DURLMARK – BLOG

Pipeline Connection of Lap Joint Flanges

By Durlmark Industrial | Jul 16,2017

1.The connection of stainless steel pipelines and lap joint flanges is suitable for connection of pipes with equal or different diameters.Such connection is detachable connection.

Disassembly and Cleaning of Gate Valve

By Durlmark Industrial | Jul 16,2017

a. Select valve wrench, screwdriver, pry bar, machining bars and other tools according to its required specifications.

Heat Treatment Technology of Precise Stainless Steel Pipe

By Durlmark Industrial | Jul 15,2017

Precise stainless steel pipe refers to stainless steel pipes with austenitic organization in normal temperature.

Stainless Steel Pipefitting Transportation and Machining

By Durlmark Industrial | Jul 15,2017

This technical article introduces some knowledge of the transportation and machining of stainless steel pipefitting.

Features of Carbon Steel Flanges

By Durlmark Industrial | Jul 15,2017

Carbon steel flange is used for pipeline connection. It is an important part and has its own performance advantages.

Four Major Advantages of New Ceramic Valves

By Durlmark Industrial | Jul 15,2017

At present, with hundred years of development, metal valves have been widely used in China's industry. Limited by the conditions of metal material itself

Corrosive Forms of Sanitary Stainless Steel Tubes

By Durlmark Industrial | Jul 14,2017

Corrosive forms of sanitary stainless steel tubes mainly includes crevice corrosion, pitting corrosion, balanced corrosion, intergranular corrosion and stress corrosion, etc.

GB Elbow Molding Technology Basic Process

By Durlmark Industrial | Jul 14,2017

This technical article introduces the molding technology and basic process of GB elbow.

Production Process of Weld Neck Flanges

By Durlmark Industrial | Jul 14,2017

Weld neck flange is a kind of flange. As parts, two flanges can be used for connecting the end of a pipe to the end of another pipe, tightly fastened by bolts through holes around flange periphery.

Upper Threaded Stem and Lower Threaded Stem

By Durlmark Industrial | Jul 14,2017

Because of the different positions of stem thread, stem of globe valve can be divided into upper threaded stem and lower threaded stem.