Marine Compressor Pistons & Piston Rings

At Sourcing Marine, we provide high-performance Pistons and Piston Rings engineered for the extreme pressures of marine air compressors. These components are the frontline of your compressor’s efficiency, responsible for maintaining airtight compression and managing thermal expansion. Our pistons are crafted from high-strength alloys, paired with precision-engineered rings to reduce friction and oil carry-over, ensuring your Tanabe, Yanmar, or Sperre units run at peak volumetric efficiency.

  • Thermal-Stable Alloys: Pistons designed to resist deformation under high-temperature, high-pressure cycles.
  • Low-Friction Ring Coating: Advanced ring treatments to minimize cylinder liner wear and optimize sealing.
  • Broad Fleet Coverage: Direct-replacement stock for a wide range of Japanese and European compressor models.

Product Description

We supply complete piston assemblies and individual ring sets for the following series:

1. TANABE (Japan)

  • HC Series: HC-54A, HC-64A, HC-264A, HC-65A, HC-265A, HC-275A, HC-277A.
  • H Series: H-63, H-64, H-264, H-73, H-273, H-373, H-74, H-274, H-374.
  • Specialized: SHC-296D, LHC-277A, LHC-33, LHC-45A, LHC-54A, LSHC-20B/30A/40A, VLHH-74.

2. YANMAR (Japan)

  • SC-N Series: SC5N, SC7N, SC10N, SC12.5N, SC15N, SC20N, SC25N, SC30N, SC40N, SC50N, SC60N, SC75N.
  • Large Capacity: C300, C370, SC10N-TF, SC40N-TF.

3. SPERRE (Norway)

  • HV Series: HV1/120, HV1/140, HV1/156, HV2/200, HV2/210, HV2/219, HV2/220, V2/235, HV2/240, HV2/270, HV2/300.
  • HL Series: HL2/90, HL2/105, HL2/120, HL2/140, HL2/160.

4. J.P. SAUER & SOHN (Germany)

  • WP Series: WP60, WP100, WP110, WP135, WP160, WP185, WP220, WP270, WP320, WP370.
  • L Series: WP8L to WP150L, WP250L, WP255L, WP295L, WP300L, WP135-YS-E.

5. HAMWORTHY & HATLAPA

  • Hamworthy: 2SF4, 2SF42(F), 2TF5, 2TF54, 2TM6, 2TM61, 2TM62, 2TM63, 2TM67, 2TM68.
  • Hatlapa: L80, L100, L215, L220, L270, W80, W110, W140, W220, W280, W400, W420, W600.

6. SUCTIONGAS

  • Models: TCAX181465, TXAW2216137, TCAX2216146, TCWX22/14AT, TCWX221433.

Technical Features

  • Balanced Design: Precision weighting to reduce vibration and extend connecting rod bearing life.
  • Superior Sealing: Multi-stage ring configurations (compression, scraper, and oil rings) for maximum pressure retention.
  • Immediate Availability: Most models are kept in stock for rapid dispatch to global shipping hubs.

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