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发布日期:2021年04月15日
EN16643 Hose Assembly Electrical Property Grades

The hose assembly electrical property grades and electrical resistance limits are defined within EN 16643 and tested in accordance with BS EN ISO 8031. Aflex Hose electrically conductive (EC) assemblies are defined in EN 16643 as electrically bonded and given the symbol M.  M-grade assemblies exhibit a maximum electrical resistance of 100Ω between end fittings. Aflex Hose anti-static (AS) PTFE liners and rubber covers are termed static dissipative within EN 16643 and given the symbol Ω followed by letters that specify either the liner, cover or both; L=liner, C=cover, CL= cover & liner. Ω-grade covers or liners exhibit an electrical resistance of 103-108Ω.

The table below identifies each EN 16643 electrical grade for a hose assembly along with a brief description and example assembly configuration.

 

EN16643 Electrical Grade
For Hose Assembly
EN16643 Description

Example Hose
Assembly

Grade M Electrically bonded without static-dissipative lining or cover HFX GP SS Sarlink
Ends Fixed male
M/Ω-L Electrically bonded and static-dissipative lining HFX AS SS Sarlink
Ends Fixed male
M/Ω-C Electrically bonded and static-dissipative cover HFX GP SS EPDM (AS)
Ends Fixed male
M/Ω-CL Electrically bonded and static-dissipative cover and lining HFX AS SS EPDM (AS)
Ends Fixed male
I Electrically insulated
(no electrical bonding AND no static-dissipative layers)
HFX GP AM
Ends Fixed male
Ω-L Static dissipative lining without electrical bonding HFX AS AM
Ends Fixed male
Ω-C Static dissipative cover without electrical bonding HFX GP AM
EPDM(AS)
Ends Fixed male
Ω-CL Static dissipative cover and lining without electrical bonding HFX AS AM EPDM(AS)
Ends Fixed male