High-Precision Dual-Station Safety Valve Grinding Machine

This high-precision dual-station safety valve grinding machine adopts triple trajectory motion with large-diameter high-hardness alloy grinding plates. It professionally repairs sealing surfaces of safety valve seats and discs with high precision and perfect sealing performance, serving as dedicated precision maintenance equipment for safety valve overhaul.

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Main Advantage

  • Triple trajectory precision grinding realizes full coverage uniform lapping, far exceeding manual quality and ensuring zero leakage sealing.
  • Dual-station independent grinding for valve seat and disc, compatible with DN20–DN150 safety valves, supporting multi-spec processing and higher productivity.
  • Durable and user-friendly design with high-hardness alloy grinding plates and 220V frequency speed regulation, long service life and low labor intensity.

Application

Safety valve maintenance, valve sealing repair, pressure equipment service, petrochemical industry, oil & gas station, refinery, power plant boiler room, pipeline system, pressure vessel factory, valve repair workshop, calibration & inspection institute.

All-Weather Adaptability

Operates on single-phase 220V civil power without three-phase power supply; small footprint and flexible placement, suitable for repair workshops, maintenance stations and inspection institutions.

Technical Parameters

ItemSpecifications
Applicable DiameterDN20 ~ DN150mm
WorkstationDual-station (seat + disc)
Grinding PlateΦ300mm rough / Φ280mm fine / Φ450mm alloy
Workpiece Parallelism0.03mm
Surface RoughnessRa0.8
Rotating Speed40 r/min, frequency adjustable
Power SupplyAC 220V 50Hz
Standard Grinding HeadDN20/25/32/40/50/65/80/100/150mm

Custom grinding head size, abrasive specification and machine dimension can be customized for your valve maintenance workshop.

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