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How to deal with the sealing method of steel flange leakage

How to deal with the sealing method of steel flange leakage

Keywords :How to deal with the sealing method of steel flange leakage        Update : 2023-04-10        View(s) : 526

1. Leakage location and condition The connecting steel flange bolts on both sides of the DN150 valve body leak. Since the steel flange connection gap is extremely small, it is impossible to inject sealant through the gap to eliminate the leakage. The leakage medium is steam, the temperature of t...

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld

Keywords :Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld         Update : 2023-04-07        View(s) : 540

The weld seam of the spiral steel pipe is longer than that of the straight seam steel pipe. If the pipe length is L, the weld seam length is L/cos(θ). However, most of the defects of steel pipes are concentrated in the weld seam and the heat-affected zone. The long weld seam means that the proba...

What should be paid attention to when welding galvanized steel pipe

What should be paid attention to when welding galvanized steel pipe

Keywords :What should be paid attention to when welding galvanized steel pipe        Update : 2023-04-06        View(s) : 1

The welding of galvanized steel pipe should pay attention to the following: 1. Galvanized steel pipes with a pipe diameter greater than 100mm should be connected by flanges or ferrule-type special pipe fittings. 2. For the weld between galvanized steel pipe and flange, to ensure the welding ...

The difference between fixed length and indefinite length of Q235A spiral steel pipe

The difference between fixed length and indefinite length of Q235A spiral steel pipe

Keywords :The difference between fixed length and indefinite length of Q235A spiral steel pipe        Update : 2023-04-04        View(s) : 535

The length of steel pipes used for pipelines, but for the convenience of users, when the steel pipes sold at any time are reserved for production, the Q235A spiral steel pipes are produced within the specified length of the steel pipes, but when the actual order is made, the steel pipes of stand...

Non-standard straight seam welded pipe processing method

Non-standard straight seam welded pipe processing method

Keywords :Non-standard straight seam welded pipe processing method        Update : 2023-04-03        View(s) : 515

There are many processing methods for non-standard straight seam welded pipes . Still, for non-standard straight seam welded pipes, more attention is paid to the strict control of the production process of high-quality and durable non-standard straight seam welded pipes, rather than the non-stand...

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