Ammonia with the check valve is used in ammonia, a device to prevent the reverse ammonia, ammonia with check valve can be divided into vertical installation type, installed horizontally type two kinds of structure, today we are going to introduce a type of horizontal ammonia with check valve to prevent the backflow medium related technical issues, please see below. Received today said a customer call ammonia with check valve does not work, a gas flow back, back to seal the customer take photos come over pressure ( 1) We can see the ammonia with check Industrial Valves leak very serious leakage, heart, what doesn't work, their products feel look for solutions, found the ammonia with the check valve is down, right ah, problem immediately see out, immediately call the customer in the past, central ammonia with check valve flange should be facing up. After communication, customer immediately with the method of I, put the ammonia with check valve. Problem came again to see (in a few minutes 2) Customers take pictures come over central pressure flange is up ( 2) What's the matter, the question remains, use a check valve in the test or ammonia leak, my day, but that the quality of our products really exist? , etc. , don't worry, can install the wrong direction, to let the customer to install sent ( 3) 。 The customer pictures come over ammonia with check valve installation, 3) Hd the entire installation frame looking down, 4) Saw 3 root 4 is no problem, why still leak so serious? I am a little discouraged, no & hellip; I am going to put the problem solved, I go to the factory randomly picked a ammonia with check Industrial Valves, his testing in the plant. See 5,6,7,8,9 factory test result, it's almost noon 12 o 'clock, first go home for a meal, afternoon test immediately. To have a meal to go in the factory has more than 1 point, be right back to continue study! Ammonia with check valve on the test bench to test ( 5) Starting with ammonia with check valve test, the water ( 6) After the water entered into pressure ( 8) Have broken up with ammonia pressure check test result, normal, no leakage, 9) Ammonia check test results, a normal, no leakage, 10) Speechless, was normal, the problem still can not solve, after many years of experience, have a kind of intuition told me, the ammonia in the check valve disc is clogged, otherwise can not appear such a big leak, to allow customers to see whether there are foreign bodies blocked inside, if the disc back properly, the check valve is unable to prevent backflow of work, after check later found, if inside the check valve is blocked, good, the end of this article, the last in the attached a piece, after normal check valve, no leakage. Normal, no leakage of ammonia check test ( 11)
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