HSZ-NEW VD CHAIN BLOCK

Our company’s latested products HSZ-NEW VD series chain block

Compaired with common products they have the following advantage:

1.The new VD chain block is a relatively high-end chain block of the company and a relatively high-end product of our company. Compared with ordinary VD type, it has higher strength Smoother operation; Lighter hand pull.

2.Including Bracelet wheel and non-return washer

The advantage of the non-return washer is that when the hoist chain suddenly drops to the bottom, the sprocket and nut will not be locked, resulting in the hoist lifting chain can not fall, resulting in safety problems.Optimizaltion transmission and you can use less pulling force to operate it.

3.Brake assembly including brake seat, friction plate, ratchet and ratchet

The connection mode between the brake seat and the long shaft is spline connection. It’s easier  installation and convenient maintenance. The friction plate of the same specification is larger and the braking is more stable

4.The inside of the lifting sprocket contains needle roller bearing, which is matched with the long shaft gear. The friction between various accessories is reduced, and the hand tension of the hand zipper is reduced by 5% - 10%