BS EN ISO 6802-2018 pdf download

08-27-2020 comment

BS EN ISO 6802-2018,Rubber or plastics hoses and hose assemblies – Hydraulic impulse test with flexing.BS EN ISO 6802-2018 pdf free download here.
Hydraulic hoses and hose assemblies are frequently flexed in service. As there is a possibility that this needs to be taken into account during testing, this document provides a standard method of flexing during impulse testing.
BS EN ISO 6802-2018 describes hose impulse testing, with flexing, of rubber or plastics hydraulic hose assemblies at both high and low impulse pressures. The high-pressure testing is carried out at pressures greater than 3 MPa and the low-pressure testing at pressures from 1, 5 MPa to 3 MPa. The test procedure is applicable to hydraulic hose assemblies that are subject to pulsating pressures in service which are included in the product requirements.
2 Normative references
ISO 3448, Industrial liquid lubricants-IS0 viscosity classification;
ISO 6803, Rubber or plastics hoses and hose assemblies-Hydraulic-pressure impulse test without flexing;
ISO 8330, Rubber and plastics hoses and hose assemblies-Vocabulary;
ISO/TR 11340, Rubber and rubber products-Hydraulic hose assemblies- External leakage classification for hydraulic systems;
4 Test methods
There are two methods of flexing; Method 1 by the use of a revolving manifold as shown in Figure l,and Method 2, by the use of a horizontally sliding manifold as shown in Figure 2.
Both Method 1 and Method 2 shall follow requirements related to pressure and temperature as specified in ISO 6803
The above test methods shall have the option to be also run with cool down leakage test (see Clause 8).

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