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Sigma Kneader Mixer for Chewing Gum and Toffee Sugar

The Sigma mixer is consist of mixing chamber, frame support, hydraulic system, electric control system, discharge system and two Z shape blade in the chamber drove by the motor, and the two blade rotating with different speed, but can be controlled by the inverter. The Sigma blade mixer caused by a pair of mutually cooperating and rotating Z blades to produce a strong shearing action so that the semi-dry state or the rubbery viscous plastic material enables the material to react quickly to obtain a uniform mixing. > Independent distribution box (control panel}, which can realize separate and precise control of stirring speed, heating or cooling temperature, stirring and discharging system.
  • NH-5
  • Karvil

Main features and advantages
1.Structure: Including kneading/mixing system, machine base, hydraulic system, transmission system, electric control system, heating system (optional), cooling system (optional), vacuum system (optional)
2.Discharging: Tilting discharging
Screw extruding discharging
Ball valve/bottom plate (manual, electrical, pneumatic)
3.Heating: Electric heating, hot water heating, hot oil heating and steam heating.
4.Cooling: Z blades water cooling, mixing chamber with jacket for cooling purpose.
5.Vacuum system: Water-ring vacuum pump and buffer tank.

Technical Parameters

Type NH-
NH-10 NH-100 NH-300 NH-500 NH-1000 NH-1500 NH-2000 NH-3000 NH-4000 NH-5000
Volume (L) 5 10 100 300 500 1000 1500 2000 3000 4000 5000
Rotation Speed (rpm) 33 23 33 23 35 22 37 21 37 21 35 25 30 16 30 16 38 27 38 27 38 27
Main Motor Power (Kw) 0.75 1.1 3-7.5 11-30 15-37 22-90 22-90 30-110 30-110 45-110 55-132
Heating Methods Steam Pressure (MPa) 0.3
Electric Power (Kw) 1 1 4 9 16.2 27 32.4 40 72 72 96
Vacuum (MPa) -0.094 (Vacuum Kneader)
Pressure (MPa) 0.45 (Pressure Kneader) 0.35 (Pressure Kneader) 0.3 (Pressure Kneader)
Weight (Kg) 300 400 1250 1600 3000 4500 5800 6500 11000 13000 21000

Application Range

Widely used in mixing and kneading of low-to-high viscosity products in many industries such as BMC/DMC, chewing gum, candy/sugar paste, plastic/silly putty, hot melt adhesive, silicon compound, CMC/Cellulose, Electrode paste, carbon, pencil leads, soap, pigments, inks, plastic etc.
Horizontal Double Z Blade Sigma Kneader Mixer for Carbon/Cellulose/Battery Paste/Paper Pulp/Silicones


Shandong Karvil Machinery Technology Co., Ltd. is specializing in the research, design, manufacturing and sales of mixing machine, grinding equipment and reaction machine. The company is committed to advanced technology of machine, strict quality control standards and perfect sales service experience to achieve a win-win situation with our customers.
Karvil products have been successful used in the field of powder processing, food, medicine, fine chemical industry, cosmetic, adhesives, paints, inks, dyes, pastes, organic solvents and ceramics, etc.
Karvil engineering team constantly explore new technical points and promote perfect solutions for our clients through efficient communication according to the production application.
Our company has a series of strict standards system to control the purchase of raw materials, the rationality of design, manufacturing process, during inspection, product inspection, which could ensure the high quality of our products and create value for our clients.


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Karvil products have been successful used in the field of powder processing, food, medicine, fine chemical industry.