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Introduction to the product structure and characteristics of all-welded ball valves

Fully welded ball valve product structure:


City gas: gas output pipeline, main line and various branch supply pipelines, etc.

Centralized heating: output pipelines, main lines, and branch lines of large heating equipment.

Heat exchanger: the pipeline and each circuit are opened and closed.

Heat exchanger: the pipeline and each circuit are opened and closed.

Iron and steel plants: various fluid pipelines, exhaust gas discharge pipelines, gas and heat supply pipelines, and fuel supply pipelines.

All kinds of industrial equipment: all kinds of heat treatment pipelines, all kinds of industrial gas and heating pipelines.


Preparation work before installation of hard-seal all-welded ball valve

Features of fully welded ball valve:

Fully welded ball valve, there will be no external leakage and other phenomena.

The processing of the sphere is tracked and detected by an advanced computer detector, so the processing accuracy of the sphere is high.

Since the valve body material is the same as the pipe material, there will be no uneven stress, no deformation due to earthquakes and vehicles passing the ground, and the pipe is resistant to aging.

The body of the seal ring is made of RPTFE with a content of 25% Carbon, which guarantees no leakage (0%).

The direct-buried welded ball valve can be directly buried in the ground, and there is no need to build a large valve well. It only needs to set up a small shallow well on the ground, which greatly saves construction costs and engineering time.

Q347H型硬密封球阀

Q347H type hard seal ball valve


The length of the valve body and the height of the valve stem can be adjusted according to the construction and design requirements of the pipeline.

The processing precision of the sphere is very precise, the operation is light, and there is no bad interference.

The use of high-grade raw materials can keep the pressure above PN25.

Compared with products of the same specifications in similar industries, the valve body is small and beautiful in appearance.

Under the condition of ensuring the normal operation and use of the valve, the service life is more than 15 years.


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