Three eccentric butterfly valve features and applications (2)

9, high seal packing structure Leakage in the valve, traditionally tend to focus on the seat leakage, that is, leakage, while ignoring the filler Department of leakage, that is, leakage. In fact, it is an indisputable fact that in the present-day society where the environmental issue is being increasingly emphasized, it is an indisputable fact that the leakage is far more harmful than the internal leakage. Tritec three eccentric butterfly valve is a rotary valve, the valve stem action only 90 ° rotation only, which is the gate valve, stop valve and other stem action for the spiral multi-turn reciprocating motion, the filler part of the wear level is low, relative The Tritec has been designed to the highest standards for leak proof construction, such as packing seals, to ensure that the standard seal performance is guaranteed to be less than 100 ppm when subjected to the external leak test in accordance with the EPA21 specification. In fact, in the existing Tritec test results, the external leakage was as low as 7 ppm with Lloyd's monitoring. These metrics mean that Tritec can work in toxic and hazardous media lines in a variety of fields, including chemicals. The application of three eccentric butterfly valve In summary, the three eccentric butterfly valve as the crystallization of the latest technology, Yang a variety of valve length, to avoid a variety of short valves, will be more and more users and designers attention. The butterfly valve Tritec, the maximum pressure level can reach 2,500 pounds, the standard caliber can be 48 inches, but also on the folder, lugs, flange, ring, butt welding, jacket, a variety of structural lengths Can correspond to, but also because of Tritec material choice is very large, high and low temperature and various acids, alkalis and other corrosive media also can be freely. Especially in the large caliber, with its zero leakage advantage, the shut-off valve, is constantly replacing the coarse gate valve and ball valve, the same, with its excellent regulation function, the control valve, is also constantly replacing bulky Stop valve. As a matter of fact, so far, Tritec has been used in various important pipelines such as China's oil and gas exploration, offshore platforms, petroleum refining, petrochemicals, inorganic chemicals, energy generation and other major industrial processes such as process control.

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