The electric flange butterfly valve is usually composed of a quarter-turn electric actuator (0~90° partial rotation) and a butterfly valve as a whole, and is assembled after commissioning. The electric flange butterfly valve is simple in structure, small in size and l…
Local heating is selectively performed without the need for integral heating, so that the workpiece is less deformed and consumes less power.
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The all-welded ball valve is a one-piece welded ball valve made of carbon steel seamless steel tube. Yongjia Zhenghong Valve Factory specializes in producing all-welded ball valves, high temperature and high pressure power station valves, non-standard valves and so on. T…
Steel wire reinforced nylon elastomer resin tube
The product is mainly used for high-pressure conveying and liquid transmission of automobile industry, engine…
Sapphire glass identification method:
1) Laboratory methods:
The test is not sapphire glass, very similar to the identification of jewelry, the same equipment used, the most commonly used …
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