1. The sealing system has excellent physical properties and corrosion resistance and has a special form of three layers of sealing folds between the main devices, to ensure the tightness of the steel pipeline.2. The rubber inner ring type has special elasticity, which can overcome the axial and radi

Project Location: South Africa. Product: Seamless steel pipe. Material: carbon steel. Size: 804x5x12000mm. Application: Fluid transport project. Arrival time: 07.10.2022.The steel pipes have arrived in South Africa and were put into project use. Many cooperations have given the customer full confide

The concept of thin-walled spiral steel tube: the strip steel is fed into the welded pipe unit, rolled by multiple rollers, and the strip is gradually rolled up to form a circular tube blank with an opening gap, and the reduced amount of the extrusion roller is adjusted to make the welding seam gap.

There are roughly four types of spiral pipes according to their uses: drainage spiral pipes, dredging spiral pipes, piling spiral pipes, and oil and gas spiral pipes.Spiral pipe for drainageSpiral steel pipe material for drainage: Q235A, Q23b, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, Q345, L

1. Multi-storey building fire pipe network settinga. When there are more than 10 indoor fire hydrants and the fire water consumption exceeds 15L/s, the indoor fire water supply pipeline should have at least two water inlet pipes connected to the outdoor pipe network, and the indoor pipes should be l

The processing of the outer anti-corrosion layer of the steel pipe must be strict to the design requirements and relevant national standards. The rust removal must reach Sa2.5 level, and the primer must be applied within 2 hours after the rust removal is completed. Every time a glass cloth is proces

In the production process of stainless steel welded pipe, intermediate heat treatment and finished heat treatment can be carried out. Because a bright surface without oxidation can be obtained, the traditional pickling process is eliminated. The use of this heat treatment process not only improves t

1. During the welding process, the current supplied to the welding torch is too small, and the capacitor time is too short. When the capacitor is not fully welded, the welding surface has hardened, so there are sand grains or air bubbles that have not been fully welded.2. When the strip enters the a

Thick-walled steel pipes have a wide variety of steel types and specifications, and their performance requirements are also various. All of these should be differentiated as user requirements or working conditions change. Generally, steel pipe products are classified according to cross-sectional sha

1: Flange connection:Generally, the flange connection speed is fast, the construction is convenient, and the tools are simple, but in terms of safety and sealing, it cannot meet most engineering requirements. Generally, pipes with low pressure and frequently used pipes are suitable for this connecti