primary seal meaning in English
主密封
Examples
- The single coil - spring and flexible bellows design provides self - alignment which automatically adjusts to compensate for shaft endplay , run out , primary sealing ring wear , reverse pressure and equipment tolerances
单螺旋弹簧和柔性波纹管用于自排列，能够自动调节补偿轴所受到的排挤，溢出，主密封环磨损，反压力和设备公差。 - Fire safe ? secondary metal - to - metal seal acts as backup if primary seal is destroyed by fire . valves ordered for compliance with api 607 will be provided with graphite packing and gaskets
氯气应用-可提供能够满足氯气协会第6小册子所列的全部标准和规定的阀门，包括通风球的预备，流向箭头，以及为了防止污染而进行的清洗和包装。