Qu rubber joints may Rao price, Serco supply materials, rubber joints provided by Serco Gongyi City Water Supply Materials Co., Ltd. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) is specialized in the "PTFE lined rubber joints, standard waterproof casing, duckbill valve, power connector, stainless steel, rubber joints" of the enterprise, the company adhering to the "integrity management, service intentions, "the idea, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhang. Pressure test is divided into two types: gas pressure and liquid pressure. Gas pressure coefficient is usually 1.2 times, while the liquid pressure is usually around 1.5 times. For example look at the flange rubber joints prices, for example, a bellows the working pressure of 10 kg. So do the test pressure in the liquid pressure when it should be about 15 kg rubber joints, but do you need to test gas pressure 12 kg on it. If we want to know their quality rubber joints just can not see with your eyes, because it requires a certain skill to see the rubber joint quality is excellent or poor quality rubber joints can be curved Rao prices, so today let's Serco technician to tell you: identify knowledge inferior rubber joints from several aspects of it. We want to know whether it is inferior rubber joints, one that we can learn from the rubber ball joints to determine the absorption rubber joints prices, because when the ball will be produced during the production of gas-and dura mater, and because the two different kinds of films and feel there is a certain difference, but if there is a sphere of shadow magic words, or do not choose the way of making the rubber joints, so the effect is not very ideal dura, which is the inadequacy of the rubber joints aspects;