For high-precision grinding and on-site maintenance of safety valve seats and valve discs.
The Relief Valve Grinding Tool is a professional on-site maintenance solution designed for precision grinding and refurbishment of safety valve sealing surfaces.
By combining the advantages of manual grinding accuracy with stable electric drive support, this tool achieves high-precision valve seat and disc grinding that cannot be reached by conventional electric grinders. It is portable, easy to operate, and suitable for various types of safety valve maintenance tasks.
The Relief Valve Grinding Tool consists of a grinding head, grinding plate, and fixed auxiliary tools, forming a complete solution for safety valve maintenance.
The OYM-150T Safety Valve Grinder adopts a dynamic grinding method in which the valve body rotates while the mold is manually guided, ensuring accurate surface fitting and consistent grinding results.
This design retains the precision advantages of manual grinding while significantly reducing labor intensity and improving efficiency. The equipment supports multi-track grinding and is suitable for a wide range of valve sizes and flat metal sealing surfaces.
| Product Type | Safety Valve Grinding Tool |
| Drive Type | Single-phase 220V electric drive |
| Grinding Method | Dynamic valve seat grinding |
| Grinding Tracks | Multi-track valve disc grinding |
| Lubrication | Adjustable automatic grinding agent (oil) device |
| Operation Mode | Manual-assisted electric grinding |
| Application | Safety valve seat and disc maintenance |
Highlight focuses on the design and manufacturing of pressure testing equipment and fluid control testing systems, supporting both standard models and project-based customization.
For power, chemical, metallurgy industries and professional inspection agencies.
For safety valve calibration and performance verification.
Range of application: Test the set pressure, setback pressure and tightness performances of direct loaded safety valves and pilot operated safety valves.
For safety valve calibration and performance verification.
For breathing valve, hydraulic safety valve and flame arrester testing, as well as mobile on-site inspection of oil tank accessories.
For subsea valve sealing testing, reverse sealing inspection and portable detection operation.
For subsea valve sealing testing, air opening verification and emergency shut-off valve inspection.
For opening pressure, vacuum, water pressure and ventilation performance testing of breather valves, compliant with GB, API and SY/T standards.
For on-site grinding and maintenance of safety valve seats, improving repair efficiency while reducing labor intensity and maintenance costs.
For valve seat grinding, valve disc lapping and on-site maintenance applications.
For clamping and calibration testing of DN15–DN200 safety valves using nitrogen as the test medium.
For emergency shut-off valve body strength testing, air tightness testing, excess flow performance testing, and shut-off time verification applications.
For comprehensive performance testing and evaluation of air breathing apparatus and respiratory protection devices.
For simulating human breathing conditions and automatically testing respirator performance, including breathing resistance, airtightness, and valve pressure compliance.
For comprehensive performance testing and calibration of full-face respirators and breathing protection equipment.
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