For on-site grinding and maintenance of safety valve seats, improving repair efficiency while reducing labor intensity and maintenance costs.
The M-100 portable valve grinder is a new-generation tool specially developed for on-site valve repair and maintenance. Designed to reduce labor intensity, improve working efficiency, and lower maintenance costs, this product has fully replaced imported alternatives. It is widely used in petroleum, chemical, metallurgy, power generation, and other industrial fields where fast and reliable valve maintenance is required.
The M-100 Relief Valve Grinder is designed for on-site grinding and maintenance of valve seats without disassembling the valve.
Its compact structure and portable design allow operators to perform efficient grinding operations directly at the installation site, even in complex working environments. The combined structural design ensures easy installation, simple operation, and stable grinding quality, making it an ideal solution for routine valve maintenance and emergency repairs.
| Scope of application | Cone valve seat: 60°, 75°, 90° (DN10–60mm) |
| Flat valve seat: DN20–150mm | |
| Applicable valves | Safety valves |
| Maximum grinding depth | 250mm |
| Input voltage / current | 220V / 2.9A |
| Power | 750W |
| Operating weight | 3kg |
For hydrostatic pressure testing and residual deformation inspection of mobile gas tanks in accordance with national safety standards.
For comprehensive performance testing and calibration of full-face respirators and breathing protection equipment.
For opening pressure, vacuum, water pressure and ventilation performance testing of breather valves, compliant with GB, API and SY/T standards.
For amplifying low-pressure gas into stable high-pressure output in high-pressure and large-flow gas applications.
For integrated inspection and performance verification of oil tank breathing valves, hydraulic relief valves, and flame arresters in accordance with CNPC standards.
For static pressure resistance and burst testing of hoses, pipes, joints, pressure vessels, and other pressure components in compliance with international and domestic test standards.
For pressure pulse fatigue testing, stability verification, and durability evaluation of hoses and pressure components under controlled pressure waveforms.
For high-precision grinding and on-site maintenance of safety valve seats and valve discs.
For comprehensive performance testing and evaluation of air breathing apparatus and respiratory protection devices.
For air tightness and air opening performance inspection of submarine valves used in fuel tank trucks and tankers.
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