Common Laboratory Equipment
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Showing 14101–14130 of 17617 results
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DLSB-5/20D |
| Instrument Type | Integrated Unit |
| Cooling Method | Air-Cooled |
| Temperature Range | −20 °C to 25 °C |
| Temperature Stability | ±2 °C |
| Refrigeration Capacity | 680 W @ 10 °C |
| Circulating Pump Pressure | 1.1 bar |
| Circulating Pump Flow Rate | 22 L/min |
| Reservoir Volume | 5 L |
| Operating Mode | Continuous |
| Refrigerant | R404A |
| Power Consumption | 670 W |
| Protection Features | Compressor Delay Start, Overcurrent, Overheat, High-Pressure, Ground Fault |
| IP Rating | IP20 |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220 V~, 50 Hz |
| Fluid Connection | 1/2″ BSP |
| Tubing Compatibility | Silicone Hose (Φ13×Φ9 mm) |
| Reservoir Material | 304 Stainless Steel |
| Dimensions (W×D×H) | 335×473×684 mm |
| Net Weight | 40 kg |
| Communication Interface | RS485 with Standard Modbus Protocol |
| Sensor Type | Pt100 RTD |
| Display Resolution | 0.1 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Type | Integrated Circulating Chiller |
| Cooling Method | Air-Cooled |
| Temperature Range | −20 °C to 25 °C |
| Temperature Stability | ±2 °C |
| Refrigeration Capacity | 600 W at 0 °C |
| Max. Circulation Pressure | 1.1 bar |
| Max. Flow Rate | 20 L/min |
| Reservoir Volume | 5 L |
| Duty Cycle | Continuous Operation |
| Display Resolution | 0.1 °C |
| Communication Interface | RS485 with Modbus RTU Protocol |
| Compressor Protection | Delayed Start, Overcurrent, Overheat, High-Pressure, Ground-Fault |
| Refrigerant | R404A |
| Power Supply | 220 V~, 50 Hz |
| IP Rating | IP20 |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Reservoir Material | 304 Stainless Steel |
| Dimensions (W×D×H) | 335×473×684 mm |
| Net Weight | 40 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Model | DLSB-500/30 |
| Cooling Capacity | 500 W @ –30 °C |
| Temperature Range | –30 °C to +35 °C |
| Reservoir Volume | 50 L |
| Pump Flow Rate | Adjustable up to 25 L/min |
| Refrigerant | R404A |
| Construction | 304 Stainless Steel Circulation System |
| Safety Protections | High-Pressure Cut-off, Overheat Protection, Overcurrent Protection |
| Power Supply | 220 V / 50 Hz |
| Certifications | CE-marked (per EN 61000-6-3, EN 61000-6-2), ISO 9001 Quality Management Compliant |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DLSB-ZC |
| Pricing | Available Upon Request |
| Cooling Capacity | 600–2550 W (at -10 °C to 25 °C) |
| Temperature Range | –10 °C to 25 °C (with ΔT ≥ 5 °C below ambient) |
| Temperature Stability | ±2 °C |
| Vacuum Level | 0.098 MPa (2 kPa absolute) |
| Dual-Function | Simultaneous vacuum generation and low-temperature circulation |
| Vacuum Pump Configuration | 3 independent pumping heads, 10 L/min per head |
| Reservoir Volume | 20 L |
| Circulation Flow Rate | 30 L/min (rated), 280 W pump power |
| Electrical Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 1650 W |
| Dimensions (W×D×H) | 595 × 475 × 925 mm |
| Compressor | Panasonic |
| Condenser | Air-cooled, custom-designed by Xin’ao |
| Dryer Filter | Danfoss |
| Expansion Device & Evaporator | Zhengzhou Great Wall |
| Controller | Haihong |
| Vacuum Chamber & Insulated Reservoir | Zhengzhou Great Wall |
| Circulation Pump | Jingyi |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DLSB-ZC |
| Pricing | Available Upon Request |
| Operating Temperature Range | –10 to 25 °C |
| Ambient Temperature Range | 5 to 25 °C |
| Temperature Stability | ±2 °C |
| Total Power Consumption | 1650 W |
| Power Supply | 220–240 V~, 50 Hz |
| Reservoir Capacity | 20 L |
| Refrigeration Capacity | 600–2550 W |
| Circulating Pump Power | 280 W |
| Rated Flow Rate | 30 L/min |
| Maximum Pressure Output | 1.0 bar |
| Ultimate Vacuum | 0.098 MPa (20 mbar) |
| Number of Vacuum Ports | 3 |
| Single-Port Pumping Speed | 10 L/min |
| Dimensions (W×D×H) | 595 × 475 × 925 mm |
| Evaporator Material | AISI 304 Stainless Steel (06Cr19Ni10) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DLSB-ZC |
| Operating Temperature Range (°C) | –10 to 25 |
| Ambient Temperature Range (°C) | 5 to 25 |
| Temperature Stability (°C) | ±2 |
| Total Power Consumption (W) | 1650 |
| Electrical Supply | 220–240 V~, 50 Hz |
| Reservoir Capacity (L) | 20 |
| Refrigeration Capacity (W) | 600–2550 |
| Circulation Pump Power (W) | 280 |
| Rated Flow Rate (L/min) | 30 |
| Maximum Output Pressure (bar) | 1.0 |
| Ultimate Vacuum (MPa) | –0.098 (equivalent to 2 kPa absolute) |
| Number of Vacuum Ports | 3 |
| Single-Port Pumping Speed (L/min) | 10 |
| Dimensions (mm) | 595 W × 475 D × 925 H |
| Brand | The Great Wall |
|---|---|
| Model | GFY-20L |
| Capacity | 20 L |
| Material | Borosilicate Glass 3.3 (DURAN®-grade) |
| Frame | SUS304 Stainless Steel |
| Operating Pressure Range | −0.1 to 0.0 MPa (Vacuum to Atmospheric) |
| Temperature Range | −80 °C to +200 °C |
| Max ΔT Between Interior and Exterior | ≤80 °C |
| Stirring Motor Power | 90 W |
| Speed Control | Frequency Inverter |
| Speed Range | 50–500 rpm |
| Stirring Port | 50# Flange |
| Liquid Feed Port | 34/35 Standard Taper Joint |
| Vent Port | 34/35 Standard Taper Joint |
| Power Supply | 220–240 V~, 50 Hz |
| Drain Valve Mounting Height | 460 mm |
| Overall Dimensions (W×D×H) | 650 × 650 × 1720 mm |
| Vacuum Rating | −0.1 MPa (absolute) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-1-3 |
| Price Range | USD 2,800 – 7,200 (FOB) |
| Usable Volume | 1.0 L (Micro-to-Small Scale) |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 to 0.0 MPa (Vacuum to Atmospheric) |
| Jacket Capacity | ~0.3 L |
| Condenser Heat Transfer Area | ~0.025 m² |
| Constant-Pressure Funnel Capacity | 200 mL |
| Vacuum Level | ≤ −0.098 MPa (≤ 2 kPa absolute) |
| Temperature Range | −80 °C to +200 °C |
| Stirring Speed | 50–500 rpm (Infinitely Variable) |
| Stirring Torque | 70 N·cm |
| Stirring Power | 70 W |
| Temperature Sensor | Pt100 (±0.1 °C accuracy) |
| Sealing Material | PTFE |
| Frame Material | SUS304 Stainless Steel |
| Stirrer Shaft & Blades | SUS304 with PTFE coating |
| Stirrer Type | Anchor/Paddle-type with PTFE blades |
| Electrical Supply | 110 V / 60 Hz or 220–240 V / 50–60 Hz |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Overall Dimensions (W×D×H) | ~480 × 420 × 1100 mm |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-1 / GR-2 / GR-3 |
| Instrument Classification | Glass Reactor |
| Volume Range | 1 L, 2 L, 3 L (selectable) |
| Vessel Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | –0.1 MPa to 0 MPa (vacuum to atmospheric) |
| Temperature Range | –80 °C to +200 °C |
| Jacketed Design | Dual-layer with stainless steel fluid ports |
| Stirring System | PTFE-coated SUS304 shaft, PTFE impeller, proprietary sealed bearing assembly |
| Frame | SUS304 structural frame + 6061-F aluminum panel with powder coating |
| Mobility | Locking casters with load-rated brakes |
| Compliance | Designed for GLP-compliant lab environments |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-10 |
| Instrument Classification | Jacketed Glass Reactor |
| Usable Volume | Medium-Scale (10 L) |
| Construction Material | 3.3 Borosilicate Glass |
| Operating Pressure Range | Vacuum to Atmospheric (–0.1 MPa to 0 MPa) |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Temperature Range | –80 °C to +200 °C |
| Thermal Shock Resistance | 80 °C |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Power | 90 W |
| Drive Type | Three-Phase Asynchronous Motor with Frequency Inverter Control |
| Stirrer Shaft & Blades | 06Cr19Ni10 Stainless Steel Core with PTFE Cladding |
| Sealing System | Vacuum-Compatible Mechanical Seal with PTFE Bearings |
| Condenser Surface Area | 0.234 m² |
| Standard Ground Joint Sizes | 40/38, 35/30, 29/22, 80/60 |
| Main Flask Flange Diameter | 215 mm |
| Bottom Valve Inner Diameter | φ21 mm |
| Drain Port Outlet | φ33 mm |
| Chiller Hose Connection | Rc 3/4 |
| Temperature Sensor | PT100 (±0.1 °C accuracy) |
| Frame Material | 06Cr19Ni10 Stainless Steel + Powder-Coated Aluminum Alloy |
| Mobility | Locking Casters with Brake |
| Dimensions (W×D×H) | ≈ 825 × 665 × 1780 mm |
| Net Weight | ≈ 48 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-100 |
| Instrument Classification | Jacketed Reactor |
| Usable Volume | Large-Scale |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure | Low Pressure (Vacuum to Atmospheric) |
| Capacity | 100 L |
| Jacket Volume | 25 L |
| Temperature Range | −80 °C to +200 °C |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Thermal Shock Resistance | 80 °C |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Power | 250 W |
| Drive Type | Three-Phase AC Motor with Frequency Converter Control |
| Sealing System | Vacuum-Compatible Mechanical Seal with PTFE Components |
| Stirrer Configuration | Triple Impeller — Four-Blade Angled Turbine + Two Sets of Four-Blade Flat Turbine |
| Stirrer Shaft Material | 06Cr19Ni10 (AISI 304) with PTFE Cladding |
| Impeller Material | PTFE-Coated 06Cr19Ni10 |
| Temperature Sensor | PT100, Digital Display, ±0.1 °C Accuracy |
| Main Flange Diameter | 285 mm |
| Top Port Outer Diameter | 338 mm |
| Bottom Drain Valve ID | φ21 mm |
| Discharge Nozzle OD | φ33 mm |
| Condenser Heat Transfer Area | 0.954 m² |
| Condenser Port Standard | 40/38 |
| Constant-Pressure Dropping Funnel Capacity | 10,000 mL (φ12.5 mm Port) |
| Receiver Flask Capacity | 20,000 mL |
| Frame Material | 06Cr19Ni10 Stainless Steel + Powder-Coated Aluminum Alloy |
| Overall Dimensions (W×D×H) | ~1160 × 780 × 2400 mm |
| Net Weight | ~119 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-10Ex |
| Capacity | 10 L |
| Vessel Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | -0.1 MPa to atmospheric |
| Temperature Range | -80 °C to 200 °C |
| Jacket Pressure Limit | ≤0.03 MPa |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Power | 180 W |
| Explosion-Proof Rating | Exdb II BT4 Gb |
| Stirring Shaft & Blade Material | 06Cr19Ni10 (AISI 304) with PTFE cladding |
| Sealing Type | Vacuum Mechanical Seal |
| Flange Diameter | 215 mm |
| Bottom Valve ID | φ21 mm |
| Discharge Port ID | φ33 mm |
| Jacket Volume | 8 L |
| Thermal Shock Resistance | 80 °C |
| Condenser Heat Transfer Area | ~0.234 m² |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Dimensions (W×D×H) | ~825×720×1780 mm |
| Net Weight | ~61 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-10T |
| Price Range | USD 7,000–14,000 (FOB) |
| Vessel Capacity | 10 L |
| Instrument Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 to 0 MPa (gauge) |
| Vacuum Level | −0.098 MPa (absolute) |
| Jacket Volume | ~3.0 L |
| Condenser Heat Transfer Area | 0.234 m² |
| Constant-Pressure Dropping Funnel | 1000 mL |
| Distillation Column Dimensions | Ø85 × 715 mm |
| Packing | Glass Raschig Rings |
| Number of Ports on Reactor Head | 6 |
| Temperature Range | −80 °C to +200 °C |
| Max Allowable ΔT (Jacket vs. Vessel) | ≤80 °C |
| Jacket Max Pressure | +0.03 MPa |
| Stirring Motor Power | 90 W |
| Speed Control | Frequency Inverter |
| Speed Range | 50–500 rpm |
| Temperature Sensor | Pt100 (SUS304 sheath + PTFE jacket) |
| Temp Display Accuracy | ±0.1 °C |
| Seals & Valves | PTFE |
| Bottom Discharge Valve Height | 320 mm |
| Agitator Type | Paddle-type |
| Blade Material | PTFE-coated SUS304 shaft & blades |
| Frame Material | SUS304 stainless steel |
| Mobility | Locking Casters |
| Power Supply | 220–240 V~, 50/60 Hz |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Overall Dimensions (W×D×H) | ~1080 × 650 × 2380 mm |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-150 |
| Price Range | USD 2,800 – 7,000 (FOB) |
| Usable Volume | 150 L (Large-Scale Lab Reactor) |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 to 0.0 MPa (Vacuum to Atmospheric) |
| Jacket Volume | ~45 L |
| Condenser Heat Exchange Area | ~1.32 m² |
| Feed Bottle Capacity | 10 L |
| Receiver Flask Capacity | 20 L |
| Temperature Range | −80 °C to +200 °C |
| Max. ΔT (Inner–Outer Wall) | ≤80 °C |
| Jacket Max. Pressure | ≤+0.03 MPa |
| Vacuum System Leak Rate | ≤2 kPa/h |
| Stirring Motor Power | 370 W |
| Speed Control | Variable-Frequency Drive (VFD) |
| Speed Range | 50–300 rpm |
| Temperature Sensor | Pt100 (±0.1 °C display accuracy) |
| Stirrer Type | Anchor/Paddle with PTFE-coated blades |
| Stirrer Shaft | SUS304 stainless steel with PTFE sheath |
| Seals & Gaskets | PTFE |
| Feed Ports | Two 34# standard ground joints, one 95# flange (solid feed), two 40# ground joints (feed bottles), 50# standard spherical joint (condenser), 60# flange (stirrer), 35# flange (Pt100) |
| Insulated Stainless Steel Flexible Hoses | 3/4″ male NPT |
| Discharge Valve Height | ~370 mm |
| Footwheel Design | Lockable casters |
| Power Supply | 220–240 V~, 50/60 Hz |
| Ambient Operating Conditions | 5–35 °C, RH ≤65% |
| Overall Dimensions (W×D×H) | ~1250 × 1100 × 2700 mm |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-150EX |
| Price Range | USD 7,000–14,000 (FOB) |
| Usable Volume | 150 L (Large-Scale Lab Use) |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 MPa to 0.0 MPa (Vacuum to Atmospheric) |
| Jacket Capacity | ~45 L |
| Vacuum Performance | ≤ 2 kPa/h pressure rise rate |
| Condenser Heat Exchange Area | ~1.32 m² |
| Stirring Power | 370 W |
| Speed Range | 50–300 rpm (Variable-Frequency Drive) |
| Temperature Range | −80 °C to +200 °C |
| Temperature Sensor | Pt100 (±0.1 °C display accuracy) |
| Sealing Material | PTFE |
| Stirrer Type | Paddle-type with PTFE-coated blades |
| Shaft Material | SUS304 stainless steel with PTFE cladding |
| Jacket Inlet/Outlet | 3/4″ NPT female threads |
| Overall Dimensions (W×D×H) | ~1250 × 1100 × 2700 mm |
| Ambient Operating Conditions | 5–35 °C, ≤65% RH |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-150L |
| Price Range | USD 7,000–14,000 (FOB) |
| Usable Volume | 150 L (Large-Scale Lab Use) |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 to 0 MPa (Low-Pressure / Vacuum Service) |
| Jacket Volume | ~45 L |
| Condenser Heat Exchange Area | ~1.32 m² |
| Feed Bottle Capacity | 10 L |
| Receiver Bottle Capacity | 20 L |
| Temperature Range | −80 °C to +200 °C |
| Maximum ΔT (Inner/Outer Wall) | ≤80 °C |
| Jacket Pressure Rating | ≤+0.03 MPa |
| Vacuum System Leak Rate | ≤2 kPa/h |
| Stirring Motor Power | 370 W |
| Speed Control | Frequency Inverter |
| Speed Range | 50–300 rpm |
| Temperature Sensor | Pt100 (±0.1 °C display accuracy) |
| Stirrer Type | Paddle Agitator with PTFE Blades |
| Shaft Material | SUS304 stainless steel sheathed in PTFE |
| Sealing Material | PTFE |
| Casters | Lockable |
| Power Supply | 220–240 V~, 50/60 Hz |
| Ambient Operating Conditions | 5–35 °C, ≤65% RH |
| Overall Dimensions (W×D×H) | ~1250 × 1100 × 2700 mm |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-2 |
| Instrument Category | Jacketed Reactor |
| Volume Capacity | 2 L |
| Vessel Material | Borosilicate Glass 3.3 |
| Operating Temperature Range | −80 °C to +200 °C |
| Operating Pressure Range | −0.1 MPa to 0 MPa (gauge) |
| Jacket Connection | Stainless Steel Insulated Flexible Hoses |
| Discharge Configuration | Top-Mounted Tilt-Drain |
| Frame Material | 06Cr19Ni10 Stainless Steel + Carbon Structural Steel with Epoxy Powder Coating + Anodized Aluminum |
| Stirring Shaft | 06Cr19Ni10 Stainless Steel Core with PTFE Cladding |
| Impeller Material | PTFE |
| Sealing System | Proprietary Mechanical Seal Assembly |
| Vessel Geometry | Dual-Wall (Inner/Outer Glass), Vertical Cylindrical with Conical Bottom |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-2 |
| Instrument Category | Glass Reactor |
| Usable Volume | Micro-scale |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 MPa to 0 MPa (gauge) |
| Jacketed Capacity | 1 L |
| Temperature Range | −80 °C to +200 °C |
| Stirring Drive | Top-mounted, angled discharge configuration |
| Stirrer Shaft Material | 06Cr19Ni10 stainless steel with PTFE cladding |
| Impeller Material | PTFE |
| Sealing System | Proprietary magnetic-coupled mechanical seal |
| Frame Material | Hybrid construction — 06Cr19Ni10 stainless steel, carbon structural steel with epoxy powder coating, and anodized aluminum components |
| Jacket Inlet/Outlet | Stainless steel insulated flexible hoses |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Category | Domestic |
| Model | GR-2 |
| Reactor Type | Jacketed Glass Reactor |
| Working Volume | 2 L |
| Vessel Material | Borosilicate Glass 3.3 |
| Temperature Range | −80 °C to +200 °C |
| Pressure Rating | −0.1 MPa to 0 MPa (Vacuum to Ambient) |
| Stirring Drive | Top-Mounted, Tilted Discharge Configuration |
| Jacket Inlet/Outlet | Stainless Steel Insulated Flexible Hoses |
| Frame Material | 06Cr19Ni10 (AISI 304) + Carbon Structural Steel with Epoxy Powder Coating + Anodized Aluminum |
| Stirring Shaft | AISI 304 Core with PTFE Cladding |
| Impeller Material | PTFE |
| Sealing System | Proprietary Magnetic Coupling & Mechanical Seal Hybrid Bearing Assembly |
| Control | Electronic Speed Regulation (0–600 rpm typical range) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | GR-20 Ex |
| Instrument Category | Reactor |
| Vessel Volume | 20 L |
| Vessel Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | –0.1 MPa to 0 MPa (vacuum to atmospheric) |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Vacuum Level | 0.098 MPa |
| Temperature Range | –80 °C to +200 °C |
| Thermal Shock Resistance | 80 °C |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Power | 180 W |
| Motor Type | Flameproof Three-Phase Induction Motor (Ex db IIB T4 Gb) |
| Stirrer Shaft Material | 06Cr19Ni10 (AISI 304) with PTFE cladding |
| Impeller Material | PTFE-coated 06Cr19Ni10 |
| Sealing Type | Vacuum Mechanical Seal with PTFE Support |
| Jacket Inlet/Outlet | 35# stainless steel insulated flexible hose connections |
| Drain Valve | Zero-holdup PTFE-lined valve (φ21 mm internal diameter) |
| Frame Material | 06Cr19Ni10 + powder-coated aluminum alloy with locking casters |
| Temperature Sensor | PT100, digital display, ±0.1 °C accuracy |
| Condenser Surface Area | 0.341 m² (40/38 mm interface) |
| Addition Funnel Capacity | 2000 mL (40/38 mm interface) |
| Lid Opening Configuration | Six ports (five standard: 50#, S51, 35#, 40/38, 34/35 |
| one solid feed port | 80#) |
| Gasket Dimensions | φ264 × φ220 × 3 mm |
| Overall Dimensions (W×D×H) | ~825 × 720 × 1960 mm |
| Net Weight | ~80 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-20 |
| Instrument Classification | Jacketed Glass Reactor |
| Usable Volume | Medium-Scale |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure | Low Pressure (Vacuum to Atmospheric) |
| Capacity | 20 L |
| Temperature Range | −80 °C to 200 °C |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Thermal Shock Resistance | 80 °C |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Power | 90 W |
| Drive Type | Three-Phase Asynchronous Motor with Frequency Inverter Control |
| Stirring Seal | Vacuum-Compatible Mechanical Seal |
| Stirrer Blade Material | PTFE-Coated 06Cr19Ni10 (AISI 304 Equivalent) |
| Stirrer Configuration | Single-Layer Four-Blade Pitched Turbine |
| Jacket Volume | 9 L |
| Condenser Heat Transfer Area | ~0.341 m² |
| Feed Port Capacity | 2000 mL |
| Main Flange Diameter | 215 mm |
| Bottom Valve ID | φ21 mm |
| Discharge Nozzle ID | φ33 mm |
| Temperature Sensor | PT100 (±0.1 °C accuracy) |
| Frame Material | 06Cr19Ni10 Stainless Steel + Powder-Coated Aluminum Alloy |
| Mobility | Locking Casters |
| Overall Dimensions (W×D×H) | ~825 × 665 × 1960 mm |
| Net Weight | ~67 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-20 |
| Instrument Classification | Jacketed Glass Reactor |
| Usable Volume | Medium-Scale |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure | Low-Pressure (Vacuum to Atmospheric) |
| Capacity | 20 L |
| Glass Material | Borosilicate Glass 3.3 |
| Temperature Range | −80 °C to +200 °C |
| Internal Pressure Range | −0.1 MPa to 0 MPa |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Thermal Shock Resistance | 80 °C |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Type | Three-Phase Asynchronous Motor |
| Motor Power | 90 W |
| Speed Control | Frequency Inverter |
| Stirrer Shaft Material | 06Cr19Ni10 (AISI 304) with PTFE Cladding |
| Impeller Material | PTFE-Coated 06Cr19Ni10 |
| Impeller Type | Single-Layer Four-Inclined-Blade Open Turbine |
| Sealing System | Vacuum-Compatible Mechanical Seal with PTFE Support Bearings |
| Temperature Sensor | PT100 |
| Temp. Display Accuracy | ±0.1 °C |
| Frame Material | 06Cr19Ni10 + Powder-Coated Aluminum Alloy |
| Mobility | Casters with Brakes |
| Drain Valve Outlet | φ33 mm |
| Condenser Cooling Area | ~0.341 m² |
| Condenser/Port Interface | 40/38 standard taper |
| Addition Funnel Capacity | 2000 mL |
| Central Lid Port | 50# |
| Side Ports | S51 (35#), 40/38, 34/35, 80# Solid Feed Port |
| Lid & Body Material | Borosilicate Glass 3.3 |
| Jacket Inlet/Outlet | Rc 3/4 |
| Overall Dimensions (W×D×H) | ~825 × 665 × 1960 mm |
| Net Weight | ~67 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | GR-20TEx |
| Instrument Classification | Reaction Vessel |
| Usable Volume | Small-Scale |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure | Low-Pressure |
| Capacity | 20 L |
| Vacuum Range | −0.1 MPa to 0.0 MPa |
| Jacket Volume | ~6.0 L |
| Condenser Heat Transfer Area | ~0.249 m² |
| Constant-Pressure Funnel Capacity | 2000 mL |
| Temperature Range | −80 °C to +200 °C |
| Max. ΔT (Jacket–Vessel) | ≤80 °C |
| Jacket Pressure Limit | ≤0.03 MPa |
| Number of Lid Ports | 6 |
| Temperature Sensor | Pt100 (±0.1 °C display accuracy) |
| Frame Material | SUS304 Stainless Steel |
| Mobility | Equipped with Locking Casters |
| Motor | 180 W Three-Phase Asynchronous Motor |
| Speed Control | Variable-Frequency Drive (50–500 rpm) |
| Stirrer Type | Paddle Agitator with PTFE Blades |
| Stirrer Shaft | SUS304 core with PTFE cladding |
| Sealing Bearings | Precision Ceramic-Enhanced |
| Explosion Protection | Exd II BT4 Certified (All explosion-proof components independently certified) |
| Feed/Discharge Valve | Corrosion-Resistant Side-Outlet Design with Zero Liquid Retention |
| Cooling/Heating Interface | Stainless Steel Flexible Insulated Hoses |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Discharge Valve Height | ~320 mm above floor |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-30 |
| Instrument Classification | Jacketed Glass Reactor |
| Vessel Capacity | 30 L |
| Working Pressure Range | –0.1 MPa to 0 MPa (Vacuum to Atmospheric) |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Vacuum Performance | ≤ 0.095 MPa (abs) |
| Temperature Range | –80 °C to +200 °C |
| Thermal Shock Resistance | 80 °C |
| Jacket Volume | 10 L |
| Minimum Effective Stirring Volume | ~3.5 L |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Power | 90 W |
| Drive Type | Three-Phase Asynchronous Motor with Variable-Frequency Control |
| Stirring Seal | Vacuum-Compatible Mechanical Seal |
| Stirring Impeller | Single-layer Four-Blade Open Turbine, Shaft Material: 06Cr19Ni10 (AISI 304) with PTFE Cladding, Blade Material: PTFE |
| Vessel & Lid Material | ASTM E438 Type I, Class A Borosilicate 3.3 Glass (e.g., Pyrex®-equivalent) |
| Frame Material | 06Cr19Ni10 Stainless Steel + Powder-Coated Aluminum Alloy |
| Casters | Locking Swivel Casters |
| Condenser Surface Area | ~0.341 m² |
| Standard Ground-Glass Joints | 40/38, 35/34, 34/35, 50, 80, S51, 135 |
| Bottom Valve Outlet Diameter | φ21 mm |
| Discharge Port Height | ~360 mm |
| Temperature Sensor | PT100 RTD |
| Temp. Display Resolution | ±0.1 °C |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Dimensions (W×D×H) | ~825×665×2090 mm |
| Net Weight | ~72 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-3L |
| Price Range | USD 2,800–7,000 (FOB) |
| Usable Volume | 3 L |
| Vessel Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 to 0.0 MPa (gauge) |
| Vacuum Level | ≤ −0.098 MPa (absolute) |
| Jacket Capacity | ~0.9 L |
| Condenser Surface Area | ~0.025 m² |
| Constant-Pressure Funnel Capacity | 200 mL |
| Temperature Range | −80 °C to +200 °C |
| Stirring Speed | 50–500 rpm |
| Stirring Torque | 70 N·cm |
| Stirring Power | 70 W |
| Temperature Sensor | Pt100 (±0.1 °C accuracy) |
| Sealing Material | PTFE |
| Frame Material | SUS304 Stainless Steel |
| Stirrer Shaft & Blades | SUS304 with PTFE coating |
| Feed/Outlet Port | Rc 1/2 or Rc 3/4 |
| Overall Dimensions (W×D×H) | ~480 × 420 × 1200 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Producer |
| Country of Origin | China |
| Model | GR-5 |
| Price Range | USD 2,800 – 7,000 (FOB) |
| Working Volume | 1–5 L (Standard Configurations: 1 L, 2 L, 3 L, 5 L) |
| Vessel Material | High-Borosilicate Glass (GG-17 / DIN 7080 equivalent) |
| Jacket Material | Borosilicate Glass |
| Operating Pressure Range | −0.1 MPa to 0 MPa (gauge) |
| Maximum Vacuum Level | −0.098 MPa (absolute) |
| Temperature Range | −80 °C to +200 °C |
| Stirring Speed | 50–500 rpm |
| Max Torque | 300 N·cm (3.0 N·m) |
| Jacket Capacity | 1.5 L |
| Power Supply | 220–240 V~, 50/60 Hz |
| Dimensions (W×D×H) | 535 × 450 × 1230 mm |
| Sealing Components | PTFE/FKM composite stopcocks and discharge valves |
| Control Interface | Integrated digital vacuum gauge and PT100 temperature display module |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-5 |
| Instrument Classification | Jacketed Glass Reactor |
| Volume Class | Small-Scale |
| Vessel Material | Borosilicate Glass 3.3 |
| Operating Pressure | Low Pressure (Vacuum to Atmospheric) |
| Capacity | 5 L |
| Vacuum Level | 0.098 MPa (absolute) |
| Temperature Range | −80 °C to +200 °C |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Thermal Shock Resistance | 80 °C |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Power | 90 W |
| Drive Type | Three-Phase Asynchronous Motor with Frequency Converter Control |
| Sealing Type | Vacuum-Compatible Mechanical Seal |
| Stirrer Shaft & Blades | 06Cr19Ni10 Stainless Steel Core with PTFE Cladding |
| Stirrer Geometry | Single-Layer Four-Inclined-Blade Open Turbine |
| Condenser Surface Area | ~0.045 m² |
| Condenser Length | 435 mm |
| Standard Ground-Glass Joints | 29/32 and 50/50 |
| Bottom Valve Outlet Diameter | φ25 mm |
| Temperature Sensor | PT100, Digital Display, ±0.1 °C Accuracy |
| Frame Material | 06Cr19Ni10 Stainless Steel + Powder-Coated Carbon Steel + Anodized Aluminum |
| Overall Dimensions (W×D×H) | ~650 × 550 × 1600 mm |
| Net Weight | ~34 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | GR-5 |
| Instrument Classification | Reactor |
| Volume Class | Small-Scale |
| Operating Pressure | Low-Pressure (Vacuum to Atmospheric) |
| Capacity | 5 L |
| Glass Material | Borosilicate 3.3 |
| Temperature Range | −80 °C to +200 °C |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Thermal Shock Resistance | 80 °C |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Power | 90 W |
| Drive Type | Three-Phase Asynchronous Motor with Frequency Converter Control |
| Sealing System | Vacuum-Compatible Mechanical Seal with PTFE Components |
| Stirrer Configuration | Single-Layer Four-Inclined-Blade Open Turbine |
| Stirrer Shaft & Blades | 06Cr19Ni10 Stainless Steel Core with Full PTFE Cladding |
| Jacket Inlet/Outlet | Rc 3/4 Threaded Fittings with Stainless Steel Insulated Flexible Hoses |
| Condenser Length | 435 mm |
| Condenser Surface Area | ~0.045 m² |
| Condenser Joint Size | 29/32 |
| Dropping Funnel Capacity | 500 mL (29/32 Joint) |
| Temperature Sensor | PT100, Digital Display, ±0.1 °C Accuracy |
| Frame Material | 06Cr19Ni10 Stainless Steel + Powder-Coated Carbon Structural Steel + Powder-Coated Aluminum Alloy |
| Overall Dimensions (W×D×H) | ~650 × 550 × 1600 mm |
| Net Weight | ~34 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GR-50EX |
| Price | USD 3,350 (FOB Henan) |
| Construction Material | Borosilicate Glass 3.3 (DIN ISO 3585) |
| Temperature Range | −80 °C to +200 °C |
| Pressure Rating | −0.1 MPa (vacuum) to 0 MPa (atmospheric only) |
| Frame | SUS304 stainless steel + 6061-F aluminum alloy with epoxy powder coating |
| Mobility | Locking casters (two with brakes) |
| Drive Motor & Control Box | Exd II BT4 certified explosion-proof (IEC 60079-1, GB 3836.1–2010) |
| Stirring Shaft | SUS304 core with full PTFE overmolding |
| Impeller | Solid PTFE blades |
| Sealing System | Proprietary dual-lip mechanical seal with graphite-impregnated PTFE stationary ring |
| Drain Valve | Zero-holdup PTFE-lined ball valve with bottom-mounted flush port |
| Jacket Inlet/Outlet | Dual 1/2″ NPT stainless steel ports with flexible insulated SS braided hoses (stress-relieved connection) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-50 |
| Price Range | USD 2,800 – 7,000 (est.) |
| Instrument Classification | Jacketed Glass Reactor |
| Volume Class | Medium-Scale |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure | Low-Pressure (Vacuum to Atmospheric) |
| Capacity | 50 L |
| Ultimate Vacuum | −0.098 MPa (i.e., ≤ 2 mbar absolute) |
| Temperature Range | −80 °C to +200 °C |
| Jacket Inlet/Outlet | Stainless Steel Insulated Flexible Hoses |
| Discharge Configuration | Top-Mounted Tilt Drain |
| Frame Material | 06Cr19Ni10 (AISI 304) + Powder-Coated Aluminum Alloy |
| Mobility | Locking Casters with Brakes |
| Stirring System | Patented Sealed Bearing Assembly |
| Impeller Material | PTFE-Coated Blades |
| Stirring Shaft | AISI 304 Core with Full PTFE Cladding |
| Drive | Integrated Variable-Frequency AC Motor |