ISO 28017:2018

Overview

ISO 28017:2018 - "Rubber hoses and hose assemblies, wire or textile reinforced, for dredging applications - Specification" defines technical requirements for rubber dredging hoses and hose assemblies used in marine and inland dredging. The standard covers wire‑reinforced and textile‑reinforced dredging hoses in nominal sizes from 100 mm to 1 200 mm, and specifies two hose types (floating and submarine), seven pressure classes (5, 10, 15, 20, 25, 30, 40 bar) and three grades for submarine hoses. It applies to delivery and/or suction of seawater or freshwater mixed with silt, sand, coral and small stones (specific gravity 1.0–2.3) at ambient temperatures from −10 °C to +40 °C.

Key topics and technical requirements

• Types and classification
  • Type 1: Floating delivery hose with integral closed‑cell flotation material (delivery only).
  • Type 2: Submarine hose for delivery and suction; subdivided into Grades A, B, C by reinforcing wire count.
• Pressure classes and sizes
  • Seven maximum working pressure (MWP) classes: 5, 10, 15, 20, 25, 30, 40 bar.
  • Nominal diameters: 100–1 200 mm.
• Materials and construction
  • Abrasion‑resistant rubber linings, steel or textile reinforcement layers, rubber/thermoplastic covers; specific lining and cover thicknesses specified by size.
  • Flotation material must be closed‑cell, bonded to hose and cover, evenly distributed for buoyancy.
• End fittings and connections
  • End fittings must be mechanically and chemically bonded; clamped/swaged nipples permitted only for suction hoses; flanged connections may require stiffening rings.
• Performance and testing
  • Mechanical and physical tests: hydrostatic (proof) testing, bending/flexibility, abrasion, tear, rebound resilience, ozone resistance, adhesion between components and fittings, vacuum resistance, tensile strength, buoyancy verification.
  • Frequency of type and routine tests, test certificates and marking requirements are specified.
• Limitations
  • ISO 28017:2018 does not define service life - that is agreed between customer and manufacturer.

Applications and users

• Practical uses: dredging contractors, offshore and inshore pipeline systems, mining and coastal engineering projects where slurry or sand-laden water is handled.
• Typical users: hose manufacturers, marine engineers, procurement/specification writers, QC laboratories, shipyards and equipment rental companies seeking compliant dredging hoses and hose assemblies.

Related standards

• ISO 8330 (vocabulary), ISO 4671 (dimensional measurement), ISO 1402 (hydrostatic testing), ISO 8033 (adhesion), ISO 7233 (vacuum resistance), ISO 4649 / ISO 34‑2 / ISO 4662 / ISO 1431 (rubber material tests).

ISO 28017 is the reference for specifying robust, tested rubber dredging hoses - use it when writing technical specifications, procurement documents or quality plans for dredging hose systems.