How to identify the quality of proof chain hoists

    Proof chain hoists are very suitable for manufacturing the explosive, flammable, magnetic and erosive using security tools. More practical than ordinary chain hoists, safe and reliable.hoist equipment Proof chain hoists with durable, excellent strength machine; performance, easy maintenance; feel good hand zippers, hand-pull small, high transmission efficiency; advanced structure, beautiful appearance, greatly reducing the operator's labor intensity, etc. and other advantages, Here is your proof chain hoists to explain how to identify good or bad quality, for your reference.
       First, this explosion proof chain hoists its performance to be in full compliance with national GB/10686-1989 standards.hoist equipment Second is to see gourd material, proof chain hoists material is used in the manufacture of aluminum bronze, beryllium copper as the blank, the shell is made ​​of H62 copper alloy, due to the special nature in the selection of materials does not impact or friction sparks. Identification proof chain hoists quality mainly from the National Institute of Standards and material hoists on the judge.
       Select  manual hoist  and other lifting products must pay attention to product quality, only the high standards of quality lifting products, in order to have better security.