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6″ Piranha Dredger

6″ Piranha Dredger

Light weight slim lined dredger designed to fit directly to the side of any work class ROV

The STS Piranha range is Subsea Tooling Services latest design of high performance dredging equipment. A light weight slim lined dredger designed to fit directly to the side of any work class ROV.

The dredger system comes with 360 degree swivel heads which dramatically reduces wear on the ROV manipulator by eliminating all the rotation torque from the suction hose, making dredging much easier and more efficient.

Operational Specifications

Hydraulic Flow: 35* – 80 Litres per minute ( * Minimum )

Optimal Hydraulic Pressure: 150 – 210 Bar

Gross Water Flow: 7500 Litres per minute (Through Ejector)

Removal Capacity Sand m3/h ( Tons per hour): 50.7 m3/h (65 Tons per hour)

Removal Capacity Rocks m3/h ( Tons per hour): 34.3 m3/h ( 55 Tons per hour) ** Based on a rock size of 50 – 120mm rocks**

Unrestricted Diameter: 150mm

Dimensions of Dredger L x W x H x W-Kg (Assembled): 2320mm x 280mm x 450mm x 50 Kg

Dimensions of Transit Case L x W x H: 2450mm x 350mm x 500mm

Hydraulic Hoses Supplied: 3 x Certified Hose’s 3000mm Long c/w 8 JIC Female Swivel (6 JIC Case)


Can be mounted to any Work Class ROV safely & quickly

Depth rated to 5000 MSW

Slim line design to fit through tight A frames

Lightweight design

Remote flexible exhaust system optional

Built in depth compensator

4 stage pressed stainless steel pump system

Self-standing unit to avoid manual handling issues

Quick pump coupling for fast re-configuration of the system
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