Introduction

A diaphragm vacuum pump is a vacuum pump used for the generation of the vacuum by the reciprocating diaphragm, which creates the vacuum without the oil, and it is used in the laboratories, the chemistry, the biology, the pharmaceutical, and the many other applications. The diaphragm vacuum pump consists of a pump head with the diaphragm, which is driven by an eccentric mechanism and a motor, the valves, and the housing, and it generates the vacuum by the reciprocating motion of the diaphragm, which changes the volume of the chamber, with the valves controlling the flow, and it provides the vacuum without the oil contamination; the diaphragm vacuum pump is used for the filtration, for the aspiration, for the degassing, for the vacuum drying, for the vacuum distillation, for the sample preparation, and for many other applications, and it is available in various vacuum levels and flow rates; the diaphragm vacuum pump provides a clean and a maintenance-free vacuum, and it is an essential instrument for the vacuum applications. Diaphragm vacuum pumps are used in the laboratories, in the chemistry, in the biology, in the pharmaceutical industry, and for many other applications. With their oil-free operation, diaphragm vacuum pumps are essential for the clean vacuum.

Diaphragm Vacuum Pump LDVP-T2013

Diaphragm Vacuum Pump LDVP-T2013



Diaphragm Vacuum Pump is a negative pressure type pump with an adjustable pumping speed range of 0 to 15 L/min. It has a stable performance and can work continuously for 24 hours. The pu...
Diaphragm Vacuum Pump LDVP-T2012

Diaphragm Vacuum Pump LDVP-T2012



Diaphragm Vacuum Pump is a positive and negative pressure type pump with a pumping speed of 30 and is compatible with various filtering devices. The pump incorporates an illuminated powe...
Diaphragm Vacuum Pump LDVP-T2011

Diaphragm Vacuum Pump LDVP-T2011



Diaphragm Vacuum Pump is a high-performance laboratory pump designed to deliver a pumping speed of 15 noise level of less than 45 dB, promoting a quiet and disturbance-free laboratory en...
Diaphragm Vacuum Pump LDVP-T2010

Diaphragm Vacuum Pump LDVP-T2010



Diaphragm Vacuum Pump has a pumping speed of 10 design ensures efficient negative pressure suction. Our pump has compatibility with filtering devices, solid phase extraction systems, and...
Diaphragm Vacuum Pump LDVP-T2016

Diaphragm Vacuum Pump LDVP-T2016



Diaphragm Vacuum Pump is equipped with advanced a single-stage pump that has an airflow rate of 15 operation, ensuring clean vacuum generation and providing a contamination-free working ...
Diaphragm Vacuum Pump LDVP-T2022

Diaphragm Vacuum Pump LDVP-T2022



Diaphragm Vacuum Pump works with a pumping speed of 95 L/min and vacuum range up to 1 mbar. It is compatible with a broad spectrum of chemicals hence evacuates corrosive gases and vapour...
Diaphragm Vacuum Pump LDVP-T2014

Diaphragm Vacuum Pump LDVP-T2014



Diaphragm Vacuum Pump with nitrile () pump material is equipped with advanced automatic cooling exhaust system to ensure continuous 24 hours operation & deliver contamination-free air, g...
Diaphragm Vacuum Pump LDVP-T2015

Diaphragm Vacuum Pump LDVP-T2015



Diaphragm Vacuum Pump with nitrile () pump material is equipped with advanced automatic cooling exhaust system to ensure continuous 24 hours operation & deliver contamination-free air, g...
Diaphragm Vacuum Pump LDVP-T2013

Diaphragm Vacuum Pump LDVP-T2013



Diaphragm Vacuum Pump with nitrile () pump material is equipped with advanced automatic cooling exhaust system to ensure continuous 24 hours operation & deliver contamination-free air, g...
Diaphragm Vacuum Pump LDVP-T2011

Diaphragm Vacuum Pump LDVP-T2011



Diaphragm Vacuum Pump features a generous pumping speed of 20 use. Our pump is used in laboratories for vacuum distillation, solvent filtration, and vacuum drying. This vacuum pump is de...
Diaphragm Vacuum Pump LDVP-T2012

Diaphragm Vacuum Pump LDVP-T2012



Diaphragm Vacuum Pump with pump material is equipped with advanced automatic cooling exhaust system to ensure continuous 24 hours operation & deliver contamination-free air, gases or vap...
Diaphragm Vacuum Pump LDVP-T2010

Diaphragm Vacuum Pump LDVP-T2010



Diaphragm Vacuum Pump with nitrile () pump material is equipped with advanced automatic cooling exhaust system to ensure continuous 24 hours operation & deliver contamination-free air, g...
Diaphragm Vacuum Pump LDVP-T2021

Diaphragm Vacuum Pump LDVP-T2021



Diaphragm Vacuum Pump is a pump which creates pressure to draw and expel liquids through the pump. It has a ultimate vacuum of 0.095 MPa and a pumping speed of 25 L/min. Frictionless wor...
Diaphragm Vacuum Pump LDVP-T2020

Diaphragm Vacuum Pump LDVP-T2020



Diaphragm Vacuum Pump is a pump which create pressure to draw and expel liquids through the pump. It has a ultimate vacuum of 0.095 MPa and a pumping speed of 45 L/min. Frictionless work...

Standards

ISO 21360-1:2020-Vacuum technology-Standard methods for measuring vacuum-pump performance-Part 1: General description

GB/T 40344.1-2021-Vacuum technology-Standard methods for measuring vacuum-pump performance-Part 1: General description

Complies with the above standards, but is not limited to them.

Features

1. Diaphragm vacuum pump for oil-free vacuum generation in laboratory applications.

2. Oil-free diaphragm design provides clean vacuum without oil contamination.

3. Suitable for vacuum filtration, distillation, drying, degassing and sample preparation.

4. Chemical-resistant models available for corrosive vapor handling.

5. Includes pump head, motor, pressure gauge, regulator and operation manual.

FAQ

Q1: What testing scenarios is this pump mainly applied to?

A: The diaphragm vacuum pump is used in chemistry, biological, pharmaceutical, environmental and analytical laboratories to provide oil-free vacuum for filtration, distillation, rotary evaporation, vacuum drying, degassing, solid phase extraction and general sample preparation. The oil-free diaphragm design eliminates oil contamination of samples and exhaust, making it ideal for applications where clean vacuum is essential, such as analytical sample preparation, food and environmental testing, and pharmaceutical research. Chemical-resistant models handle corrosive vapors from acids and solvents. It is essential for laboratories requiring clean, reliable vacuum for filtration, evaporation, drying and sample preparation, where oil contamination from rotary vane pumps would affect analytical results, damage samples or require frequent oil changes, and where low maintenance, quiet operation and clean exhaust are important for laboratory environment and sample integrity.

Q2: What standards does the pump comply with?

A: The diaphragm vacuum pump complies with relevant IEC 61010 laboratory electrical safety standards and GB/T standards for vacuum equipment. Performance specifications follow applicable standards for vacuum pump performance. Chemical-resistant models should be verified for compatibility with the specific vapors being pumped.

Q3: What is the warranty period for the whole machine and key components?

A: The whole pump is covered by a 12-month warranty. The motor, diaphragm, pump head and controller are covered, while diaphragms, valves and filters are consumables excluded from warranty. Damage from improper use, corrosive vapor beyond rating or unauthorized repair is excluded.

Q4: Is this device difficult to operate? Is professional training required?

A: Operation is simple: connect to the application, power on and adjust vacuum if equipped with regulator. No professional training is required, but users should follow proper maintenance, chemical compatibility and safety guidelines. We provide an operation manual and remote guidance.

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular maintenance required? What is the recommended maintenance cycle?

A: Diaphragm and valve inspection and replacement according to usage and chemical exposure, typically every 6-18 months. Inlet filter replacement when contaminated. Motor and cooling fan inspection periodically. Vacuum performance verified periodically. Chemical-resistant models may require more frequent maintenance with corrosive use.

Q7: Are supporting consumables universal?

A: Diaphragms, valves and filters are available from the manufacturer or authorized distributors, though compatibility should be verified. Long-term consumable cost is moderate depending on usage intensity and chemical exposure.

Q8: Can I customize parameters or supporting accessories?

A: Customization includes pumping speed, ultimate vacuum, chemical resistance, number of heads, regulator and gauge. Additional tubing, filters and accessories can be ordered separately. Custom orders extend delivery lead-time.

Q9: Does the purchase include on-site installation and commissioning service?

A: No complex installation is required beyond connection and power. The package includes the pump and instruction manual. On-site service is not included for this type of laboratory pump.

Q10: What types of applications are compatible with this equipment?

A: The diaphragm pump provides oil-free vacuum for compatible laboratory applications within the pumping speed and ultimate vacuum range. Highly corrosive vapors require chemical-resistant model verification. Condensable vapors may require a cold trap to protect the pump. Particulate matter requires inlet filtration. Users should verify chemical compatibility of diaphragms and valves with the vapors being pumped, use appropriate inlet filtration and cold traps as needed, avoid pumping liquids into the pump, follow scheduled diaphragm and valve maintenance, and ensure proper ventilation for motor cooling. The oil-free design requires no oil changes but regular diaphragm inspection is essential for maintaining vacuum performance.

Tips: For more details, quotes and customized solutions, please contact us anytime. We’re always ready to serve you professionally.

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