The emergency stop button of the roadheader USES normally closed contacts.
Ac vacuum contactor is a kind of automatic control electric apparatus.
Gaskets, there are many types: flat, spring, floral, and so on.Its biggest use is to increase the force surface,
The bolt performance is divided into 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 and other more than 10 grades.
High pressure flanges are also called flanges or flanges the parts that connect the pipes to each other are usually connected to the end of the pipe.
There are many kinds of roadheader allocators, among which 2 allocators and 3 allocators are the main and common ones.
Different working environments have different nozzle designs, so a suitable nozzle is selected to achieve good performance.