A diaphragm pump with a leakage detection device is designed to enhance safety, efficiency, and maintenance by detecting leaks in the diaphragm, which can prevent fluid contamination, pump failure, or hazardous situations. Below is an overview of its working principle, key features, and applications:
How It Works
Diaphragm Pump Basics:
Uses a flexible diaphragm to move fluid through check valves via reciprocating action.
Commonly used for handling corrosive, viscous, or abrasive fluids.
Leakage Detection Mechanism:
Dual Diaphragm Design: Many industrial diaphragm pumps have two diaphragms with a hydraulic fluid chamber in between.
Leak Detection Sensor: If the primary diaphragm fails, fluid leaks into the intermediate chamber, triggering:
Pressure/Vacuum Sensors: Detect changes in the hydraulic fluid.
Float/Conductivity Sensors: Identify fluid presence in the intermediate chamber.
Electronic Monitoring: Some pumps integrate IoT-enabled sensors for real-time alerts.
Automatic Shutdown (Optional):
Advanced systems may stop the pump upon detecting a leak to prevent damage or contamination.
Key Features
Prevents Cross-Contamination: Critical in chemical, food, or pharmaceutical applications.
Reduces Downtime: Early detection allows for timely maintenance.
Safety Compliance: Meets industry standards for hazardous fluid handling.
Versatility: Works with pneumatic, electric, or hydraulic diaphragm pumps.
Applications
Chemical Processing: Handling acids, solvents, or toxic fluids.
Water Treatment: Pumping chlorine, coagulants, or sludge.
Food & Beverage: Avoiding product contamination (e.g., dairy, syrups).
Oil & Gas: Transferring fuels, lubricants, or wastewater.
Medical/Pharma: Ensuring sterile fluid transfer.
Example Designs
Pneumatic Double Diaphragm Pump (AODD):
Uses compressed air; leaks are detected via a central chamber alarm.
Electrically Operated Diaphragm Pump:
Integrates electronic sensors linked to a control panel or PLC.
Advantages of Leak Detection
Cost Savings: Prevents product loss and pump damage.
Envir

Jianglang Technology Co., Ltd  is a professional enterprise involved in manufacturing and marketing the high quality pneumatic diaphragm pumps, electric diaphragm pumps for a wide range customers.

Jianglang Technology Co., Ltd headquartered in Shanghai, China with 2 production plants and branches.

Jianglang Technology Co., Ltd offers the latest technology in air-operated double-diaphragm (AODD) pumps.

AODD pumps are positive displacement reciprocating pumps that can be used in multiple fluid-transfer applications, and thanks to an unique design characteristics, AODD pumps are ideally suited for applications that require a robust, plug-and play, and easy-to maintain pump.

The main products are Pneumatic Diaphragm Pump, Air Operated Diaphragm Pump, Electric Diaphragm Pump, Piston Pump, FDA Sanitary Pump, Powder Pump, Control Valve, Ball Valve.

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The pumps are widely used in Chemical Industry, Petrochemical, Paint and Coating Industry, Water Treatment, Mining, Food and Beverage, Pharmaceutical, Ceramic, Paper Industry, Electronics, Textile, Automobile, Nuclear Power and New Energy Industries.

Jianglang Technology Co., Ltd participated in setting norms and standard No.: SH/T3191-2017. The company awarded as High-Tech Enterprise and Credit Company, our technology teams has got strong support from Shanghai University. Jianglang Technology provide a host of auxiliary training support programs covering areas such as equipment maintenance, pump selection skills, fluid transfer solution, chemical compatibility guide and even system equipment support.

As a certified company, Jianglang's diaphragm pumps and valves design, manufacturing and service comply with ISO 9001:2015/ GB/T 19001-2016 standard.

Our diaphragm pump and valve have got QUALITY MANAGEMENT SYSTEM CERTIFICATE, BUREAU VERITAS (BV) for Marine & Offshore, CE Marking Certification, European Conformity,  Functional Safety Certificate (SIL), SGS, FDA (U.S. Food and Drug Administration Food Facility Registration),  Health & Safety Management System Certificate, ect.

For over 20 years, we've focused on the success of our customers. We do more than supply fluid handling equipments.