Old coupler are the ones that are recycled at the end of the project. They are usually found in leasing stations and building materials factories.Because the customer needs to budget the cost, the old coupler will be cheaper than the new one, so some customers will choose to use the old coupler to complete the project.
Old coupler and new coupler are same, the old coupler that USES on the project also is divided into 3 kinds: cross coupler, butt joint coupler, and rotary coupler.But the old coupler in the recycling more or less will appear incomplete phenomenon.Old couplers, including screws and nuts, appear to fall off during recycling.After such old coupler is recycled, repair processing should be carried out even, repair is successful continue to put into use.So how should the old coupler be chosen?Actually the quality of old coupler is bad to control, the factory that buys old coupler can be bought in each district coupler, its brand also is various, cannot same.So quality is good and bad.When choosing old couplers, find a manufacturer you can trust.When choosing, can undertake weighing to old coupler, see whether accord with the requirement on weight.Small make up to suggest everybody below the circumstance that the condition allows still choose to use new coupler, because new couplers is in quality control affirmation than old coupler is much easier.This can not only improve the construction efficiency, but also a guarantee of personal safety.
