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Overview
OPERATING PRINCIPLES
The SCN series of SOMA Pumps GmbH is a positive displacement pump based on the SINUS principle.
Our SOMA SINUS SODIAL® pumps are used for a flow rate of up to 90,000 l/h. The core of the pump is a sine wave, which is mounted as a disc (rotor) on a drive shaft. It gently and evenly transports the product to be conveyed through four equally divided chambers without any risk of reducing the product quality. This ensures
virtually pulsation-free conveying.
A scraper separates the suction and discharge sides of the pump, allowing pressure equalization and thus preventing backflow. Due to the constantly open suction side, the viscosity of the products is irrelevant. This supports the production of high viscosity products, such as silicones or frozen orange juice concentrate, as well as low viscosity products, such as water-like products. In addition, the pump avoids potential foaming and liquid separation.

PRODUCT FEATURES
TECHNICAL DATA
SCN | Capacity | Speed range | Solid size | Suction power | Pump pressure |
SCN 10 | max 4.800 l/h | max 1.000 rpm | max 10 mm | – 0.85 bar | max 10 bar |
SCN 20 | max 6.900 l/h | max 1.000 rpm | max 20 mm | – 0.85 bar | max 15 bar |
SCN 25 | max 18.000 l/h | max 600 rpm | max 30 mm | – 0.85 bar | max 15 bar |
SCN 40 | max 40.000 l/h | max 600 rpm | max 45 mm | – 0.85 bar | max 15 bar |
SCN 50 | max 68.400 l/h | max 600 rpm | max 50 mm | – 0.85 bar | max 15 bar |
SCN 60 | max 90.000 l/h | max 600 rpm | max 60 mm | – 0.85 bar | max 15 bar |
TECHNICAL DRAWING

DIMENSIONS
SCN | L / mm | L1 / mm | L2 / mm | L3 / mm | B / mm | B1 / mm | H / mm | H1 / mm |
SCN 10 | 720 | 290 | 700 | 59 | 208 | 97 | 260 | 90 |
SCN 20 | 909 | 333 | 800 | 65 | 240 | 101 | 290 | 105 |
SCN 25 | 1092 | 473 | 1100 | 88 | 300 | 156 | 360 | 125 |
SCN 40 | 1322 | 597 | 1300 | 111.5 | 380 | 186 | 440 | 175 |
SCN 50 | 1445 | 656 | 1300 | 129 | 400 | 201 | 460 | 179,5 |
SCN 60 | 1545 | 655 | 1300 | 180 | 400 | 218 | 532 | 235 |
The SINUS rotor operates inside two separate liners so that the pump housing and cover are not subject to wear. Based on this design advantage, we are able to provide a lifetime warranty on the housing and cover.
The main seal of our SOMA SINUS SODIAL® pump is available in different versions, depending on the application. Various mechanical seals and special seals are offered.
Both the maintenance of the pump and the replacement of wear parts can be carried out by the operator himself in just a few minutes. Likewise, the pump can be cleaned in its installed state in just a few minutes by means of CIP cleaning and SIP sterilization.
In order to achieve optimum efficiency and minimize energy costs as well as pump wear, the pump size must be precisely matched to the process requirements.Therefore, benefit from our decades of experience and extensive know-how in the field of sinusoidal pumps and let our experts advise you.

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