A piston valve body cleanliness detection device
By introducing a multi-stage filter element and a cleaning slide frame extraction-return system into the piston valve body cleanliness testing device, the problem of secondary pollution during air replacement is solved, ensuring the accuracy of the test results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANLOCK FLUID TECH (LANGFANG) CO LTD
- Filing Date
- 2025-05-22
- Publication Date
- 2026-07-07
AI Technical Summary
Existing piston valve body cleanliness testing devices are prone to introducing external contaminants when changing air, affecting the accuracy of the test results.
A piston valve body cleanliness detection device was designed, which adopts a multi-stage filter element and a cleaning slide frame structure. Through the circulation system of the air extraction chamber and the air return chamber, the device maintains a clean environment inside and prevents external air from entering.
This effectively maintains a clean environment within the testing frame, prevents secondary pollution from external air, and ensures the accuracy of test results.
Smart Images

Figure CN224471638U_ABST