Maotong Squeeze-Type Leak Detection Equipment for Bagged Products

2026/03/17 14:09

Core Product Model: MT-DZ-XL-S1--01 (Inline Squeeze Detector)


Technical Principle:

Utilizing squeeze-belt detection technology, the system creates a compression zone between a flexible squeeze belt and a lower conveyor belt to continuously apply pressure to bagged products. Sensors mounted on the squeeze belt detect changes in internal bag pressure; a controller converts these readings into digital signals for analysis, thereby determining whether the product is leaking.


Key Performance Parameters:

• Detection Speed: Up to 180 bags/minute


• Detection Range: 0.08 – 0.5 MPa


• Detection Accuracy: Better than 0.02 MPa


• Rejection Rate: ≥ 99.99%


• Power Requirements: Single-phase AC 220V, 50Hz; Total Power: 250W


• Air Source Requirements: Compressed air, 4–8 Bar


• Equipment Dimensions: 1600mm × 700mm × 600mm (Width × Height × Depth)


• Equipment Weight: Approx. 80 kg


Comparative Advantages Over Traditional Detection Methods

Detection Method Maotong Automation Equipment Traditional Manual Methods
Detection Efficiency180 bags/minute; fully automatic, continuous detectionManual inspection (one by one); low efficiency 
Detection AccuracyPressure sensor detection; accuracy of 0.02 MPa Relies on human sensory judgment; highly subjective
ConsistencyStandardized pressure control; stable and reliable resultsHeavily influenced by operator experience 
ApplicabilitySupports detection of both high-pressure and low-pressure productsLess effective on products made of thick, rigid materials 
Data RecordingReal-time dynamic display of multiple sets of rejection dataNo data recording; difficult to trace back results


Maotong Company Background


Company Profile: Jinan Maotong Inspection Equipment Co., Ltd. is a national high-tech enterprise integrating R&D, manufacturing, and sales. Formerly known as Maotong Technology (Beijing) Co., Ltd., the company has focused on machine vision and automated detection technologies since 2006, accumulating extensive experience across industries such as food, brewing, beverages, and pharmaceuticals. 

Company Address: Building E6-01, Phase II, Zhihuiling Intelligent Manufacturing Technology City, No. 4567 Gongye North Road, Licheng District, Jinan City, Shandong Province.


Applicable Industries: Primarily utilized in the food, brewing, beverage, and tobacco industries. Our products have been exported to over 20 countries and regions, including India, Malaysia, Indonesia, Australia, South Korea, and Russia.


Equipment Features and Application Scenarios


1.  High-Precision Detection: Employs DSP (Digital Signal Processing) technology to accurately detect defects such as improper sealing and micro-leaks.

2.  Intelligent Operation: Features a user-friendly Human-Machine Interface (HMI), supports a pre-squeeze function, and includes an audible and visual (flashing light) alarm system.

3.  Broad Applicability: Suitable for leak detection across a wide variety of bagged products, including bread, snacks, and vacuum-packaged foods.

4.  Online Integration: Can be directly integrated into existing production lines to enable 100% full inspection, thereby replacing traditional manual sampling methods.


Maotong’s squeeze-type leak detection equipment leverages automation technology to resolve the issues of low efficiency and subjective results inherent in traditional manual inspection methods, providing manufacturers of bagged products with a reliable solution for quality control. If you require more detailed technical specifications or an on-site demonstration, please contact the company directly to receive professional assistance.


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