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Working principle of self operated regulating valve: The operation of a self operated regulating valve is based on a basic principle: to use the energy of the process fluid to adjust the position of the valve. These valves integrate a self regulating mechanism that can respond to fluctuations in process variables such as pressure, temperature, or flow rate. This type o

Recently, the cracking gas compressor unit of the No. 1 ethylene cracking unit of Zhenhai Refining and Chemical Corporation achieved continuous and stable operation, marking the successful completion of the localization task of the thrust bearing of the compressor unit. This is the first time that the compressor thrust bearing of the large-scale cracking unit of Zhenhai Refining

Since the beginning of this year, Shengli Oilfield has consolidated its resource foundation, strengthened efficiency development, and continuously promoted the increase of reserves, production, and cost reduction. In the first seven months, it produced 13.5639 million tons of crude oil and 500 million cubic meters of natural gas, both exceeding the planned operation. Intensify

Ball valve is a commonly used control valve in industrial pipelines, which has advantages such as simple structure, small flow resistance, and good sealing performance. However, during use, ball valves may also experience some common malfunctions, such as valve jamming, leakage, and leakage. Below, we will introduce common faults and troubleshooting methods for ball valves. 01. Valve

Due to some similarities in appearance between globe valves and gate valves, as well as their ability to cut off in pipelines, many circle members who do not have much contact with valves may confuse the two. In fact, if carefully observed, the difference between globe valves and gate valves is quite significant. Firstly, in terms of valve structure, the gate valve can rely on m

Safety relief valve (safety relief valve), also known as safety relief valve an automatic pressure relief device driven by medium pressure. According to the use of different occasions can be used as a safety valve or a relief valve. In Japan, for example, to the safety valve and relief valve to make a clear definition of relatively few, generally used as a boiler

As of November 14th, Zhongyuan Oilfield has put into operation 115 new wells this year, with a cumulative oil production exceeding the planned operation by 5500 tons, an increase of 25500 tons compared to the same period last year, completing 110% of the annual planned production and achieving a new high in new well production in the past 8 years, la

1. Installation environment Installation environment: Butterfly valves can be used indoors or outdoors, but in corrosive media and areas prone to rusting, corresponding material combinations should be used. For special working conditions, consult Zhongzhi Valve. Installation location: Installed in a location that is safe to operate and easy to maintain, inspect, and r

       On September 3, Wang Cailian, Secretary of Yongjia County Party committee, and Hu songxiao, deputy county magistrate, visited the stunt valve group to carry out special research on the development of pump and valve industry. The main principals of the county development and Reform Bureau, the county economic and Information Bureau, the county asset Planning Bureau and

In order to improve the comprehensive business quality of the sales team of the Teji valve group, further consolidate the basic knowledge of the valve industry and improve the business ability, on April 2nd, the sales team of the special effect valve group went to the production workshop to visit and learn along the industrial process of valve production.Workshop technical personne

Manual valve is a valve operated by handle and handwheel. It is a common valve used in equipment pipeline.Its handle, hand wheel rotation direction clockwise is closed, counterclockwise is open.However, there are individual valves that open in the opposite way.Therefore, attention should be paid to check the open and close mark before operation.。 The handwheel and handle on the

Recently, the group company successfully obtained the "Zhejiang manufacturing certification" and "Zhejiang Manufacturing Certification international Recognition" certificates. The "Made in Zhejiang" and "good" logo is an important measure for the provincial government to implement the innovation-driven development strategy and create an "upgraded version" of Zhejiang's economy.Org

It is a major decision made by the CPC Central Committee to carry out coordination and counterpart assistance in poverty alleviation between the east and the west.Yongjia County Party Committee and county government attach great importance to the coordination of poverty alleviation between the east and the west. While strengthening the assistance, they hope that the two places can take this opp

The outer surface of the valve should be painted out of the factory, the paint layer should be durable, beautiful rules, and ensure that the mark is clear. 1, valve products according to the body material to identify the paint, the color according to the table Body material Gray cast iron, malleable cast iron Nodular cast iron

Domestic VS imported valve, how will you choose?As the saying goes, "the moon is bright at home," but now more and more people admire foreign imports.In the industrial sector, the trend is slowly spreading.Just say a common valve, same material, same function, the price of imported goods can be multiplied several times.Imported valve products in the price set their own unique style, but even if