EN ISO 28017:2011
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Rubber hoses and hose assemblies, wire or textile reinforced, for dredging applications - Specification (ISO 28017:2011)
31-05-2012
15-11-2011
ISO 28017:2011 specifies requirements for two types, seven classes and three grades of wire- or textile-reinforced dredging hoses with nominal sizes ranging from 100 to 1 200. Within each class, all grades and sizes have the same maximum working pressure. Such hoses are suitable for the delivery or suction of seawater or freshwater mixed with silt, sand, coral and small stones with a specific gravity in the range from 1,0 to 2,3 at ambient temperatures ranging from -10 °C to +40 °C.The standard covers two types of hose, as follows:type 1: floating type, for delivery only, which includes flotation material to give the hose buoyancy; type 2: submarine type for delivery and suction. It does not specify requirements concerning the service life of hoses or hose assemblies. Specifying such requirements is the responsibility of the customer, in consultation with the hose manufacturer.
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