Stainless steel stop valve is a kind of stop valve, which has high requirements for valve body materials. Generally, there are several materials such as 301.304.316, which are widely used in chemical industry, shipping, medicine, food machinery and other industries. Stainless steel stop valve is divided into manual stainless steel stop valve, pneumatic stainless steel stop valve and electric stainless steel stop valve.
2021-09-25In essence, the ball valve is a quarter turn rotary valve, that is, rotate it 90 degrees to fully open or close. It consists of a sphere with holes. According to the direction of steering, it can stop, allow or slow down the flow of fluid or gas through the pipe.
2021-09-25The sealing surface of multi-level hard sealing butterfly valve is made of superhard material or surface hardening treatment. The surface hardening of hard sealing ball valve can not be processed with ordinary tools. Even if it can be processed, its machining accuracy can not meet the requirements. Therefore, it is very important to select appropriate tools for machining.
2021-09-25