Vertical Lifting Clamp

Using for lifting steel vertical.
Only a single hoisting operation or using of two complementary, only a single vertical clamp lifting weights is the largest rated load. Lifting must be locking up the handle so that the spring tension; unloading when the locking handle down, relax spring, and clamp plate can bu separated. The vertical lifting clamp of dsq1, dsq2, dsq3 and dsq5, the proof load is 2 times working load limit, the breaking load is 4 times working load limit. The vertical lifting clamp of dsq8dsq12、dsq16, the proof load is 1.5 times working load limit, the breaking load is 3 times working load limit. Please read the product specification carefully before using it.