus they are more likely to be discharged.
(Left) General full-open impeller (Type ID of Sanwa), (Right) "Gala Pump" impeller - Q2: Is "Gala Pump" a self-priming pump?
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A2:
No, "Gala Pump" is not a self-priming pump. However, it's possible to make it have self-priming performance by changing the casing structure.
- Q3: Application examples and the reason why the customers chose "Gala Pump".
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A3:
(1)Pump liquid from the bottom outlet of a tank. 
Unload the liquid in a tank completely.Complete recovery of the cleaning solution in the tank and piping.Volume of wastewater release to the drainage ditch can be reduced to the minimum. (2)Recovery of overflowed liquid from a certain level of tank. Continuous liquid feed or batch pumping of liquid from a predetermined level of the tank or higher.Level control apparatus unnecessary,Labor-saving. (3)Continuous liquid feed without holding the liquid. Continuous operation while keep a balance between the amount of inflow into the tank and the outflow of the pump.Level controller, intermediary tank or pit is unnecessary. (4)Aerated operation. Intermediary tank to soothe the air bubbles is unnecessary.Anti-foaming agent is not required.After injection of the reactive gas in the solution, degassing process (degassing tank) is not required.
- Q4: What are the benefits of using a "Gala Pump"?
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A4:
(1)Reduction of plant construction costs: Level controller, intermediary tank or pit is unnecessary
(2)Make the plant site and equipment more compact. Labor-saving on pump operation and the process can be realized.
(3)Reduction of running cost: Anti-foaming agent is not required.
(4)Productivity improvement: Unload the total amount of the products or raw materials in a tank.
(5)Environmental protection: Complete recovery of the cleaning solution in the tank and piping. Volume of wastewater release to the drainage ditch can be reduced to the minimum. - Q5: What kind of slurry has "Gala Pump" ever been used to transport?
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A5：
(1) Resin slurry - (ABS, PPS, RB, PVC, PC, PET, fluorine resin, polyacetal, etc.)
(2) Organic slurry - (TPA, fumaric acid, phthalic acid, adipic acid, etc.)
(3) Inorganic slurry - (KCl, NaCl, chlorinated lime, calcium, gypsum, dyes, pigments, etc.)
(4) Others (Wastewater, activated carbon, white clay, diatomaceous earth, magnetic iron oxide, copper sulfate, etc.)
Main Specification of "Gala Pump"
Product Specification
| Pump Type | IL | |
|---|---|---|
| Frequency (Hz) | 60 | 50 |
| Total Head (m) | 90 | 63 |
| Maximum Capacity (L /min) | 2000 | 1700 |
| Maximum Temperature (℃) | 200 | |
| Minimum Temperature (℃) | -30 | |
| Maximum S.G. | 2 | |
| Maximum Viscosity (mPa･s, cP) | 500 | |
| Design Pressure (MPaG) | 1.6 | |
| Bore [Suction x Discharge] (mm) | 40x25 to 200x150 | |
| Piping Connection (Flange Type) | JIS 10K RF ASME 150LB RF |
|
| Impeller Type | full-open (asteroid-shaped) | |
| Motor Output | to 75kW | |
| RPM | 1500, 1800, 3000, 3600 | |
| Material | 304SS 316SS Alloy20 Has-C equivalent, etc. |
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Application Examples
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Pump liquid from the bottom outlet of a tank (aeration operation) Unload the liquid from the bottom outlet of a tank completely when handle batch process of liquid or when it requires to change liquid during the process.Make use of product or the liquid completely.Volume of wastewater release to the drainage ditch can be reduced to the minimum. |
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Tank top-level liquid feed Continuous recovery or batch pumping of liquid from a predetermined level of a reaction tank. No level controller required. |
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Continuous pumping of solid carrying liquid without piling up of the solid Continuous operation while keep a balance between the amount of inflow into the tank and the outflow of the pump.Level controller, intermediary tank or pit is unnecessary. |
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Aeration operation With "Gala Pump", it's possible to pump air-mixed liquid. |
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