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| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Pump Type | Oil-Free Diaphragm Vacuum Pump |
| Model | HPD-25D |
| Ultimate Vacuum Pressure | 0.08 MPa (80 kPa) |
| Flow Rate | 25 L/min |
| Motor Power | Not Specified |
| Compliance | Designed for GLP-compliant laboratory environments |
| Application Scope | Vacuum filtration, solid-phase extraction (SPE), vacuum drying, concentration, and degassing |
| Construction | Reinforced elastomeric diaphragm (3 mm thick) with textile reinforcement layer |
| Noise Level | Low-noise operation |
| Footprint | Compact benchtop design |
| Optional Accessories | Pressure regulation module, exhaust valve kit |
| Regulatory Context | Suitable for use in ISO/IEC 17025-accredited labs |
| Brand | Chunding |
|---|---|
| Origin | Shanghai, China |
| Pump Type | Diaphragm Vacuum Pump |
| Drive Type | Oil-Free |
| Motor Power | 160 W |
| Ultimate Vacuum | ≤ 50 mbar (≤ 0.095 MPa) |
| Flow Rate | 30 L/min |
| Noise Level | < 50 dB(A) |
| Operating Temperature Range | 7–40 °C |
| Pump Head Configuration | Dual-Head Negative Pressure |
| Inlet/Outlet Port Diameter | Ø6 mm |
| Dimensions (L×W×H) | 300 × 120 × 235 mm |
| Weight | 10 kg |
| Pump Body Material | Aluminum Alloy with Corrosion-Resistant Coating |
| Max. Continuous Duty | 24 h |
| Ambient Humidity | ≤ 80% RH (non-condensing) |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Model | HPD-25 / GM-0.33A |
| Flow Rate | 25 L/min (HPD-25) / 20 L/min (GM-0.33A) |
| Ultimate Vacuum | −0.08 MPa |
| Power Consumption | 50 W (HPD-25) / 160 W (GM-0.33A) |
| Application | HPLC mobile phase filtration, solid-phase extraction (SPE), degassing, and general laboratory vacuum filtration |
| Origin | Shanghai, China |
|---|---|
| Type | Oil-Free Diaphragm Vacuum Pump |
| Model | GM-0.33A |
| Ultimate Vacuum | ≤0.08 MPa (200 mbar) |
| Flow Rate | 20 L/min |
| Noise Level | <55 dB(A) |
| Motor Power | 160 W |
| Inlet/Outlet Port | Ø6 mm |
| Dimensions (L×W×H) | 235×120×215 mm |
| Weight | 7.5 kg |
| Operating Temperature Range | 7–40 °C |
| Construction | Anodized Aluminum Housing with Corrosion-Resistant Coating |
| Pressure Mode | Negative Pressure Only (Vacuum-Only Operation) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | 2546C-02 |
| Quotation | USD 790 (FOB Shanghai) |
| Instrument Type | Diaphragm Pump |
| Product Type | Oil-Free Pump |
| Max Vacuum | < 80 mbar (abs) |
| Max Flow Rate | 38 L/min (1.34 CFM) |
| Max Pressure | 690 kPa (6.9 bar, 100 PSIG) |
| Dimensions | 254 × 191 × 229 mm |
| Power Supply | 230 V, 50 Hz, Single Phase |
| Weight | 6.3 kg |
| Hose ID | 7 mm |
| Includes | Dual-scale vacuum/pressure gauge, adjustable vacuum regulator valve, and integrated buffer bottle |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Tianjin, China |
| Model | HPD-25A |
| Pump Type | Diaphragm Vacuum Pump |
| Lubrication | Oil-Free |
| Ultimate Vacuum | 0.1 MPa (abs) |
| Flow Rate | 25 L/min |
| Motor Power | 60 W |
| Application | Vacuum Filtration, Vacuum Drying, Rotary Evaporation Support, Solid-Phase Extraction (SPE), Positive-Pressure Filtration |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GM-0.20 |
| Instrument Type | Diaphragm Pump |
| Product Type | Oil-Free Vacuum Pump |
| Ultimate Vacuum | 300 mbar (abs) |
| Pumping Speed | 12 L/min |
| Maximum Positive Pressure | 0.07 MPa (gauge) |
| Motor Power | 75 W |
| Noise Level | <50 dB(A) |
| Inlet Port Diameter | φ6 mm |
| Operating Temperature Range | 7–40 °C |
| Pump Head Material | Nylon |
| Housing Material | Aluminum Alloy with Corrosion-Resistant Coating |
| Dimensions (L×W×H) | 195 × 98 × 156 mm |
| Weight | 4 kg |
| Pump Body Operating Temperature | <55 °C |
| Brand | GAST |
|---|---|
| Origin | USA |
| Model | DOA-P504-BN |
| Motor | 90 W, 220 V, 50 Hz AC |
| Max Pressure | 60 psi (414 kPa) |
| Max Vacuum | –81 kPa |
| Free-Air Flow Rate | 27 L/min (1.6 m³/h) |
| Weight | 8 kg |
| Dimensions (L×W×H) | 193 × 165 × 271 mm |
| Includes | Pressure Gauge, Fittings, Regulator Valve, Handle, Power Cord |
| Type | Oil-Free Diaphragm Pump |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Tianjin, China |
| Model | HP-01 |
| Flow Rate | 10 L/min |
| Ultimate Vacuum Pressure | 0.085 MPa |
| Motor Power | 20 W |
| Application | Solvent Filtration, Mobile Phase Filtration |
| Diaphragm Material | Reinforced Nitrile Rubber (3 mm thick, fabric-reinforced) |
| Noise Level | <50 dB(A) |
| Duty Cycle | Intermittent use recommended for solvent-laden vapors |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Tianjin, China |
| Model | HP-01D |
| Flow Rate | 10 L/min |
| Ultimate Vacuum | 0.085 MPa |
| Power | 20 W |
| Application | Solvent Filtration, Vacuum Concentration, Vacuum Drying, Vacuum Degassing |
| Brand | JINTENG |
|---|---|
| Origin | Shanghai, China |
| Model | GM-1.0A |
| Pump Type | Diaphragm Vacuum Pump |
| Oil-Free Design | Yes |
| Ultimate Vacuum | ≥0.08 MPa (200 mbar) |
| Air Displacement Rate | 60 L/min |
| Motor Power | 160 W |
| Inlet/Outlet Port Diameter | Φ6 mm |
| Diaphragm & Valve Material | Imported EPDM/NBR Rubber |
| Housing Material | Die-Cast Aluminum Alloy |
| Corrosion Protection | PTFE-Coated Pump Head |
| Operating Ambient Temperature | 7–40 °C |
| Maximum Housing Temperature | <55 °C |
| Dimensions (L×W×H) | 215 × 120 × 235 mm |
| Noise Level | <50 dB(A) |
| Weight | 7.5 kg |
| Electrical Supply | 230 VAC, 50 Hz |
| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Model | DL-01 |
| Pump Type | DP-01 Oil-Free Diaphragm Vacuum Pump |
| Filter Assembly | DL-1000 Borosilicate Glass Solvent Filtration Kit (1000 mL Collection Flask, 300 mL Funnel, Fritted Disc, Clamp) |
| Operating Vacuum | ≤70 kPa |
| Noise Level | ≤50 dB(A) |
| Power Supply | AC 220 V / 50 Hz |
| Weight | 4.2 kg |
| Dimensions (Pump) | 180 × 120 × 160 mm |
| Dimensions (Filter Assembly) | 320 × 180 × 350 mm |
| Brand | JINTENG |
|---|---|
| Origin | Tianjin, China |
| Model | GM-0.5B |
| Pump Type | Oil-Free Diaphragm Vacuum Pump |
| Ultimate Vacuum | ≥0.095 MPa (200 mbar) |
| Air Displacement Rate | 30 L/min |
| Motor Power | 160 W |
| Inlet/Outlet Port Diameter | Φ6 mm |
| Operating Temperature Range | 7–40 °C |
| Pump Body Temperature | <55 °C |
| Noise Level | <50 dB(A) |
| Dimensions (L×W×H) | 215×120×235 mm |
| Weight | 7.5 kg |
| Diaphragm & Valve Material | Imported Elastomer |
| Housing Material | Die-Cast Aluminum Alloy |
| Electrical Supply | 230 VAC, 50 Hz |
| Corrosion Protection | PTFE-Coated Internal Components |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Tianjin, China |
| Pump Type | Diaphragm Vacuum Pump |
| Model | HPD-25 |
| Flow Rate | 25 L/min |
| Ultimate Vacuum Pressure | 0.08 MPa |
| Motor Power | 50 W |
| Application | Filtration, Solid-Phase Extraction (SPE), Vacuum Drying, Concentration |
| Oil-Free Operation | Yes |
| Construction | Reinforced Rubber Diaphragm (3 mm thick) with Fabric Reinforcement |
| Noise Level | Low |
| Design | Compact Benchtop Unit |
| Compliance | Suitable for GLP/GMP-lab environments requiring oil-free vacuum sources |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Tianjin, China |
| Model | HPD-25D |
| Pump Type | Diaphragm Vacuum Pump |
| Oil-Free Design | Yes |
| Flow Rate | 25 L/min |
| Ultimate Vacuum Pressure | −0.08 MPa (gauge) |
| Power Consumption | 50 W |
| Application Scope | Vacuum Filtration, Solid-Phase Extraction (SPE), Vacuum Drying, Rotary Evaporation Support |
| Regulatory Compliance | CE-marked per IEC 61000-6-3 (EMC) and IEC 61000-6-2 (Immunity) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GM-0.5A |
| Instrument Type | Diaphragm Pump |
| Product Type | Oil-Free Vacuum Pump |
| Pumping Speed | 30 L/min |
| Ultimate Vacuum Pressure | 200 mbar (abs) |
| Motor Power | 160 W |
| Operating Temperature Range | 7–40 °C |
| Max. Surface Temperature | <60 °C |
| Noise Level | <55 dB(A) |
| Inlet/Outlet Port Diameter | Ø6 mm |
| Dimensions (W×D×H) | 210 × 160 × 235 mm |
| Net Weight | 8 kg |
| Dual-Mode Operation | Vacuum & Pressure (±) |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Pump Type | Diaphragm Vacuum Pump |
| Ultimate Vacuum Pressure | ≤ 0.08 MPa (≤ 200 mbar) |
| Air Displacement Rate | 20 L/min |
| Motor Power | 160 W |
| Operating Temperature Range | 7–40 °C |
| Max. Surface Temperature | < 60 °C |
| Noise Level | < 55 dB(A) |
| Inlet Port Diameter | Ø6 mm |
| Dimensions (L×W×H) | 235 × 140 × 210 mm |
| Net Weight | 7.5 kg |
| Construction | Aluminum Alloy Die-Cast Housing with Corrosion-Resistant Coating |
| Pressure Regulation | Adjustable Output Vacuum |
| Continuous Duty Rating | 24/7 Operation Capable |
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