AAC SPECIFICATION 418002 ISSUE 3 HYDRAULIC HOSE ...
AAC SPECIFICATION 418002 ISSUE 3 HYDRAULIC HOSE ...
AAC SPECIFICATION 418002 ISSUE 3 HYDRAULIC HOSE ...
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<strong>AAC</strong> <strong>SPECIFICATION</strong> <strong>418002</strong><br />
<strong>HYDRAULIC</strong> <strong>HOSE</strong> & FITTINGS FOR USE IN<br />
COAL MINING APPLICATIONS<br />
-16 25 1<br />
-20 31 1 ¼<br />
-24 38 1 ½<br />
EN 853/2SN25*<br />
(HI-TEMP)<br />
EN 853/2SN31*<br />
(HI-TEMP)<br />
EN 853/2SN38*<br />
(HI-TEMP)<br />
GH195-16<br />
GH195-20<br />
GH195-24<br />
<strong>ISSUE</strong> 3<br />
COPYRIGHT<br />
a) Code 61<br />
Flange<br />
b) O-Ring Face<br />
Seal Female<br />
Swivel<br />
*En 853 Standard Quoted For Dimensional Data Only – Does Not Cover High Temperature Hose.<br />
4.3 CONSTRUCTION<br />
The hoses shall be constructed as follows<br />
4.3.1 Inner Lining: Shall be a seamless extrusion from fabric reinforced polymer or Neoprene<br />
synthetic rubber. The material shall be compatible with mineral based oil to ISO 6743-4.<br />
4.3.2 Reinforcement: Shall comprise layers of high tensile steel wire, in accordance with the<br />
standards quoted above.<br />
4.3.3 Outer Cover: Shall provide protection against oil and abrasion and shall be manufactured<br />
from fire retardant non-toxic synthetic rubber.<br />
4.3.4 Abrasion resistance: When tested in accordance with the requirements of Clause 6.2<br />
herein, shall show a rubber loss of not greater than 0,5 gram per 2000 cycles.<br />
Note: Suction and high temperature hoses shall not be subjected to abrasion testing.<br />
4.3.5 Concentricity: Shall comply with the requirements of SAE J517 and EN 853 through EN<br />
857 when measured in accordance EN 24671.<br />
4.4 ADHESION<br />
When tested in accordance with the requirements of EN 28033 the adhesion between the<br />
hose cover and reinforcement shall not be less than 2,5 KN/m.<br />
4.5 RESISTANCE TO OIL IMMERSION<br />
The resistance to oil shall be tested according to SAE J343 and EN ISO 1817 as required<br />
and shall comply with the requirements of the appropriate hose specifications.<br />
4.6 MECHANICAL PROPERTIES<br />
The mechanical properties the hose cover and lining for the hoses and assemblies as<br />
specified in Table 1, before and after aging, shall be tested according to SAE J343 and<br />
EN ISO 1402 as required and shall comply with the requirements of the appropriate hose<br />
specifications.<br />
4.6.1 Design working pressures, bend radio and flexibility of hydraulic hose assemblies:<br />
shall be as shown in Table 2.<br />
<strong>AAC</strong>_SPEC_<strong>418002</strong>03 APPROVED 8 May 1991 Page 5 of 10<br />
Anglo Technical Division accepts no liability for any damage whatsoever that may result from the use of this material or<br />
the information contained therein, irrespective of the cause and quantum thereof.
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