Valve pressure test regulations 1, all valves should be visually inspected after unpacking, Shanghai Guanlong valve Machinery Co., including the valve plate is complete, Guangzhou Kaiheng Valve Co., Ltd., product quality documents, the valve is closed, you can not Other injuries blue surfaces, no Dirty, ends with protective cover. 2, the operating personnel should be familiar with the pressure test station operation. 3, the valve pressure test JHA improve operator safety hazards valve pressure test, luck, etc. should be familiar with the process and have the appropriate preventive measures. 4, valve pressure test procedures: valve shell strength test, seal test, Taiwan Toyama Valve Co., sealing test. Gate valve pressure test strength test method and cut-off valve. Tightness test valve in two ways. ① gate open so that the internal valve pressure rises to a predetermined value; then close the gate, immediately remove the valve, check whether the gate on both sides to seal a leak inside the valve cover or plug injection test media directly to the specified value valves, check gate seals on both sides. The above method is called intermediate pressure test. This method should not be in the nominal diameter of the valve DN32mm do the following seal test. ② Another method is to open the gate, so that the valve test pressure was raised to a predetermined value; then closing plate, open end of the blind, check the sealing surface for leaks. And then fell down, make more than repeat the test to pass up. Pneumatic valve packing and gasket sealing at the test should be carried out before the gate sealing tests. Taiwan Toyama Valve Co. | Ming Kong valve (Online) | valve provided by the Dongguan Science and Technology Co., Ltd., the Hong Kong valve. Valve Co., Ltd., Dongguan Ming Kong (www.gdmgfm.com) is Dongguan, butterfly leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Ming Kong valve leadership with the staff warmly welcome all inquiries negotiations to create a better valve out of Hong Kong in the future.