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NH-50
Karvil
Customizable Design
The material contact part can be SS304, SS316 with mirror polished or carbon steel. The rest part can also be stainless steel and mostly adopt carbon steel with automotive grade industrial paint
Sigma blades speed can be adjustable with inverter control; one is fast and another is slow.
Discharge method can hydraulic tilting discharging or screw extrusion discharging or both of them.
Independent Control Panel: Function control，Schneider electronic components，Circuit breaker protection，Voltage & current showed and etc.
Vacuum function( optional): it includes vacuum pump, metal hose, buffer tank and vacuum gauge. Vacuum degree can reach-0.096mpa
Heating function ( optional): Electric heating with far ultrared heaters or with jacket for heating transfer oil; Jacket for steam; Jacket for water circulation.
Cooling function( optional): Jacket for cooling water circulation or equipped together with a chiller.
Other customized function can be discussed.
The Karvil KSH-50 Screw Discharge Sigma Mixer is a high-precision kneading machine designed for laboratory research and small-batch pilot production. Recently manufactured for our long-term client in Colombia, this unit is specialized for the Research & Development of Solid Soaps (Calcium Soap and Sodium Soap).
This model features a Heating/Cooling Jacket and a Screw Extrusion Discharge system. Unlike sticking tilting mixers, the screw discharge allows the soap material to be extruded directly into shapes or for further processing, making it highly efficient for soap manufacturing lines. Powered by top-tier Siemens Beide Motors, it ensures reliable and continuous operation.
Screw Extrusion Discharge: Equipped with a dedicated screw located at the bottom of the mixing bowl. This allows for the continuous extrusion of the soap paste, making it easy to connect to downstream equipment or shape the material immediately.
Premium Power System: Both the Main Motor (5.5kw) and Screw Motor (2.2kw) are Siemens Beide Brand, ensuring stable performance, global warranty support, and long service life.
Precise Speed Control: Features a Frequency Inverter (VFD) for adjustable mixing speeds (0-42 rpm). This is crucial for R&D, allowing researchers to find the perfect mixing parameters for different soap formulations.
Sanitary & Anti-Stick: All contact parts are made of Stainless Steel 304 with Internal Mirror Polishing. This high-level finish prevents soap from sticking to the walls and ensures easy cleaning between batches.
Temperature Control: Includes a Jacket for heating or cooling, essential for controlling the saponification process or maintaining material plasticity.
Technical Parameters
High-viscosity polymers and resin compounds
Silicone sealants and adhesives
Heat-curable pastes
Specialty elastomers
Thermosetting materials
Pilot-scale formulation development
Q1: What is the main application of this 5L sigma mixer?
A1: This machine is mainly used for butyl rubber, polymers, elastomers, and other high-viscosity materials. It is suitable for laboratory research, formulation testing, and small-batch production.
Q2: What is the advantage of screw extrusion discharge?
A2: The screw discharge ensures continuous and efficient output, especially for sticky or dense compounds. Compared to manual or tilting discharge, it provides cleaner and more reliable material removal.
Q3: Can the mixer operate under vacuum?
A3: Yes. The machine is equipped with a vacuum pump, buffer tank, and metal hose, allowing efficient air removal and preventing bubbles in the final product.
Q4: How is the heating controlled?
A4: The mixer uses an electric heating system with precise temperature regulation, capable of reaching up to 230°C, ensuring stable and consistent processing.
Q5: What materials are used for construction?
A5: The entire machine is made of 304 stainless steel. All contact parts are mirror-polished for easy cleaning, while the external surface has a brushed finish for durability.
Q6: What is the motor and drive system?
A6: The mixer is powered by a 2.2 kW Siemens motor with an ABB inverter, providing variable frequency control. Blade speeds are adjustable: 0–42 rpm (fast blade) and 0–35 rpm (slow blade).
Q7: Is this machine suitable for scale-up to larger production?
A7: Yes. Karvil Machinery provides sigma mixers from lab-scale (2L, 5L, 10L) to industrial capacities (100L–3000L+), ensuring seamless transition from R&D to mass production.
Request a quote, 3D drawing, or application consultation – we’re here to support your process.
Application Industry
Chemicals: Ideal for mixing rubber compounds, adhesives, resins, sealants, silicone rubber, and other high-viscosity chemical compounds. They enable consistent blending of ingredients in chemical manufacturing.
Carbon Industry: Used in the mixing of carbon compounds for the production of carbon paste used in electrodes or in carbon-related manufacturing processes.
Adhesives and Sealants: Vital in the production of adhesives and sealants where combining different ingredients to achieve specific properties is crucial.
Pharmaceuticals: Utilized for blending powders, granules, and pastes in the production of pharmaceuticals, vitamins, supplements, and medicinal creams. Sigma mixers ensure uniform distribution of ingredients.
Plastics and Polymers: Used for compounding, mixing additives, colorants, fillers, and other materials in the production of plastics, rubber products, and polymer-based compounds.
