Vacuum Sigma Kneader with Extruder Discharge

Product Description

100L Vacuum Sigma Kneader with Extruder Discharge

Engineered for Silicone, Adhesives, and High-Viscosity Sealants


Designed for the most demanding mixing tasks, this 100L Vacuum Kneader features heavy-duty Z-blades (Sigma blades) and a built-in discharging screw. Fully equipped with an independent heating/cooling unit and a high-performance vacuum system, it ensures bubble-free, perfectly homogeneous mixtures for temperature-sensitive materials like silicone rubber.


Advanced Features for Ultimate Mixing Control



High-Torque Sigma Blades

Mirror-polished SS304 Z-blades with a precise 3mm gap from the shell wall. Equipped with independent variable speed control (Fast: 0-37rpm, Slow: 0-21rpm) for intensive kneading with zero dead spots.

Precision Temperature Control

Unlike standard kneaders, this unit comes with an integrated 2P Heating & Cooling Chiller connected to the water jacket, ensuring strict temperature management to prevent silicone from curing prematurely.



Vacuum Degassing System

Achieves up to -0.09Mpa vacuum degree. Includes a vacuum pump, buffer tank, and metal hoses, perfect for completely removing moisture and air bubbles from viscous pastes.

Screw Extruder Discharge

Say goodbye to manual scraping. The built-in bottom screw (Ø108mm, 0-65rpm) seamlessly extrudes the thickest silicone pastes, supporting forward and reverse rotation.

Uncompromising Operator Safety

At Karvil Machinery, operator safety is paramount. This unit is built to international standards:


Smart Limit Switch

The mixer automatically stops functioning the moment the top lid is opened.

Dual-Circuit Emergency Stop

Upgraded safety relay ensures the E-stop works flawlessly even if primary relays fail.sible.

Safe Operating Voltagees

The control panel operates on a safe 24V current.

Premium Components

Fully equipped with Schneider electric parts, circuit breakers, and protective covers on all wiring terminals.

Machine in Action

Check out the actual factory test run video above! This 100L Screw Extrusion Vacuum Kneader was customized and successfully tested for our client in Brazil, specifically designed for handling high-viscosity Silicone.

Contact Us for Custom Requirements & Free 3D Layout

Technical Parameters

          Type

NH-5

NH-10

NH-100

NH-300

NH-500

NH-1000

NH-1500

NH-2000

NH-3000

NH-4000

NH-5000

Total Volume (L)

5

10

100

300

500

1000

1500

2000

3000

4000

5000

Mixed amount/batch (L)

1.5-3.5

3.0-7

30-70

90-210

150-350

300-700

450-1050

600-1400

900-2100

1200-2800

1500-3500

Rotation Speed (rpm)

42/34

42/34

37/21

37/22

37/23

37/26

37/22

30/21

30/21

30/20

28/18

Main Motor Power (Kw)

0.75-1.5

1.1-3

5.5-11

7.5-30

15-37

22-90

22-90

30-110

30-110

45-110

55-132

Heating Methods

Steam Pressure (MPa)

                                                                            Jacket for steam
                                                                                   ≤0.3MPa

Electric Power (Kw)

2.4

2.4

6

12

18

30

45

54

72

72

90

Vacuum (MPa)

                                                                0~ -0.096Mpa (Vacuum Kneader)

Discharging Method

                                                                            Tilting cylinder

                                                                            Screw extrusion

Applications 

Projects

Trusted by Global Manufacturers in 50+ Countries. From silicone to adhesives, see how our Sigma Kneaders are solving complex mixing challenges for industry leaders worldwide.

Successful FAT of a 3000L Sigma Mixer for Our UK Client
Why a Serbian Explosives Manufacturer Chose Karvil Sigma Kneaders for 3 Consecutive Orders
Shipping Update: 1000L Vacuum Kneader Headed to Turkey for RTV-2 Silicone

FAQ

Why does Karvil Machinery recommend a "Screw Extruder" for high-viscosity silicone instead of tilting discharge?

We offer a variety of high-quality materials for our cabinets, including solid wood, MDF, plywood, and laminate. Each material is carefully selected for Highly viscous and sticky materials like silicone rubber are extremely difficult to pour out or scrape manually. Karvil's built-in screw extrusion system acts like a powerful pump. Once mixing is complete, the screw seamlessly pushes the dense silicone out in a continuous, smooth stream. This ensures 100% safe, hands-free operation, minimizes material waste, and makes tank cleaning much faster.

How does the Temperature Control Unit (TCU) work with this kneader?

Can the vacuum system completely remove bubbles from the silicone?

What are the power supply requirements? My factory is outside of China.

How does Karvil Machinery handle after-sales service and installation for overseas buyers?

Contact us

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