DURLMARK – BLOG

Features of Sulfate Electro Galvanizing Technology

By Durlmark Industrial | Jul 23,2017

There are some features about sulfate electro galvanizing technology.

Four Methods of Pipeline Connection

By Durlmark Industrial | Jul 23,2017

The connecting ways of pipe fitting, pipe connecting parts and valves rely on the nature of the fluid, pressure, temperature, pipe material, size and where it is installed.

Some Knowledge Points of Slip On Flanges

By Durlmark Industrial | Jul 23,2017

Slip on flanges are the most common flanges in China and they can be classified into three types according to the sealing surface: flat faced slip on flanges, concave convex surface slip on flanges and mortise grooved slip on flanges.

Reasons Damaging Sealing Face of Valve

By Durlmark Industrial | Jul 23,2017

Sealing face on valve is used to cut off, connect, regulate, distribute, separate and blend media. So, sealing face is usually corroded, eroded and wore by media and is damaged easily.

Advantages of Stainless Steel Nodes Heat Exchange Tube

By Durlmark Industrial | Jul 22,2017

With the constant development of industrial technology, the industrial equipment also has been developed rapidly. As a newly developed heat exchange tube with high efficiency

Slit and Seamless Stainless Steel Pipe

By Durlmark Industrial | Jul 22,2017

Stainless steel pipe is a hollow long round steel, and is widely used in industrial pipeline and mechanical structure parts such as petroleum

Classification and Feature of Flange

By Durlmark Industrial | Jul 22,2017

1. By materials: carbon steel flange, cast steel flange, alloy steel flange, stainless steel flange, copper flange, aluminum flange, plastic flange, PPC flange and so on.

Metal Sealing Trunnion Ball Valve, New Ball Valve

By Durlmark Industrial | Jul 22,2017

Metal sealing trunnion ball valve is the new generation of high performance ball valve, appropriate for long distance pipeline and common industrial pipeline.

Major Types of Welded Pipes

By Durlmark Industrial | Jul 21,2017

This article introduces several major types of welded pipes, including their applications and standards in detail.

The Production of Punched Bend

By Durlmark Industrial | Jul 21,2017

Cold extrusion of bend forming process is in the use of specified elbow forming machine, making the pipe fitting be included in the external formwork, upper and lower mould clamping,