1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline.
2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly ...
Ball valve is a common fluid control equipment, is widely used in petroleum, chemical, water treatment, food and other industries. This paper will introduce the structure, working principle, classi...
1. What is casting
The liquid metal is poured into a mold cavity with a shape suitable for the part, and after it solidifies, a part product with a certain shape, size and surface quality is obtain...
Installation environment
Installation environment: butterfly valve can be used whether indoor and open air, but in the corrosive medium and easy to rust occasions, to use the corresponding material...
PCVExpo 2017
16th International Exhibition for Pumps, Compressors, Valves, Actuators and Engines
Date: 10/24/2017 – 10/26/2017
Venue: Crocus Expo Exhibition Center, Moscow, Russia
Internatio...
The flow characteristics of the regulating valve are mainly four kinds of flow characteristics such as linear percentage fast opening and parabola. When installed in the actual control process, the...
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