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Chain & Chain sling proof testing EN818 / EN1667

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tigermoth

Mechanical
Joined
Dec 20, 2009
Messages
31
Location
NZ
Hi

Any idea why the Manufacturing Proof Test force in EN818 & EN1667 is 2.5 x WLL, while in ISO, AS3775 and other national standards, the value is 2.0 x WLL

Thanks
 
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