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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2024-11-20

The selection of Needle Valve should meet the use requirements. First of all, we must understand the specifications and models of Needle Valve. When using and identifying, we should pay special attention to whether the sealing surface material, valve body material and nominal pressure meet the requirements, as well as sealing, adhesion and other issues. Needle Valve are generally used for steam. The valve body material is carbon steel and the valve seat material is stainless steel. The nominal pressure of the Needle Valve requires a reference temperature of 120℃, while the Universal Valve body is 200℃. When the medium of the Universal Valve exceeds 200℃, the maximum allowable working pressure is lower than the nominal pressure. Therefore, for boilers with saturated steam pressure exceeding 1.47MPa and superheaters, Needle Valve should be selected according to the working temperature. The number of Needle Valve. For boilers with a rated evaporation capacity of >0.5t/h, at least two Needle Valve shall be installed. For boilers with an evaporation capacity of ≤0.5t/h, at least one Needle Valve shall be installed. Needle Valve must be installed at the outlet (or inlet) of the separable economizer and the outlet of the steam superheater. The Needle Valve should be installed vertically to the ground and installed at the highest position of the drum and header as much as possible. The outlet pipe and valve for taking steam shall not be installed between the Needle Valve and the drum or between the Needle Valve and the header. Verification of the opening pressure of the Needle Valve. The opening pressure of the Needle Valve should be adjusted and verified according to the va
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