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Grouting pipe

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Sleeve valve pipe is a special pipe used in grouting projects. It is widely used in chemical industry, construction, petroleum, fire protection, electric power and other fields. It is made of various materials, including carbon steel, cast iron, stainless steel and other metal materials. The specific choice depends on the use environment and pressure requirements. Sleeve valve tubes are usually designed with flange interfaces or threaded interfaces for easy installation and connection, ensuring tightness and stability. In a high-pressure environment, the safety valve design of the sleeve valve pipe is particularly important, which can effectively regulate the pressure and prevent the pipe from bursting.

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Grouting pipe

Geological Casing

Geological casing is a special pipe used for geological drilling and tunnel support. It mainly plays the role of wall protection, isolation and guidance, prevents hole wall collapse, isolates different strata, and serves as a drilling channel. Its materials include DZ40, DZ50, DZ60 and R780 series steel grades, and comply with national standards such as GB/T 14975-2012. It can be divided into drill pipes, drill collars, casing and other categories according to their uses, and is suitable for oil well drilling, tunnel support and other scenarios. There are various specifications and prices of geological casing to choose from, such as API5CTN80 L80 thick-walled oil casing, K55/J55 seamless oil casing, etc.

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Gas drainage pipes are special pipes used in coal mines to extract gas from coal seams, rock formations and goaf areas. They pump combustible gas to the ground or safe areas through negative pressure to prevent gas accumulation and explosions. Its core function is to ensure mine safety, and at the same time, the extracted gas can be utilized as resources (such as power generation, residential gas).

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Grouting pipe