Lab Explosion-Proof Vacuum Sigma Kneader Mixer
Product Description
Key Features
Explosion-Proof Configuration
Configured with explosion-proof drive, heating, vacuum and electrical components as specified.
Dual Sigma Blades
Two sigma-shaped blades provide intensive kneading action for viscous rubber compounds and other difficult-to-mix materials.
Vacuum Processing
The vacuum system supports air removal during mixing, helping meet process requirements for rubber formulations that require reduced air entrapment.
Electric Heating
An electric heating system with thermal oil supports controlled heating during the kneading process.
Manual Tilting Discharge
A handwheel-operated tilting trough allows the batch to be discharged after processing.
Stainless Steel Construction
The machine features SS304 construction, mirror-polished internal surfaces and a polished exterior.
Customized Sigma Kneader Solutions
Every material behaves differently during kneading. Karvil Machinery can customize the machine configuration according to your process, including:
Working capacity and vessel dimensions
Blade design, speed and drive power
Electric heating or other suitable heating methods
Vacuum system and sealing arrangement
Manual tilting, screw discharge or other suitable discharge options
Materials of construction and surface finish
Electrical controls and hazardous-area requirements
Our team provides responsive technical communication, configuration support and after-sales assistance. With equipment supplied to customers in more than 50 countries and regions, we understand the importance of matching machine design to real production needs.
Machine in Action
Watch the factory test of Karvil Machinery 5L explosion-proof vacuum sigma kneader mixer, configured for laboratory processing of toluene-containing rubber compounds.
This compact machine features dual sigma blades, variable-speed control, electric heating, vacuum processing and manual tilting discharge. The working capacity is 3.5L, with a total vessel volume of 5L.
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 | ||||||||||
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.
Services
LABORATORY TEST
Our modern, fully equipped technical center is at your disposal. We welcome you to test your products to experience the advantages of our industrial mixers firsthand.
PROFESSIONAL ENGINEER
Specializing in mixers, grinding, and recycling machines, Karvil's experienced engineering team constantly explores new technologies to create perfect solutions for you.
DIRECT FACTORY
FAQ
Is this mixer suitable for laboratory research?
Yes. The 2L capacity is ideal for formulation development, material testing and pilot-scale production.
Can Karvil customize the machine for our application?
Can the heating temperature and blade speed be customized?
Need a compact vacuum sigma kneader for rubber, adhesives or other high-viscosity materials?