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Tilting Sigma Kneader Mixer

Key Specifications:

  • Total Capacity: 100 liters

  • Effective Working Volume: 70 liters

  • Main Motor: 15 kW, 4-pole, Siemens

  • Blade Type: Double sigma Z-blades

  • Blade Speed:
     - Blade I: approx. 0–37 rpm
     - Blade II: approx. 0–22 rpm

  • Heating Power: 6 kW electric (3 × 2 kW)

  • Heating Medium: Thermal oil or purified water

  • Discharge Method: Hydraulic tilting

  • Contact Surface: SUS304 stainless steel, mirror-polished, food-grade

  • Lid Components: DN200 manhole + 2 sight glasses (1 with light)

  • Seal Material: PTFE packing + Teflon sealing

  • Electrical Components: Schneider, with circuit breaker protection

  • Surface Coating: Automotive-grade industrial paint

  • Safety System: Full interlock – mixing stops when lid is opened

 
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  • NH-100

Specifications

Product Description :

  • Karvil Machinery delivered a customized 100L sigma kneader to a Canadian client for processing silicone rubber and elastomer blends. This machine is purpose-built for high-viscosity materials that require intensive mixing, thermal precision, and easy discharge.

  • Equipped with dual sigma (Z-type) blades, this kneader ensures uniform shear distribution during the mixing cycle. The internal contact surfaces are fully mirror-polished SUS304 stainless steel, ensuring compliance with food-grade and cleanroom standards. A 15 kW Siemens motor drives the two blades independently at different speeds, allowing for optimized kneading of elastic and sticky compounds.

  • The hydraulic tilting discharge system enables complete and convenient unloading of mixed materials. The mixing chamber includes a DN200 manhole and two sight glasses, with one integrated LED light for internal visibility during operation.

  • For precise thermal control, the mixer includes a 6 kW electric heating system (3×2 kW rods) and supports heat transfer via thermal oil or pure water. All sealing components are made from PTFE, ensuring excellent resistance to heat and solvents.


Sigma-Mixer-for-Silicone-Rubber (2)

Customizations

Option Description
Volume Range 2L – 10000L
Contact Material SUS304 / SUS316L / Carbon Steel
Heating & Cooling System Steam / Electric / Thermal Oil / Water Jacket
Vacuum Capability Up to -0.095MPa
Discharge Type Tilting / Valve / Screw Extruder
Control System Manual / Semi-auto / Full PLC + Touchscreen


Sigma Mixer Technical Highlights

  • Mixing Blades: Double sigma (Z-type), high-strength alloy or stainless steel

  • Drive System: Siemens motors, gearbox driven with inverter speed control

  • Working Capacity: From lab scale (5L) to industrial scale (3000L)

  • Heating Methods: Electric heating / thermal oil circulation / steam

  • Cooling Options: Jacketed tank for water cooling

  • Sealing System: Teflon + mechanical sealing for rubber and solvent resistance

  • Material Contact Parts: SUS304 / SUS316L / Custom materials available

  • Discharge Methods: Hydraulic tilting, bottom valve, or screw extrusion

  • Control System: PLC + HMI optional for full automation


Technical Parameters

sigma-mixer-karvil-machinery


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Karvil has a professional technical team dedicated to the research, design, and manufacturing of Sigma mixers and ribbon blenders. Our equipment has already been sold to over 50 countries and various industries worldwide.

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