V&G Valogin


How to Rebuild a Gate Valve

Gate valves are simple valve that, unlike many other types of valves, does not depend on rubber gaskets to form a seal. Instead, they use guides and a “gate” made of metal to stop and start the flow. Operation is simple and hassle-free thanks to the multi-turn handle. However, knowing how to recreate a slider […]


The wind will blow into your face as the years pass you by.  The second collective birthday party of VALOGIN arrived as scheduled. Every birthday party is inseparable from the sincere wishes of the company, and this time is no exception.  Mr. Sun Qibin, chairman of the labor union of VALOGIN, he sent sincere birthday wishes to every employee.  he said that the labor union has been seeking happiness for everyone, […]


In order to further improve the quality of products, improve the work quality and enthusiasm of employees, and improve the sense of responsibility of department personnel, VALOGIN held the Quality Month activity on April 23, 2022. Under the leadership of the company, all departments attach great importance to it and actively participate in it. How to […]


On the morning of May 7, 2022,The first Yuhuan annual economic award ceremony was held in Yuhuan Grand Theatre. The conference commended advanced enterprises and outstanding individuals, they dare to struggle, positive innovation, a wise and bold enterprising heart.  Zhejiang Valogin Technology Co., Ltd. won the title of “Giant Dragon Enterprise” and “Annual Self-run Export Top […]


    INDUSTRY CONSOLIDATION: On August 1st, 2022, the opening ceremony of Ningbo Zhiqing Intelligent Control Technology Co., Ltd. was held in New Century Grand Hotel, Ninghai, which represented that Zhejiang Valogin Technology Co., Ltd. officially entered the field of gas valves, further integrated the industrial chain of the valve industry consolidation, accelerated the company’s […]

Selection of valve and the relative installation Position

The valve used in the water supply pipeline shall generally be selected according to the following principles: When the pipe diameter is no more than 50mm, the globe valve should be adopted; when the pipe diameter is more than 50mm, the gate valve and butterfly valve should be adopted 2, If need to adjust the […]

Material selection of non-metal sealing gasket materials

Gasket Materials: A mechanical device known as a gasket in sealing connects flanges and stops leaks. Boilers, tanks, and piping are just a few examples of the devices and applications it is used in across many different industries. There is no question that these industrial gaskets must endure extreme pressure and are exposed to fuels, […]

What is Forging Process or Technology?

It is a machining method of forging process in order to obtain certain mechanical properties, shapes,s, and sizes by applying pressure to a metal blank by a forging machine. Forging can eliminate the loose casting state of metal and weld holes. The mechanical properties of forging are generally better than those of the same material. […]

What is Casting process Technology

The process of melting the metal into a liquid that meets certain requirements and pouring it into the casting mold. After cooling and solidifying and cleaning, a casting (part or blank) with a predetermined shape, size and performance can be obtained. That is the casting process. Casting production of the blank cost is low, as […]

Advantage and Disadvantage of Globe Valve

Globe valve: a valve in which the closure (disc) moves along the center line of the seat. According to this type of disc movement, the change of seat opening is directly proportional to disc travel. Because of this type of valve stem opening or closing stroke is relatively short, and has a very reliable cut-off […]

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