Xinqiao Town is an important industrial town in Jingjiang City and has a reputation of “Hometown of Pumps and Valvesâ€. There are more than 200 pump product manufacturers. However, due to the serious homogeneity of products, high dispersion of the industry, and weak design and technical innovation capabilities, the product technology level is not high, and it is difficult to meet the needs of high-end customers. The market is still in a state of free competition and lacks industry leaders. In response to the above situation, the Jingjiang Market Supervision Bureau has introduced three measures to help companies emerge from their predicament and guide the healthy development of the pump and valve industry under the new economic environment. The first is the strong foundation of training and education. Invited some pump product manufacturers to participate in the pump product quality work conference, informed the quality of pump products in 2014, emphasizing the promotion of the "Product Quality Law", "Implementation Regulations for the Production License of Industrial Products," and the "Implementation Regulations for the Production License of Pump Products" 》 Encourage companies to develop in groups, make full use of standard, measurement, and certification technologies to improve product quality and take the road to quality. The second is to improve the "professional diagnosis." Employ quality and enterprise management experts to provide suggestions for improving the company's on-site management, inspection and inspection systems, and quality assurance system operations, and guide companies to take the road to quality and quality. The third is to support the superior governance and promote the norms. Strengthen market supervision and take the initiative to “protect and protect the famous and famous enterprisesâ€. For a small number of malicious competitors, those who attacked the market with illegal products must strictly investigate and punish them in order to ensure healthy and orderly competition in the industry.
Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting.
The long tapered hub provides an important reinforcement for use in several applications involving high pressure, sub-zero and / or elevated temperatures. The smooth transition from flange thickness to pipe or fitting wall thickness effected by the taper is extremely beneficial, under conditions of repeated bending, caused by line expansion or other variable forces.
These flanges are bored to match the inside diameter of the mating pipe or fitting so there will be no restriction of product flow. This prevents turbulence at the joint and reduces erosion. They also provide excellent stress distribution through the tapered hub and are easily radiographed for flaw detection.
This flange type will be welded to a pipe or fitting with a single full penetration, V weld (Buttweld).
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Jingjiang City took measures to promote the development of pump products