按压力是否能调节分类，可分为固定不可调安全阀和可调安全阀1.固定不可调安全阀压力值出厂已设定好，使用时不能变动，常用在***空调空调、锅炉壁挂炉、太阳能等系统，如S10系列安全阀。R900967563DBE10-5X/350YG24K4MR900957752DBE10-5X/350YG24NK4MR900538008DBE10-5X/350YG24NZ4MR900539401DBE10-5X/350YG24Z4MR900926160DBE10-5X/350YG24Z4VR900916125DBE10-5X/50XYG24K4MR900956719DBE10-5X/50XYG24NK4MR900554034DBE10-5X/50XYG24Z4MR900952408DBE10-5X/50YG24K4MR901118402DBE10-5X/50YG24K4VR900249388DBE10-5X/50YG24NK4MR901055383DBE10-5X/50YG24NK4VR900552414DBE10-5X/50YG24NZ4MR900532752DBE10-5X/50YG24NZ4VR900533394DBE10-5X/50YG24Z4MR900560214DBE10-5X/50YG24Z4VR900435644DBE10G-3X/100YG12Z4R900407699DBE10G-3X/100YG24Z4)