Safety protectivevalve for preventing hydraulic pipeline rupture.
设有防止液压管路破裂的安全保护阀。
2
Integrating the dryer, unloading valve and multi-circuit protectivevalve, the air processing unit (APU) makes the pipeline more compact and reliable.
空气处理单元APU，集干燥器、卸载阀、多回路保护阀的功能于一体，使整车管路简洁可靠；
3
The utility model discloses an automatic controlling protectivevalve of a Roots vacuum pump used in the industries, such as paper making, chemical industry, ceramic, cigarette, etc.