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Structural Features
1. The movable valve seat structure with elastic preload is adopted, featuring reasonable sealing force design, flexible opening and closing, and reliable sealing.
2. According to user needs, it can be designed into a structure suitable for media containing solid particles, slurry, etc., or a structure resistant to higher temperatures.
Executive standards
1. Design and manufacturing: GB/T 12237, API608, API 6D, BS5351, JPI 7S-48, DIN3357
2. Flange dimensions: JB/T 79, GB/T 9113, HG20592, SH3406, ASMEB16.5
3. Structural length: GB/T 12221, ASMEB16.10, JIS B2002
4. Inspection and testing: GB/T 26480, API 598
