24 Hours Hotline:+86-13611965409

Home > News > News Show News Show

Black Steel Pipe Particles and Cross Sections

The time of issue:2014-10-22 9:17:30       Author:

Black steel pipe like all piping materials may expand and contract with changes in different temperatures. The coefficient of black steel pipe linear expansion might be 1/2 inch for more than fifty foot in terms of straight length. For most operating and installation conditions, the effects of black steel pipe thermal expansion and contraction are usually absorbed by the system without any doubt. In other words, changes in the piping may be attributed to the long straight runs so that steel pipe products are more susceptible. After we have experienced the black steel pipe measurable movement, we may further improve the pipe installed in un-heated building during the winter. This is because the installation of expansion loops, offsets, or bends is required on long straight runs so as to compensate for this movement.

As a matter of fact, this will allow the black steel pipe system to absorb forces that are generated by expansion or contraction without damage. At the same time, we can solve the above relationships iteratively to construct two dimensional maps of steel pipe products in cross sections. In addition, these maps indicate that black steel pipe particles have a radius larger than the locally defined critical pressure gradient forces. On the other hand, smaller particles must exit the black steel pipe vortex due to fluid particle drag forces. In summary, the theoretical model indicates that low density particles always enter the vortex in steel pipe products due to the radial pressure distribution. This tendency for radial entrainment is already present just after the vortices are formed at the black steel pipe junction.

However, particles will exit the vortex in the axial direction depending on the particle size since the situation is very different for particles with a higher density ratio. Due to this reason, the piping systems must be laid out so that the black steel pipe is not closely exposed to heat producing sources. What is more, the pipes should be kept away from light fixtures, ballasts and steam lines. This is because steel pipe products must not be positioned directly over open ventilation grills during periods of remodeling and renovation.

To do so, appropriate steps must be taken to protect the piping from fire exposure under varying temperatures of different heat sources. What is more, it is recommended to contact the appropriate black steel pipe manufacturers for further information. Although there is no exact minimum distance, fittings should be installed from specific heat sources. At the same time, minimum black steel pipe distances are a function of the specified heat source apart from the proper ambient temperature and heat shielding of steel pipe products.


Home | Products | Company Profile | News | Services | Contact Us | Online Inquiry | Sitemap Copyright © Shanghai Xin Lin Co.,Ltd.
We supply the following products: API steel pipe | black steel pipe | welded steel pipe