Kordil
Kordil Gravity Corer and Piston Corer
Kordil Gravity Corer and Piston Corer are sediment sampling systems for collecting seabed cores in coastal and deep-water environments. Both designs feature a 68 mm sample diameter, stabilizing fins, a replaceable PVC inner liner and a core catcher to reduce sample loss during recovery. Their customizable construction supports marine sediment investigations, geological surveys and sedimentology research.
Gravity Corer: Seabed Core Sampling
The Kordil Gravity Corer uses its own weight to penetrate the seabed and collect sediment cores up to 6 metres long. Its stainless-steel barrel provides a robust sampling chamber, while stabilizing fins assist vertical entry. The specified assembly weighs 600 kg including additional balancing weights.
A removable PVC liner facilitates sample extraction from the barrel. The replaceable core catcher helps retain the sediment, and the cutter can be exchanged for maintenance. This low-maintenance design is suitable for sampling deep-sea sediments and the mud-water transition zone.
Piston Corer: Soft and Cohesive Sediments
The Kordil Piston Corer adds a trigger-operated piston mechanism to the sediment coring system. Piston action reduces internal friction to support the recovery of longer sediment cores, particularly in soft mud and sticky, cohesive deposits. A mechanical trigger and cable arrangement sets the free-fall distance.
The piston corer also incorporates stabilizing fins, a replaceable PVC liner and an exchangeable core catcher and cutter. Its total weight is 600 kg including balancing weights. Applications include marine chemistry, geological investigations and sedimentology research.
Product Views
Technical Specifications
| Feature | Gravity Corer | Piston Corer |
|---|---|---|
| Sample diameter | 68 mm | 68 mm |
| Core sampling length | 2-6 m; samples up to 6 m long | Contact Kordil for the required configuration |
| Total weight including balancing weights | 600 kg | 600 kg |
| Inner liner | Replaceable PVC | Replaceable PVC |
| Sampling mechanism | Gravity-driven seabed penetration | Trigger-operated piston mechanism |
| Stabilization | Stabilizing fins | Stabilizing fins |
| Core catcher and cutter | Exchangeable | Exchangeable |
| Design | Customizable | Customizable |
The 2-6 m figure describes gravity-corer sampling length, not operating water depth. Contact Kordil to confirm the configuration for your operating depth and required core length.
Applications
- Coastal and deep-sea sediment sampling
- Seabed core collection and mud-water interface sampling
- Marine geological surveys and sedimentology research
- Marine chemistry investigations
- Piston coring of soft mud and cohesive sediments
Configuration and Quotation
Tell us your sediment type, required core length, operating water depth and vessel handling arrangement so we can discuss the appropriate corer configuration.
Request technical advice and a quotation from Kordil.
Technical Datasheet
Download the Kordil Gravity Corer and Piston Corer datasheet (PDF)