1) Used to observe whether the pipeline of fueling machine is filled with oil, and it isfixed on the side of fueling machine
2) Inlet is connected with the oil discharge pipe of gauge and the outlet is with the
hose
3) The material of main body is 20#
4) Surface treatment applies decorative chromeplating
5) Sight side is made of quartz glass of 5mm thick
6) Special installation dimension shall be specified in the order