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【Application Industry】：
Widely used in mixing and kneading of low-to-high viscosity products in many industries such as ceramics, silicone rubber, sealants, clay, chewing gum, candy, bakery food, pharmaceuticals, carbon paste, inks/pigments ,etc.
Karvil Machinery is the supplier of Siemens and provide the sigma blade mixer for its application
NH-300
KARVIL
| Availability: | |
|---|---|
Standard Design（Customizable）:
Material: SUS 304, 316 or mild steel
Discharging: Tilting discharging/Screw extruding discharging/Bottom plate
Heating: Electric heating/Water heating/Oil heating/Steam heating
Cooling: Water cooling/Jacket cooling
Vacuum: Water-ring vacuum pump/ buffer tank.
Motor: Explosion proof motor
Independent Control Panel: Variable speed/ Temperature/Discharging
Working Volume: 5 to10,000 Cubic Feet (from experiment to production)
Introduction
Engineered by Karvil Machinery, a leader in mixing technology with over 20 years of expertise, this 300L Sigma Kneader (Z-Blade Mixer) is specifically designed for the rigorous demands of the composite industry. Trusted by clients globally and tailored for the UK market, our machine delivers the perfect balance of shear force and material integrity.
Why This Mixer?
Mixing Polyester Dense Molding Compounds (DMC/BMC) involving resin, fillers, and glass fibres presents unique challenges. Ordinary mixers often fail by:
❌ Breaking Glass Fibres: Reducing the mechanical strength of the final product.
❌ Dead Zones: Leaving unmixed resin or fillers in the corners.
❌ Discharge Difficulty: Sticky, high-viscosity materials are hard to remove.
The Solution: Karvil 300L Sigma Kneader Features
1. Optimized Z-Blade Geometry for Fibre Protection
Our precision-cast Sigma (Z-shaped) blades create a strong shearing action that thoroughly kneads high-viscosity polyester resins and fillers. Crucially, the blade clearance is calibrated to ensure homogenous mixing without shredding the glass fibres, preserving the structural integrity of your molding compound.
2. Heavy-Duty Hydraulic Tilting Discharge
Forget manual scraping. The mixing bowl is equipped with a robust hydraulic cylinder that tilts the bowl up to 90 degrees. This ensures fast, safe, and clean discharge of sticky, dense materials, significantly reducing downtime between batches.
3. Robust Construction for Abrasive Fillers
DMC materials often contain abrasive fillers (calcium carbonate, glass). Our mixing chamber is lined with high-strength stainless steel (SUS304/316L optional) and treated for wear resistance, ensuring a long service life even under continuous heavy-load operation.
4. Precise Temperature Control
The mixing bowl features a jacketed design suitable for heating (steam/oil) or cooling (water). This allows precise control over the resin's viscosity during the kneading process, preventing premature curing or degradation.
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
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Our Services
 | LABORATORY TEST In order to be able to demonstrate the advantages and modes of action of our industrial mixing machine with your products, our fully equipped modern laboratory/technical center is at your disposal. |
PROFESSIONAL ENGINEER The experienced team of engineers is specialized in the R&D and design of mixers, grinding equipment, and plastic recycling machine. Karvil explores new technical points constantly to create perfect solutions for customers. |  |
 | DIRECT FACTORY Karvil factory has a series of strict standard system to control the procurement of raw materials, manufacturing process, in-process inspection, and product inspection, so as to ensure the quality of our products.
|
Certificaitons
F.A.Q.
1. Manufacturer or trading company?
We are a manufacturer with strict production standards in China.
2. Where is your company?
Our company is located in Yantai, Shandong,——Powder Equipment Industry Belt.
3. About your company's visit?
We can pick you up at Qingdao Airport conveniently, and then we can take you to our factory.
4. What is the main market for your company?
Asia and Africa, Australia, America, Europe.
5. Can you provide customized products?
Yes, we have professional engineers to meet your special design needs, so we can provide customized products.
6. What is your delivery time?
It usually takes about 20 to 30 days, the exact time also depends on the type and quantity of the product.
7. About the product warranty?
Usually, we provide a 1-year warranty for the products that have been sold, but we can also provide life-long service when you need it to maintain a long-term relationship with you.
8. What are the payment terms?
T/T, L/C, etc.
Standard Design（Customizable）:
Material: SUS 304, 316 or mild steel
Discharging: Tilting discharging/Screw extruding discharging/Bottom plate
Heating: Electric heating/Water heating/Oil heating/Steam heating
Cooling: Water cooling/Jacket cooling
Vacuum: Water-ring vacuum pump/ buffer tank.
Motor: Explosion proof motor
Independent Control Panel: Variable speed/ Temperature/Discharging
Working Volume: 5 to10,000 Cubic Feet (from experiment to production)
Introduction
Engineered by Karvil Machinery, a leader in mixing technology with over 20 years of expertise, this 300L Sigma Kneader (Z-Blade Mixer) is specifically designed for the rigorous demands of the composite industry. Trusted by clients globally and tailored for the UK market, our machine delivers the perfect balance of shear force and material integrity.
Why This Mixer?
Mixing Polyester Dense Molding Compounds (DMC/BMC) involving resin, fillers, and glass fibres presents unique challenges. Ordinary mixers often fail by:
❌ Breaking Glass Fibres: Reducing the mechanical strength of the final product.
❌ Dead Zones: Leaving unmixed resin or fillers in the corners.
❌ Discharge Difficulty: Sticky, high-viscosity materials are hard to remove.
The Solution: Karvil 300L Sigma Kneader Features
1. Optimized Z-Blade Geometry for Fibre Protection
Our precision-cast Sigma (Z-shaped) blades create a strong shearing action that thoroughly kneads high-viscosity polyester resins and fillers. Crucially, the blade clearance is calibrated to ensure homogenous mixing without shredding the glass fibres, preserving the structural integrity of your molding compound.
2. Heavy-Duty Hydraulic Tilting Discharge
Forget manual scraping. The mixing bowl is equipped with a robust hydraulic cylinder that tilts the bowl up to 90 degrees. This ensures fast, safe, and clean discharge of sticky, dense materials, significantly reducing downtime between batches.
3. Robust Construction for Abrasive Fillers
DMC materials often contain abrasive fillers (calcium carbonate, glass). Our mixing chamber is lined with high-strength stainless steel (SUS304/316L optional) and treated for wear resistance, ensuring a long service life even under continuous heavy-load operation.
4. Precise Temperature Control
The mixing bowl features a jacketed design suitable for heating (steam/oil) or cooling (water). This allows precise control over the resin's viscosity during the kneading process, preventing premature curing or degradation.
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
| | | |
| | | |
Our Services
| LABORATORY TEST In order to be able to demonstrate the advantages and modes of action of our industrial mixing machine with your products, our fully equipped modern laboratory/technical center is at your disposal. |
PROFESSIONAL ENGINEER The experienced team of engineers is specialized in the R&D and design of mixers, grinding equipment, and plastic recycling machine. Karvil explores new technical points constantly to create perfect solutions for customers. | |
| DIRECT FACTORY Karvil factory has a series of strict standard system to control the procurement of raw materials, manufacturing process, in-process inspection, and product inspection, so as to ensure the quality of our products.
|
Certificaitons
F.A.Q.
1. Manufacturer or trading company?
We are a manufacturer with strict production standards in China.
2. Where is your company?
Our company is located in Yantai, Shandong,——Powder Equipment Industry Belt.
3. About your company's visit?
We can pick you up at Qingdao Airport conveniently, and then we can take you to our factory.
4. What is the main market for your company?
Asia and Africa, Australia, America, Europe.
5. Can you provide customized products?
Yes, we have professional engineers to meet your special design needs, so we can provide customized products.
6. What is your delivery time?
It usually takes about 20 to 30 days, the exact time also depends on the type and quantity of the product.
7. About the product warranty?
Usually, we provide a 1-year warranty for the products that have been sold, but we can also provide life-long service when you need it to maintain a long-term relationship with you.
8. What are the payment terms?
T/T, L/C, etc.
