The ball of a ball valve is fixed, and under the action of medium pressure, the ball can generate a certain displacement and tightly press on the sealing surface of the outlet end, ensuring the sealing of the outlet end. The floating ball valve has a simple structure and good sealing performance, but the ball bears all the load of the working medium and is transmitted to the outlet sealing ring. Therefore, it is necessary to consider whether the sealing ring material can withstand the working load of the ball medium. When subjected to high pressure impact, the ball may deviate.
Structural characteristics
Design and manufacture: GB/T 12237; API 608
Inspection test: GB/T 13927; API 598
Flange connection: JB/T 79.1~2; ASME B 16.5
Structure length: GB/T 12221; ASME B 16.10
Standards and specifications
Ball valves comply with API 608/API6D standards
Ball valves comply with ISO 10434/ISO 14313 standards
Fire signs adopt API 607 standard
API 608 is used for ESD prevention
Meets ASME B 16.34 standard
Structural length meets ASME B 16.10 standard
Flange dimensions comply with ASME B 16.5 standard
The butt welding complies with ASME B 16.25 standard
The test and inspection conform to API 598/API6D standard
