Product Overview

The MZ-900 is a portable valve grinding machine specially designed for maintenance of large gate valve sealing surfaces.

With an adjustable grinding disc and telescopic arm structure, the machine provides flexible configuration for large-size gate valve seat and disc repair.

The portable design allows maintenance teams to restore sealing performance directly on site, reducing valve removal requirements and minimizing downtime.

Applications

• Large gate valve seats

• Large gate valve discs

• Large industrial valve maintenance

• On-site valve sealing surface restoration

Product Features

• Adjustable grinding disc structure

• Adjustable telescopic arms for different valve sizes

• Designed for large gate valves up to DN900

• Chain-drive transmission for stable operation

• Portable structure for field maintenance

• Suitable for power plants, oil and gas, and industrial facilities

Technical Specifications

Model: MZ-900

Applications: Large gate valve seats and gate valve discs

Grinding range: Φ400–960 mm

Valve size: DN400–900 (16″–36″)

Drive type: Chain drive

Structure: Adjustable grinding disc and telescopic arms

Power supply: AC 220 V / 50 Hz

Motor power: 1100 W

Maximum grinding depth: 1000 mm

Equipment weight: 120 kg

Model Selection Information

The valve size range is provided for reference only. The correct machine configuration should be selected according to the actual sealing diameter, valve structure, valve opening size, and installation conditions.

Please provide the following information for technical recommendation:

• Valve type

• Valve size and pressure rating

• Actual sealing-surface diameter

• Gate valve seat and disc dimensions

• Required grinding depth

• Available installation space

• Valve drawings or clear photos

Typical Industries

The MZ-900 is widely used in power generation, petroleum, petrochemical, chemical processing, metallurgy, shipbuilding, water treatment, and other industries requiring large valve maintenance.

Technical Support

We provide technical documentation, product selection assistance, operation guidance, and after-sales support.

Please contact us with your valve information and maintenance requirements for a suitable grinding solution.