Common Laboratory Equipment
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| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-20 |
| Capacity | 20 L |
| Vessel Material | GG17 Borosilicate Glass (3.3) |
| Operating Pressure | Low-pressure (up to 0.1 MPa gauge) |
| Vacuum Level | –0.098 MPa (absolute) |
| Jacket Configuration | Triple-layer (inner reaction vessel + dual insulating/temperature-control jackets) |
| Stirring Motor | AC Gearmotor with Frequency Control |
| Sealing System | PTFE-faced mechanical seal + ground-glass joints |
| Temperature Sensor | Pt100 RTD probe |
| Discharge Valve | PTFE-lined adjustable bottom valve |
| Frame | Stainless steel mobile column-type support structure |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-20Ex |
| Capacity | 20 L |
| Working Pressure Range | –0.1 MPa to 0 MPa (vacuum to atmospheric) |
| Jacket Pressure Rating | ≤ 0.03 MPa |
| Vacuum Level | 0.095 MPa (abs) |
| Operating Temperature Range | –80 °C to +200 °C |
| Vessel Material | ASTM E438 Type I, Class A borosilicate 3.3 glass |
| Stirring Speed Range | 50–500 rpm |
| Speed Accuracy | ±1 rpm |
| Motor Type | Ex db IIB T4 Gb certified explosion-proof three-phase asynchronous motor |
| Power | 180 W |
| Stirrer Shaft Material | 06Cr19Ni10 stainless steel with PTFE cladding |
| Impeller Material | PTFE-coated 06Cr19Ni10 |
| Sealing System | Vacuum-rated mechanical seal with PTFE bearing |
| Condenser Surface Area | 0.341 m² |
| Electrical Supply | 220–240 V~, 50/60 Hz |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Dimensions (W×D×H) | ~825 × 720 × 1960 mm |
| Net Weight | ~80 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-20L (Adjustable Height & Rotatable) |
| Price Range | USD 2,800 – 7,000 |
| Usable Volume | 20 L |
| Vessel Material | Borosilicate Glass 3.3 |
| Operating Pressure | Atmospheric or Vacuum (Max. Vacuum: 0.098 MPa) |
| Jacket Volume | 6 L |
| Jacket Heat Transfer Area | 0.32 m² |
| Condenser Heat Transfer Area | 0.3 m² |
| Temperature Range | −80 °C to +200 °C |
| Thermal Shock Resistance | ΔT ≤ 90 °C |
| Motor Power | 90 W |
| Speed Range | 50–500 rpm |
| Speed Control | Frequency Inverter |
| Stirring Seal | Dual Mechanical Seal (PTFE-coated Stainless Steel Shaft & Bearings) |
| Bottom Discharge Valve | PTFE-lined, Zero-Dead-Volume Design |
| Base Construction | Parallel Steel Frame with Locking Casters |
| Overall Dimensions (L×W×H) | 660 × 535 × 1950 mm |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-20L (Elevating & Rotatable) |
| Capacity | 20 L |
| Jacket Volume | 6 L |
| Jacket Heat Transfer Area | 0.32 m² |
| Condenser Heat Transfer Area | 0.3 m² |
| Material | Borosilicate Glass 3.3 |
| Operating Temperature Range | −80 °C to +200 °C |
| Thermal Shock Resistance | 90 °C |
| Operating Pressure | Vacuum or Atmospheric |
| Maximum Vacuum | 0.098 MPa (absolute) |
| Stirring Speed Range | 50–500 rpm |
| Motor Power | 90 W |
| Drive Type | Frequency-Controlled Variable-Speed Drive |
| Stirring Seal | Dual Mechanical Seal (PTFE-coated stainless steel shaft & bearing) |
| Bottom Discharge Valve | PTFE-lined DN15 flanged valve with ≥300 mm ground clearance |
| Dimensions (L×W×H) | 660 × 535 × 1950 mm |
| Power Supply | 220 V, 50 Hz |
| Port Configuration | Six standard openings (50 mm stirrer port, two 24/40 standard taper joints, one 50 mm ball joint, one 34 mm taper joint, one 40 mm taper joint, one 80 mm flange for solid feed) |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-20TEx |
| Usable Volume | 20 L |
| Vessel Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 to 0.0 MPa (gauge) |
| 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 Between Vessel Interior and Exterior | ≤80 °C |
| Jacket Pressure Limit | ≤0.03 MPa |
| Stirring Motor | 180 W, 3-phase asynchronous, frequency-controlled, 50–500 rpm |
| Stirrer Type | Paddle-type with PTFE blades |
| Shaft Material | SUS304 stainless steel sheathed in PTFE |
| Sealing | High-performance mechanical seal with low-wear bearing |
| Temperature Sensor | Pt100 (±0.1 °C display accuracy), PTFE-sheathed |
| Frame Material | SUS304 stainless steel |
| Explosion Protection | Ex d IIB T4 Gb per GB/T 3836.1–2021 & IEC 60079-0:2017 |
| Certified Components | All explosion-proof components carry valid third-party certification from CNEX or equivalent accredited body |
| Power Supply | 220–240 V~, 50 Hz |
| Ambient Operating Conditions | 5–35 °C, RH ≤70 % |
| Mobility | Equipped with locking casters |
| Bottom Discharge Valve Height | ~320 mm above floor level |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-2L |
| Capacity | 2 L |
| Material | Borosilicate Glass 3.3 |
| Operating Pressure Range | −0.1 to 0 MPa |
| Vacuum Level | ≤ −0.098 MPa (≤ 2 kPa absolute) |
| Temperature Range | −80 °C to +200 °C |
| Stirring Speed | 50–500 rpm |
| Stirring Power | 70 W |
| Torque | 70 N·cm |
| Temperature Sensor | Pt100 (±0.1 °C accuracy) |
| Condenser Area | ~0.025 m² |
| Constant-Pressure Funnel Volume | 200 mL |
| Jacket Volume | ~0.6 L |
| Sealing Material | PTFE + FKM O-rings with PTFE coating |
| Electrical Supply | 220–240 V~, 50/60 Hz or 110 V~, 60 Hz |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-30TEx |
| Usable Volume | 30 L |
| Vessel Material | Borosilicate Glass 3.3 (DIN ISO 3585) |
| Working Pressure Range | −0.1 to 0.0 MPa (vacuum only) |
| Maximum Vacuum | 0.098 MPa |
| Jacket Volume | ~10 L |
| Condenser Heat Transfer Area | 0.341 m² |
| Temperature Range | −80 °C to +200 °C |
| Stirring Speed Range | 50–500 rpm |
| Motor Power | 180 W |
| Explosion Protection | Exd II BT4 (certified components) |
| Temperature Sensor | Pt100 (±0.1 °C accuracy) |
| Frame Material | SUS304 Stainless Steel |
| Dimensions (W×D×H) | 1200 × 750 × 2750 mm |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GR-3L |
| Instrument Classification | Jacketed Glass Reactor |
| 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 Pressure Rating | ≤ +0.03 MPa |
| Temperature Range | –80 °C to +200 °C |
| Stirring Speed | 50–500 rpm |
| Stirring Power | 70 W |
| Torque | 70 N·cm |
| Temperature Sensor | Pt100 (±0.1 °C accuracy) |
| Condenser Surface Area | ~0.025 m² |
| Constant-Pressure Funnel Capacity | 200 mL |
| Frame Material | SUS304 Stainless Steel |
| Sealing Material | PTFE |
| Electrical Supply | 110 V / 60 Hz or 220–240 V / 50–60 Hz |
| Dimensions (W×D×H) | ~480 × 420 × 1200 mm |
| Weight | Approx. 45 kg |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GR-5 |
| Capacity | 5 L |
| Working Pressure Range | –0.1 MPa to atmospheric pressure |
| Vacuum Level | 0.095 MPa (absolute) |
| Jacket Volume | 3 L |
| Temperature Range | –80 °C to +200 °C |
| Glass Material | ASTM E438 Type I, Class A borosilicate 3.3 glass |
| Stirring Speed Range | 50–500 rpm |
| Stirring Motor Power | 90 W |
| Sealing Material | PTFE |
| Temperature Sensor | PT100 (±0.1 °C accuracy) |
| Stirring Seal Type | Vacuum-rated mechanical seal |
| Condenser Surface Area | ~0.045 m² |
| Electrical Supply | 220–240 V~, 50/60 Hz |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | GR-5~100 |
| Capacity | 5–100 L |
| Vessel Material | Borosilicate Glass 3.3 |
| Working Pressure Range | −0.1 MPa to 0 MPa (gauge) |
| Vacuum Level | 0.095 MPa (absolute) |
| Temperature Range | −80 °C to +200 °C |
| Jacket Configuration | Double-jacketed (vacuum-insulated outer jacket option available) |
| Drive Motor Options | Three-phase induction motor or brushless DC motor |
| Explosion Protection Rating | Ex db IIB T4 Gb |
| Stirring Shaft Material | 06Cr19Ni10 stainless steel with PTFE cladding |
| Impeller Material | PTFE |
| Sealing System | Proprietary mechanical seal assembly |
| Frame Material | 06Cr19Ni10 stainless steel + aluminum alloy with epoxy powder coating |
| Mobility | Casters with locking brakes |
| Drain Valve | Zero-holdup PTFE-lined discharge valve |
| Jacket Fluid Inlet/Outlet | Stainless steel insulated flexible hoses |
| [Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Vertical |
| Temperature Range | −5 to 99 °C |
| Temperature Stability | ±0.05 °C (display resolution) |
| Display Resolution | 0.01 °C |
| Bath Volume | 5 L |
| Bath Opening | 141 W × 120 D mm |
| Bath Depth | 145 mm |
| External Dimensions | 270 W × 490 D × 650 H mm |
| Net Weight | 32 kg |
| Circulation Pump Flow Rate | up to 10 L/min |
| Max Pump Pressure | 0.2 bar |
| Heating Power | 1.1 kW |
| Total Power Consumption | 1.5 kW |
| Refrigerant | R134a |
| Communication Interface | RS-485 (Modbus RTU protocol) |
| Bath Material | 06Cr19Ni10 (AISI 304 stainless steel) |
| Enclosure Material | Powder-coated cold-rolled steel |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Operating Ambient | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz] |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Category | Domestic |
| Model | HX-2015 |
| Instrument Type | Constant-Temperature Bath Circulator |
| Circulation Mode | Internal & External |
| Temperature Control | Refrigeration & Heating |
| Bath Volume | 15 L |
| Temperature Range | −20 °C to +99 °C |
| Temperature Stability | ±0.05 °C |
| Refrigeration Capacity | 370–1200 W |
| Heating Power | 1750 W |
| Flow Rate | 10 L/min |
| Tank Dimensions (L×W×H) | 365 × 245 × 168 mm |
| Overall Dimensions (L×W×H) | 480 × 340 × 780 mm |
| Construction Material | 304 Stainless Steel |
| Control Method | PID Algorithm |
| Display | Digital LED |
| Compressor | Hermetic Air-Cooled Unit (Imported from USA/France) |
| Pump | Dual-Impeller Circulation Pump with Self-Priming Capability |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Vertical |
| Temperature Stability | ±0.2 °C |
| Operating Temperature Range | −30 °C to 99 °C |
| Bath Opening Dimensions | 120 W × 141 D mm |
| Heating Power | 1750 W |
| Bath Volume | 10 L |
| External Dimensions | 255 W × 490 D × 693 H mm |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | HX-3010 |
| Temperature Range | −30 °C to +99 °C |
| Temperature Stability | ±0.2 °C |
| Display Resolution | 0.1 °C |
| Heating Power | 1600 W |
| Refrigerant | R404A |
| Max. Pump Pressure | 0.2 bar |
| Max. Flow Rate | 10 L/min |
| Reservoir Volume | 10 L |
| Reservoir Opening | 120 mm (W) × 141 mm (D) |
| Reservoir Depth | 145 mm |
| Dimensions (W×D×H) | 255 mm × 490 mm × 693 mm |
| Weight | 55 kg |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 2160 W |
| Communication Interface | RS485 |
| Enclosure Material | Cold-Rolled Steel with Electrostatic Powder Coating |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Operating Ambient | 5–35 °C, ≤70% RH |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Type | Refrigerated/Heating Circulating Bath |
| Bath Volume | 10 L |
| Temperature Range | −30 °C to +99 °C |
| Temperature Stability | ±0.2 °C |
| Temperature Resolution | 0.1 °C |
| Max Pump Flow Rate | 10 L/min |
| Max Pump Pressure | 0.2 bar |
| Heating Power | 1600 W |
| Refrigerant | R404A |
| Input Voltage | 220–240 V~50 Hz |
| Total Power Consumption | 2160 W |
| External Dimensions (W×D×H) | 255 × 490 × 693 mm |
| Net Weight | 55 kg |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Operating Ambient | 5–35 °C, ≤70% RH |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LT-100-80 |
| Instrument Type | Constant-Temperature Bath Chiller |
| Circulation Mode | Internal & External Loop |
| Temperature Control | Heating-Only Mode |
| Bath Volume | 10 L |
| Temperature Range | −80 °C to +40 °C |
| Temperature Stability | ±2 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | LT-50-80 |
| Temperature Range | –80 °C to –40 °C |
| Temperature Stability | ±2 °C |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Total Power Consumption | 9.8 kW |
| Refrigerants | R404A / R23 |
| Cooling Capacity | 5000 W at –40 °C, 3000 W at –60 °C, 1000 W at –80 °C |
| Bath Volume | 10 L |
| Circulation Pump | 280 W, 30 L/min, max. pressure 1.0 bar |
| External Port | 1/2″ threaded |
| Fill Port Diameter | Φ60 mm |
| Bath & Piping Material | SUS304 stainless steel |
| Heat Exchanger Core Material | SUS316 stainless steel plates |
| Dimensions (W×D×H) | 710 × 1230 × 1380 mm |
| Net Weight | 350 kg |
| Protection Class | IP44 |
| Safety Features | Delayed start, overcurrent, overtemperature, high-pressure cutoff |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | MP-201Z |
| Instrument Type | Diaphragm Vacuum Pump |
| Product Type | Oil-Free Vacuum Pump |
| Ultimate Vacuum | 8 mbar (0.0992 MPa) |
| Pumping Speed | 25 L/min |
| Motor Power | 180 W |
| Input Voltage/Frequency | 220–240 V~, 50 Hz |
| Motor Speed | 1300 rpm |
| Inlet Port Diameter | Ø6 mm |
| Dimensions (W×D×H) | 300 × 230 × 170 mm |
| Net Weight | 10 kg |
| Construction Material (Gas-Wetted Parts) | PTFE-coated or PTFE-molded components |
| Thermal Performance | Low-temperature-rise motor design |
| Durability | Validated for >1500 hours continuous operation under rated load |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | MP-201Z |
| Instrument Type | Diaphragm Vacuum Pump |
| Product Category | Oil-Free Vacuum Pump |
| Ultimate Vacuum | 8 mbar (0.0992 MPa) |
| Pumping Speed | 25 L/min |
| Motor Power | 180 W |
| Power Supply | 220–240 V~, 50 Hz |
| Motor Speed | 1300 rpm |
| Inlet Port Diameter | Ø6 mm |
| Dimensions (W×D×H) | 300 × 230 × 170 mm |
| Weight | 10 kg |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | MP-201Z |
| Instrument Type | Diaphragm Pump |
| Product Type | Oil-Free Vacuum Pump |
| Ultimate Vacuum | 0.0992 MPa (8 mbar) |
| Pumping Speed | 25 L/min |
| External Dimensions | 300 W × 230 D × 170 H mm |
| Weight | 10 kg |
| Motor Power | 180 W |
| Input Voltage/Frequency | 220–240 V~, 50 Hz |
| Motor Speed | 1300 rpm |
| Inlet Port Diameter | Ø6 mm |
| Compliance | CE-marked design principles (IEC 61000-6-2/6-3), RoHS-compliant materials |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | MP-401C |
| Pump Type | Diaphragm Vacuum Pump |
| Oil-Free Design | Yes |
| Ultimate Vacuum | 0.098 MPa (absolute) |
| Pumping Speed | 45 L/min |
| External Dimensions | 195 W × 440 D × 310 H mm |
| Net Weight | 23 kg |
| Motor Power | 300 W |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM/ODM Producer |
| Origin Category | Domestic (China) |
| Capacity | 2 L |
| Ultimate Vacuum | ≤0.33 kPa/min |
| Rotational Speed Range | 10–280 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Control Accuracy | ±1°C |
| Condenser Cooling Area | 0.126 m² |
| Motor Power | 25 W |
| Heating Power | 1050 W |
| Evaporation Rate (Water) | 15 mL/min |
| Evaporation Rate (Ethanol) | 20 mL/min |
| Lift Stroke | 100 + 150 mm |
| Bath Dimensions × Volume | 250 × 130 mm × 6.5 L |
| Overall Dimensions (W×D×H) | ~560 × 320 × 660 mm |
| Net Weight | 9.5 kg |
| Power Supply | 110 V~, 60 Hz or 220–240 V~, 50/60 Hz |
| Sealing System | Dual-seal with PTFE + FKM (fluoroelastomer) |
| Safety Features | Overcurrent protection, Ground fault detection, Overtemperature cutoff |
| Condenser Options | Vertical or inclined |
| rotating flask options | 500 mL or 1000 mL |
| receiving flask | 1000 mL |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer | The Great Wall Scientific Industrial & Trade Co., Ltd. |
| Model | R-1001VN |
| Capacity | 1 L |
| Rotation Speed | 20–180 rpm |
| Temperature Control Range | Ambient +5 °C to 95 °C |
| Condenser Cooling Area | 0.126 m² |
| Sealing | PTFE-modified + Fluoroelastomer Dual-Seal |
| Motor Power | 25 W |
| Condenser Type | Vertical High-Efficiency Dual-Return |
| Evaporation Rate (Water) | ~15 mL/min |
| Protection | Overcurrent & Short-Circuit Protection |
| Power Supply | 220–240 V~, 50/60 Hz |
| Dimensions (W×D×H) | 640 × 400 × 670 mm (extended height: 920 mm) |
| Weight | 9.5 kg |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | R-1001VN |
| Evaporation Flask Capacity | 500 mL or 1000 mL |
| Rotation Speed Range | 20–180 rpm |
| Condenser Cooling Area | 0.126 m² |
| Sealing Material | Dual-seal with PTFE and Fluoroelastomer (FKM) |
| Heating Bath Configuration | Separable from main unit |
| Temperature Control | PID-regulated |
| Drive System | Motor-coupled worm-gear transmission |
| Display | Digital speed readout |
| Safety Feature | Lower-positioned vacuum inlet on condenser |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R-1001VN |
| Capacity | 2 L |
| Ultimate Vacuum | < 399.9 Pa (≤ 3 mmHg) |
| Rotation Speed | 10–180 rpm |
| Bath Temperature Range | Ambient to 180 °C |
| Temperature Control Accuracy | ±1 °C (PID-controlled) |
| Condenser Surface Area | 0.11 m² (1200 cm²) |
| Sealing System | Patented PTFE-modified + FKM dual O-ring |
| Evaporation Rate (Water) | ~15 mL/min |
| Power Supply | 220–240 V~, 50/60 Hz |
| Dimensions (W×D×H) | 640 × 400 × 670 mm (extended height: 920 mm) |
| Net Weight | 9.5 kg |
| Brand | The Great Wall |
|---|---|
| Model | R-1005 |
| Rotating Flask Capacity | 5 L |
| Rotation Speed Range | 20–140 rpm |
| Temperature Control Range | Ambient +5 °C to 95 °C |
| Temperature Control Accuracy | ±1.5 °C |
| Condenser Cooling Area | 0.278 m² |
| Heating Power | 2000 W |
| Rotational Motor Power | 250 W |
| Total Rated Power | 2300 W |
| Electric Lift Stroke | 0–150 mm |
| Lift Speed | 10 mm/s |
| Cold Trap Type | Dual-reflux condenser |
| Collection Flask Capacity | 3 L |
| Bath Material | 06Cr19Ni10 (AISI 304 stainless steel) |
| Sealing System | Modified PTFE + FKM dual-seal |
| Feed/Drain Valve | PTFE-plunger valve |
| Evaporation Rate (Water) | 2.0 L/h |
| Safety Protections | Leakage current protection, overcurrent cutoff, overtemperature cutoff, low-bath-level detection |
| Power Supply | 110 V~, 60 Hz or 220–240 V~, 50/60 Hz |
| Dimensions (W×D×H) | 840 × 520 × 1140 mm |
| Net Weight | 35 kg |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | R-1010 |
| Capacity | 10 L |
| Rotation Speed | 20–130 rpm |
| Bath Temperature Range | Ambient +5 °C to 95 °C |
| Temperature Control Accuracy | ±1.5 °C |
| Sealing Leakage Rate | ≤0.03 kPa/min |
| Evaporation Rate (Water) | 3.2 L/h |
| Condensing Area | Main Condenser ≈ 0.39 m² |
| Rotating Flask | 10,000 mL, φ125 mm ISO-KF flange |
| Collection Flask | 5,000 mL, φ50 mm ISO-KF flange |
| Bath Material | 06Cr19Ni10 Stainless Steel (Φ370 × 220 mm) |
| Glass Material | DIN 3.3 Borosilicate Glass |
| PTFE Valve | Yes |
| Quick-Release Flange Connection | Yes |
| Heating Power | 3500 W |
| Motor Power | 250 W |
| Total Power | 3800 W |
| Protection Class | IP20 |
| Pollution Degree | 2 |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH, ≤2000 m altitude |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | R-1020 |
| Capacity | 20 L |
| Rotational Speed Range | 20–130 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Control Accuracy | ±1.5°C |
| Condensing Area | Main Condenser: 0.948 m² |
| Auxiliary Condenser | 0.358 m² |
| Heating Power | 6000 W |
| Rotating Motor Power | 250 W |
| Total Rated Power | 6300 W |
| Display | LCD Digital Display |
| Lift Mechanism | Electric Vertical Lift (0–190 mm行程) |
| Condenser Type | High-Efficiency Triple-Return Dual-Stage Condenser (Main + Auxiliary) |
| Rotary Flask Volume | 20.0 L (DN100 Flange) |
| Collection Flask Volume | 10.0 L |
| Bath Material | 06Cr19Ni10 Stainless Steel (Φ450 × 260 mm) |
| Vacuum Seal | Modified PTFE + Fluoroelastomer Dual-Seal System |
| Discharge Valve | PTFE-Core Valve |
| Evaporation Rate (Water) | 5.0 L/h |
| Safety Protections | Leakage Current Protection, Overcurrent Protection, Overtemperature Protection, Liquid-Level Monitoring |
| Operating Ambient | 5–40°C, ≤70% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Dimensions (W×D×H) | 1120 × 680 × 1900 mm |
| Net Weight | 90 kg |
| [Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R-1020E |
| Rotating Flask Capacity | 20.0 L (DN120 Flange) |
| Rotation Speed Range | 20–150 rpm |
| Temperature Control Range | Ambient +5 °C to 180 °C |
| Temperature Accuracy | ±1.5 °C (water bath), ±3.0 °C (oil bath) |
| Condensing Area | Main Condenser 0.95 m², Auxiliary Condenser 0.24 m² |
| Vacuum Range | 0–100 kPa (absolute) |
| Sealing Leakage Rate | <0.1 kPa/min |
| Power Supply | 220–240 V~, 50/60 Hz |
| Total Power Consumption | 4 kW |
| Dimensions (W×D×H) | 1235 × 650 × 1790 mm |
| Protection Class | IP20 |
| Max. Operating Altitude | ≤2000 m |
| Ambient Operating Conditions | 5–40 °C, ≤70% RH] |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer | Original Equipment Manufacturer (OEM) |
| Type | Domestic Industrial-Grade Rotary Evaporator |
| Model | R-1020EX |
| Capacity | 20 L |
| Ultimate Vacuum | ≤100 Pa (with compatible vacuum pump) |
| Rotational Speed Range | 20–130 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Accuracy | ±1.5°C |
| Heating Power | 6000 W |
| Total Rated Power | 6300 W |
| Condenser Surface Area | Primary: 0.948 m², Secondary: 0.458 m² |
| Bath Material | SUS304 Stainless Steel (Φ450 × 260 mm) |
| Rotation Motor Power | 180 W |
| Drive Type | Frequency-Controlled Variable-Speed Motor |
| Condenser Design | Vertical Dual-Stage (Primary + Secondary), Triple-Reflex Tubular |
| Flask Neck Diameter | Φ125 mm (ISO-KF 125 flange) |
| Collection Flask Volume | 10 L |
| Lift Mechanism | Manual, 0–190 mm Stroke |
| Sealing Technology | Dual-Seal System (PTFE + FKM-PTFE Composite Gasket) |
| Discharge Valve Core | PTFE |
| Evaporation Rate (Typical) | Water: 5 L/h |
| Ethanol | 14.3 L/h |
| Safety Protections | Overcurrent, Ground Fault, Overtemperature |
| Ambient Operating Conditions | 5–35°C, RH ≤65% |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Dimensions (mm) | Main Unit: 1195 W × 740 D × 2040 H |
| Explosion-Proof Control Cabinet | 500 W × 455 D × 985 H |
| Weight | Main Unit: 115 kg |
| Control Cabinet | 58 kg |