With the development trend of big cities, more and more valves are used by everyone, so the valve sales market is also developing. At present, there are various types of valves on the market. Among them, plastic pneumatic ball valves also account for...

①The rubber ring is produced at designated points to strengthen the quality control. Usually used for valves in the water supply industry, EPDM and nitrile rubber are used. Natural rubber is not used much. It is strictly forbidden to mix with reclaim...

Valve is a kind of pipeline accessory. It is a device used to change the section of pipeline and the flow direction of the medium, and control the pressure, flow and temperature of the conveying medium. Specifically, it has the following uses: 1. Con...

 Plastic pneumatic butterfly valve is composed of fine, medium and small pneumatic regulating valve and pVC valve. It is mainly used to interrupt, connect and adjust the material in the pipeline. It has excellent liquid handling characteristics and s...

Leakage of valve body: the reason: 1. The valve body has blisters or cracks; 2. The valve body is cracked during repair welding deal with: 1. Polish the suspected cracks and etch them with 4% nitric acid solution. If there are cracks, they can be rev...

With the rapid development of the times, plastic pneumatic butterfly valves are used in many industries, such as the unavoidable pure water and domestic drinking water piping systems in our lives, urban drainage and sewage piping systems, salt water ...

The main features of the valve are its simple and compact structure, convenient repair, easy repair and operation, reliable sealing, suitable for general working media such as water solvents, acids and natural gas. It is also suitable for media with ...

(1) Preparatory work before assembly: Before assembly, valve parts need to remove the burrs formed by machining and welding residues, clean and cut fillers and gaskets. (2) Cleaning of valve parts: The inner cavity of the valve installed as a fluid p...

 1. Nominal pressure PN (MPa)  The reference value related to the pressure resistance of piping system components refers to the design given pressure related to the mechanical strength of the piping components. The nominal pressure is genera...

Valve assembly is the final stage in the manufacturing process. Valve assembly is the process of combining various parts and components of the valve to make it a product based on the prescribed technical premises. The whole machine is the most basic ...

With the development of the industry market, plastic pneumatic ball valves are gradually being adopted by everyone, so do you know what are the specific characteristics of plastic pneumatic ball valves ? Next, let's take a look at the specific charac...

The selection criteria of the check valve are as follows 1. In order to prevent the medium from flowing back, check valves should be installed on the equipment, devices and pipelines; 2. Check valves are generally suitable for clean media, not for me...