NEWS


01

2022

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07

2022-07-01

Introduction of manhole flange

The manhole flange is a new design product that is completely different from the traditional high-pressure flange. It not only inherits the pressure-bearing capacity of the high-pressure flange, but also solves the flange problem to a certain extent. Let's take a look at the characteristics of the manhole flange to understand it all.

01

2022

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07

2022-07-01

The difference between stainless steel manhole and hand hole

The main difference between a manhole and a hand hole is just the size of the hole. The manhole is larger and the hand hole is smaller. Other differences: Intuitively, the seal of the manhole is a solid circular manhole cover, and the seal of the hand hole is a rectangular cover plate with relatively weak load-bearing.

01

2022

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07

2022-07-01

How to identify the authenticity of stainless steel pipe fittings

The wave of mobile Internet has swept across various fields, and the traditional environmental protection industry is also being greatly impacted by this energy. At present, the call for papers on the theme of "The Impact of the Mobile Internet Era on the Environmental Protection Industry", hosted by China Water Network/China Solid Waste Network/China Atmosphere Network and supported by Lisheng Enterprise, is in full swing.

01

2022

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07

2022-07-01

Polishing of stainless steel valves

The stainless steel valve is a safety emergency ventilation device installed on the top of the storage tank. It is usually used in conjunction with fire extinguishers and mechanical breathing valves to avoid sudden overpressure or vacuum in the tank, which may damage the storage tank and cause accidents. It is a safety device to protect the storage tank, especially suitable for the vaulted atmospheric tank whose storage material is capped with nitrogen.

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