大家知道调节阀产品是随着其他工业部门的发展而发展的。从蒸汽机的调速需要到火箭的燃料控制,调节阕产品的发展已有七八十年的历史,品种式样可以说应有尽有,既有不同的压力等级,又有不同的工作温度,近年来又开发了低噪音、防汽蚀,耐地震等专用产品。尽管调节阀产品品种式样 We all know that valve products have evolved with the development of other industrial sectors. From the need for speed control of steam engines to the rocket fuel control, the development of thorium products has a history of 780 years. Variety styles can be said to have everything. There are different pressure levels and different operating temperatures. In recent years, they have been developed. Low noise, anti-cavitation, earthquake and other special products. Despite the variety of control valve products