DURLMARK – BLOG
The uneven wall thickness of steel pipes is mainly represented as uneven spirally wall thickness, uneven straight wall thickness and the ends are too thick or too thin, even the grinding technique is one of the important factors.
The main points of detailed connection technology of fire pipeline are as follows:
After quenching the fasteners, use silicate to clean and rinse them. If there were some solid matter on the surface, and found to be iron oxide and inorganic silicate by infrared spectroscopy
To solve the problem of valve water and steam leakage, we need to know why it happens. We need to make sure to seal the valve well, so that it can maintain air tightness.
Seamless steel pipes are mainly used in oil pipeline and gas pipeline, but seldom used in oil pipelines with long-distance.Most long distance pipeline applied ERW pipes, SSAW pipes and LSAW pipes.
Durlmark Industrial Inc. learn that the pipe for water supply almost is iron pipe.Sand mold cast iron pipes are mainly used outdoor; Galvanized iron pipes are used indoor and they can be divided into cold (electric) galvanized and hot dip galvanized.
As the many kinds of valve have become more and more commonly used in industrial area, Honest Industrial think it is necessary to make illustration about the installation of different valves.
There are many factors for the service life of large flange.Due to the high viscosity of the flange material and poor chip breaking performance
Generally, in terms of the surface treatment for stainless steel pipes, manufacturers have three methods, blenching treatment, polishing treatment and coloring treatment.
As the development of pipe industry, pipe and pipe fittings, including pipe coupling, pipe tee, pipe elbow are more and more widely use in industrial area.