High durability, able to maintain good in high-pressure environments, and maintain Has excellent pressure controls capabilities and can achieve pressure regulation in various hydraulic systems Direct acting design provides stable overflows control and is suitable for a wide ranges of pressures Make of steel, the threaded direct acting overflows gate has excellent wear resistance and resistance Suitable for pressure regulation and protections in hydraulic systems, widely used in industrial equipment, construction machinery, and home hardware, Manufacturer: JAZUAIAO