China's mixer manufacturing industry has a huge space for development
According to the analysis, the dual role of technological progress and increased market demand for bandwidth has propelled the inherent prosperity of China's mixer market. The demand for special high-speed mixers in the electric power, military, and petrochemical fields is also very high, and higher requirements are placed on the new technologies, equipment, and processes of mixer fiber optic cables. Although the future market demand for mixers is very promising, at present, the development of high-speed mixer companies is not optimistic.
China's mixer companies must go through the "unusual road" and continue to strengthen scientific and technological R & D and product innovation, improve the core competitiveness of China's industry, and actively explore emerging markets, so that China from a big country in the mixer industry to a strong country.
This requires each company to actively adjust its product structure, take the road of differentiated development, continue to extend to high-end products, open up new market spaces, and ultimately achieve sustained growth in corporate profits.
By-pass assembly has two positions; by-pass and close. It is in by-pass position during trip operation, and circulates mud fluid in the drill string into the annular space by-passing the idle motor, so that no mud may spray out onto the platform during the trip operation. When mud flow rate and pressure reach the setting value, the valve stem moves down and closes the valve. Meanwhile, mud stream flows through the motor, and converts the pressure energy into mechanical energy. As mud flow rate is too low, or mud pump stops, and as the pressure produced is not enough to overcome the spring force and the static friction force, the spring presses the stem upward, and by-pass is in open position. In general, the cross-over subs are used in deep well, large angle well, horizontal well or when hollow rotor is selected.
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Weifang Shengde Petroleum Machinery Manufacturing Co., Ltd. , http://www.sdpetromachine.com