Antravè is a kind of sling, which is widely used in various industries such as electric power, metallurgy, petroleum, machinery, railway, chemical industry, port, mining, construction and so on. Antravès are the same as other slings. They have their own set of application and invalidation specifications. Note for the use of chenns: The chenns must correctly support the load.
Sa se, fòs la efè yo ta dwe ansanm aks la nan liy santral la nan chenn lan yo anpeche koube ak enstab charj, nou pa mansyone Surcharge. Itilize ak invalidasyon nanchenn should be rolled flexibly in the lifting hole, and no jamming is allowed. Phenomenon: The chenn body must not bear the effect of lateral bending moment, that is, the effect bearing capacity should be in the plane of the body.

Maksimòm lan enkli ang ant de rigging nan janm pote pa lachenn cannot be greater than 120 degrees. The use and invalidation of chenns The chenn is that when the wire rope sling is used as a binding sling, the horizontal pin part of the chenn should be connected with the keyhole of the wire rope sling. The appearance is when the rigging is lifted.

Konfli ki genyen ant kòd la fil ak lachenn causes the chenn to roll, and there is a risk of detachment. The use and invalidation specifications of the chenn. The pin is deformed up to 5% of the original size; the bolt is necrotic or slippery.