Chongqing Xingjida Import and Export Trade Co., Ltd.
Chongqing Xingjida Import and Export Trade Co., Ltd.
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Chongqing Xingjida Import and Export Trade Co., Ltd. is a valve manufacturer integrating production, research and development, sales and service. The company has a high-quality modern scientific and technological team, through scientific management, advanced production technology, and perfect Testing equipment to ensure the high quality and stability of the company's products. The company also provides customers with higher value-added fluid control comprehensive solutions by deepening services, taking technology as the guide, and assisting technology and production. The company's main products are cast steel, stainless steel and cast iron: butterfly valves, gate valves, globe valves, check valves, ball valves and knife gate valves, plug valves, safety valves, exhaust valves, pressure relief valves, plunger valves, etc., suitable for petroleum, Chemical, pharmaceutical, coal, metallurgy, municipal, water supply and drainage industries. The company has a strong technical force, and has formed a technical consortium with relevant scientific research institutes to engage in the development and research of valves. The company has a reliable quality assurance system and excellent casting and machining equipment. The products adopt investment casting, assembly line production and advanced machining technology. In order to ensure the quality of production, the company has perfect chemical analysis, mechanical properties and pressure testing. and other equipment, as well as advanced measuring and testing instruments. From incoming raw materials to finished products, all have undergone careful testing and testing, and strict quality control has been implemented to ensure the reliability and stability of product quality. As a result, the product has the advantages of reasonable structure, good sealing performance, strong corrosion resistance, small flow resistance, fast opening and closing, long service life, convenient maintenance and easy realization of self-control. The company has been adhering to the business philosophy of "integrity in the world, quality as gold" and the principle of "customer first" to provide customers with high-quality services. While vigorously developing the domestic market, Xingjida actively explores overseas markets and conducts in-depth technical exchanges and cooperation with countries around the world. At present, the International Business Department has sold its products to more than 150 regions in the world. At the same time, it actively participates in overseas valve industry exhibitions, fully understands the overseas market situation and the advanced technology exchange of valves. At present, Xingjida valves have been exported to Europe, Africa, Indonesia, the Middle East, Southeast Asia and other countries, and have shown their edge in the international market. In the future, Xingjida will continue to increase technological innovation and move towards a larger international stage.
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2024-10-17

When greasing a Ball Valve, the amount of grease injection is often ignored. After the grease gun is refueled, the operator selects the Ball Valve and the grease injection connection method, and then performs the grease injection operation. There are two situations: on the one hand, the small amount of grease injection leads to insufficient grease injection, and the sealing surface wears faster due to lack of lubricant. On the other hand, excessive grease injection causes waste. It is because the sealing capacity of different Ball Valve is not accurately calculated according to the type of Ball Valve. The sealing capacity can be calculated according to the size and type of the Ball Valve, and then the appropriate amount of grease can be reasonably injected. When greasing a Ball Valve, the pressure problem is often ignored. During the greasing operation, the grease injection pressure changes regularly in peaks and valleys. If the pressure is too low, the seal leaks or fails, and if the pressure is too high, the grease injection port is blocked, and the grease inside the seal or the seal ring is locked with the valve ball and valve plate. Usually, when the grease injection pressure is too low, the injected grease flows into the bottom of the valve cavity, which usually occurs in small gate valves. If the grease injection pressure is too high, on the one hand, check the grease injection nozzle. If the grease hole is blocked, replace it according to the situation. On the other hand, if the grease is hardened, use cleaning fluid to repeatedly soften the failed sealing grease and inject new grease to replace it. In addition, the seal model and seal material also affect the grease injection pressure. Different seal
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