Ultra-Portable & Field-Ready: Manufactured with advanced new materials, the M-300C is highly compact and lightweight. Its split-assembly design allows for rapid installation, making it the perfect tool for field work in diverse and restrictive environments.

Exponential Efficiency Gains: Equipped with a powerful motor and high-quality imported abrasive materials, the M-300C delivers grinding speeds 3 to 10 times faster than traditional manual lapping.

Precision Automation: Once set up, the machine performs automatic grinding. It features step-by-step adjustable speed control and smooth power transmission, guaranteeing a high-precision flat finish for optimal sealing surface contact.

Maximum Versatility: A highly adaptable tool capable of repairing gate valves, flat globe valves, and flanges made from a wide variety of materials.

The M-300C is modularly composed of a robust main machine, motor, adjustment bracket, probe arm, and grinding discs. The base and probe arm can be easily swapped to accommodate different valve types.

Safety & Maintenance: Designed with operator safety in mind. Always disconnect the power plug after shutdown to prevent accidental engagement. Routine maintenance is straightforward, requiring only basic cleaning and occasional application of molybdenum disulfide (butter) to the gears.

Multi-Stage Lapping Process: The system supports a complete finishing workflow—from coarse grinding using 60-120# grit sandpaper , to fine grinding at 240# , all the way to ultra-fine polishing using 400#+ abrasives and specialized lapping boards to achieve rigorous sealing pressure standards.

The M-300C’s reliability makes it the standard-issue maintenance equipment across heavy industries worldwide:

🏭 Metallurgy & Paper Manufacturing

⚡ Power Generation

🛢️ Petroleum & Chemical