The PLOP series overpressure test bench utilizes liquids (such as water or oil) as the testing medium and can be custom-configured to meet the specific testing requirements of the instruments under test. Test parameters are set via computer software or a PLC controller; once the target pressure is reached, the system performs overpressure and leak tests. Upon completion of the holding period, the system automatically evaluates the test results. Key features include a high degree of automation, precise and stable output pressure, ease of operation, and reliable performance.
| Model | Pressure boost ratio | Applicable pressure gauge range (MPa) | Minimum set pressure | Maximum Pressure | Control Mode (Multiple Selection) | ||
|---|---|---|---|---|---|---|---|
| Manual Pressure Regulation | Multi-point Selection | Multi-point Cycle | |||||
| PLOP-10M | 16:1 | 1, 2.5, 4, 6 | 1 MPa | 10 MPa | Precision pressure regulating valve | Proportional Valve | Proportional Valve |
| PLOP-40M | 64:1 | 4, 6, 10, 16, 25 | 4 MPa | 40 MPa | Precision pressure regulating valve | Proportional Valve | Proportional Valve |
| PLOP-80M | 100:1 | 6, 10, 16, 25, 40, 60 | 6 MPa | 80 MPa | Precision pressure regulating valve | Proportional Valve | Proportional Valve |
| PLOP-130M | 175:1 | 10, 16, 25, 40, 60, 100 | 10 MPa | 130 MPa | Precision pressure regulating valve | Proportional Valve | Proportional Valve |
| PLOP-200M | 255:1 | 16, 25, 40, 60, 100, 160 | 16 MPa | 200 MPa | Precision pressure regulating valve | Proportional Valve | Proportional Valve |
| PLOP-320M | 400:1 | 25, 40, 60, 100, 160, 250 | 25 MPa | 320 MPa | Precision pressure regulating valve | Proportional Valve | Proportional Valve |
| PLOP-400M | 255×2:1 | 40, 60, 100, 160, 250, 400 | 40 MPa | 400 MPa | Precision pressure regulating valve | Proportional Valve | Proportional Valve |
| PLOP-600M | 400×2:1 | 100, 160, 200, 250, 400, 500 | 100 MPa | 600 MPa | Precision pressure regulating valve | Proportional Valve | Proportional Valve |
Applications
- Pressure gauge overpressure testing
- Pressure sensor overpressure testing
- Leak testing
- Pressure holding testing
- Durability and reliability testing
- Quality control and product inspection
Key Advantages
- Liquid Testing – Uses water, oil, or other suitable liquid media.
- Accurate Pressure Control – Provides precise and stable output pressure.
- Automatic Operation – Software or PLC control for test parameter setting.
- Automatic Result Evaluation – Automatically evaluates test results after the preset holding time.
- High Automation – Reduces manual operation and improves testing efficiency.
- Customized Solution – Test specifications and fixtures can be customized according to customer requirements.
- Reliable Performance – Suitable for repeated industrial testing and quality inspection.


