Widely used in petroleum, chemical fiber, metallurgy and other industrial industries Used to measure the pressure of various liquid media The scales are clearly visible and easy to use Made of high-quality stainless steel alloy, the brass interfaces are effective against corrosion and have a service life Pointer design: the change in measured pressure uses the connecting rod to drive the pointer of the sector gear gear segment so that rotates to indicate the corresponding pressure value, Manufacturer: huiouer