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发布日期:2021年12月06日
EN16643 Hose Assembly Electrical Property Grades

The hose assembly electrical property grades and electrical resistance limits are defi ned 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.

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EN16643 Electrical Grade
For Hose Assembly
EN16643 Description Example Hose
Assembly
Grade M Electrically bonded without static-dissipative lining or cover SW, SB GP
Ends BSPT fixed male
M/Ω-L Electrically bonded and static-dissipative liningSW, SB AS
Ends BSPT fixed male
M/Ω-C Electrically bonded and static-dissipative cover SW, SB GP EPDM(AS)
Ends BSPT fixed male
M/Ω-CL Electrically bonded and static-dissipative cover and lining SW, SB AS EPDM(AS)
Ends BSPT fixed male
I Electrically insulated
(no electrical bonding AND no static-dissipative layers)
SW, SB GP TO
Ends fixed male
Ω-L Static dissipative lining without electrical bonding SW, SB AS TO
Ends BSPT fixed male
Ω-C Static dissipative cover without electrical bonding SW, SB GP EPDM(AS)
Ends Fixed BSPT male PP
(special order)
Ω-CL Static dissipative cover and lining without electrical bonding SW, SB AS EPDM(AS)
Ends Fixed BSPT male PP
(special order)