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1. Safety valve protection facilities Under normal circumstances, the safety valve is not set before and after the cut-off valve, only in some cases, before and after the safety valve set off the valve. If the medium contains solid impurities, affecting the safety valve can not be shut off after take-off, in front of the safety valve to install a seal with a gate valve. Should be in the fully open position, between the gate valve and the safety valve installed a diameter of the DN20 inspection...
Abstract: Relief valves, emergency shut-off valves and emergency opening valves are the valves developed and applied in recent years. They have drawn much attention from the construction and fire protection water supply industries and have given their views on the problems they set. Keywords: Pressure relief valve emergency shut-off valve emergency opening valve hydraulic control valve fire-specific 1 pressure relief valve relief valve set in the fire pump outlet pipe, usually closed, the fire...
At present, about one-third of the UK water company's application of check valves is undergoing a change, replacing the designated traditional cast iron disc check valves with a check valve that has been tried and tested to solve the problem. Many problems caused by gravity and lever design. The new Elastic Hinge Check Valve (RHCV) provides a nuisance-reinforced flap that works more like a heart valve because it does not have hinges and soft seal closures. The check valve guarantees a 25-year...
In recent years, with the development of society, people's requirements for the quality of life are becoming higher and higher. From simple exterior decoration to intricate pipes and valves buried under the floor and cement have gradually been paid attention to, and life has become No longer monotonous. For the floor heating industry, the development of the floor heating industry has become an important part of improving the living environment and changing people's moods. Zhejiang underfloor...
According to survey data, the total annual demand in China's valve market is no less than 10 billion yuan. According to the scientific concept of development, in order to ensure the coordinated development of the economy in the future and to improve people’s lives, China will inevitably put infrastructure construction such as water, electricity, gas, and heat in the top priority. This is precisely where the valve is used. In other words, as a Chinese valve market that is still a new type rather...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.