The valve grinding machine is mainly used to repair the valve, flange seal, and other mating surfaces that require precision sealing.

Gate valve grinding machine by grinding the valve spool, valve seat, or flange so that its sealing surface is closed to achieve the purpose of valve sealing.

Gate valve grinding machine is suitable for electric power, petroleum, chemical, metallurgy, paper, and other industries with the concentrated pipe-valve transmission of gas, water, and oil valve sealing surface repair.

Valve grinding machine is mainly divided into portable and desktop two types, portable valve grinding machine is mainly used for inconvenient disassembly of the valve online repair, desktop grinding machine for disassembly off-line valve repair.

The following are the hot sale gate valve grinding machines:


M100 DN20-175mm (1-7Inch) Portable Gate Valve Grinding Machine

Grinding scope:DN20-150mm 1"-6" 

Cone globe valve seat: Φ20~65mm, angle 60°,75°,90°

Flat globe-valve seat: Φ20mm-175mm

Motor power: 750W

Rated Voltages: 220V

Allowed adjustable length: L≤250mm

Operating weight: 3kg


MZ150 DN50-150mm (2-6Inch) Portable Gate Valve Grinding Machine (gear drive)

Grinding diameter: D=Dia225-Dia630mm adjustable

Valve DN:DN200-600mm (8"-24")

The electrical power: 1100W (Electric motor)

The greatest adjustment depth: 900 mm

Input voltage: 220 V

Operating weight: 25 kg

The smallest broaching size: B = 65mm



MZ-250 DN90-270mm (3-11Inch) Portable Gate Valve Grinding Machine (chain drive)

Grinding diameter: D=Dia95-Dia270mm adjustable

Valve DN: DN90-270mm (3"-11")

The electrical power: 1100W (Electric motor)

The greatest adjustment depth:600 mm

Input voltage: 220 V

Operating weight: 31.5 kg

The smallest broaching size: B = 45mm


MZ-600 DN200-600mm (8-24Inch)Portable Gate Valve Grinding Machine (chain drive)

Grinding diameter: D=Dia225-Dia630mm adjustable

Valve DN:DN200-600mm (8"-24")

The electrical power: 1100W (Electric motor)

The greatest adjustment depth: 900 mm

Input voltage: 220 V

Operating weight: 25 kg

The smallest broaching size: B = 65mm


Gate valve grinding machine is suitable for online and not online gate valve seats and spool.

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