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There are valves and pipe fittings, which are all used in pipeline connection or control systems. Neither valve nor pipe fittings can exist independently

clip connection The connection form in which the valve and the two pipes are directly clipped together with bolts. Butt welding connection A connection method that is welded dir...

Flange connection This is the most common form of connection used in valves.

Preface to the preparation of valve models The valve model should usually indicate the valve type, drive mode, connection form, structural characteristics, sealing surface mater...

1. Pay attention to the storage environment of the valve. It should be stored in a dry and ventilated room, and both ends of the passage should be blocked. 2. The valve should b...

Parts of the valve must go through the following processes before assembly: 1. According to the processing requirements, some parts need to be polished, and the surface must not...

sealing requirements The sealing performance of the valve refers to the ability of each sealing part of the valve to prevent the leakage of the medium, which is the most importa...

Acceptance requirements Acceptance follows HG 20202-2000 "Degreasing Engineering Construction and Acceptance Specifications". Before assembly, each component is wiped ...

Cleaned parts must be kept sealed for installation. The requirements for the installation process are as follows: 1. The installation workshop must be kept clean, or a temporary...

Before installing the valve, carefully check whether the model and specification of the valve used are consistent with the design

(1) Threaded valve: The valve body has internal or external threads, which are connected to the pipe thread.. (2) Flange connection valve: the valve body has a flange, which is ...

By nominal pressure: (1) Vacuum valve: refers to the valve whose working pressure is lower than the standard atmospheric pressure. (2) Low pressure valve: refers to the valve wi...