描述
HAWK 51L and 51B series bourdon tube utility pressure gauges are designed to measure pressure of air , oil, gas, water or any other medium which does not clog the pressure port or corrode copper alloy. These inexpensive utility pressure gauges are widely used for the broad commercial and industrial market. The construction of its is very sample and it’s easy to use and install. 51L is a bottom connection gauge and 51B is a center back connection