DURLMARK – BLOG
Because of high production efficiency, easy operation and reasonable price, flat weld flange and butt weld flange are most common weld flanges.
In petroleum, chemical engineering, pharmacy, fertilizer, power and other industries, chlorine is usually used as oxidizing agent for its excellent oxidability.
Currently, the worldwide manufactures are attach great importance to study and research of anti-corrosion to pipes, and many new materials and technologies are emerging.
Where can welded steel pipe and pipe bend be used? Here are some of them:
Flat welded flange has certain technical requirements and parameters in its production and usage, so it must be manufactured in accordance with certain production and processing methods.
At present, as a kind of component to cut off or control flow rate in pipeline system, stainless steel butterfly valve has been widely applied in petroleum, chemical industry,
There are several methods of quenching the OCTG pipes, dipping, axial injection, laminar jet and laminar jet combined with axial injection.
Here Durlmark Pipe Fitting offers six tips for the identification method of fake thick-walled seamless pipe.
With the rapid development of long-distance pipeline construction at home and abroad, pipeline pressure test has become indispensable and important.
Structure of safety valves mainly has two types: spring type and lever type.Spring type safety valves refer to that the sealing between disc and seat is depending on force of spring.