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Marine engine parts

Marine Engine Valve Spindle Series

Products cover mainstream domestic and international marine engine brands, meeting the requirements of different engine models. With export capability, we support customized production and export of international-brand engine valves, including OEM branding, drawing-based processing, non-standard customization and batch orders.

With export capability, we support customized production and export of international-brand engine valves, including OEM branding, drawing-based processing, non-standard customization and batch orders.

Marine engine intake and exhaust valve spindles and hardening processes

Materials

  • Si-Cr high-alloy valve steel: 4Cr10Si2Mo
  • Ni-Cr-Mn-N high-alloy valve steel: 23-8N
  • Ni-Cr-W high-alloy valve steel: SNCRW
  • Ni-based heat-resistant alloy steel: NI80A

Hardening processes

  • High Frequency Quenching
  • Hard Alloy Overlay Welding
  • Hydraulic Rolling
  • Chrome-plating
  • Nitriding
  • HVOF

Dimensions & customization

  • Overall Length: 200mm - 2000mm
  • Valve Disk Diameter: 60mm - 560mm
  • Stem Diameter: 14mm - 120mm
  • Custom dimensions and structures are available according to customer requirements

Compatibility & supply

Coverage for mainstream domestic and international marine engine brands

We support batch orders, OEM branding and long-term distribution cooperation, and provide product parameters, installation guidance and technical consultation.