A: Fire hydrant pressure measuring joint [Class 2.5] B: Fire hydrant pressure measuring joint [Class 1.6] C: Fire hydrant pressure measuring joint [Class 1.6/axial] D: Water test connector at the end of the water spray [Class 2.5] E: Water test connector at the end of the water spray [Class 1.6] F: Multifunctional water testing device [Level 2.5] G: Multifunctional water testing device [level 1.6] Product name: fire hydrant pressure measuring joint Model: JH-X Fire hydrant pressure gauge range: 0-1.6MPa; Accuracy: Class 2.5/Class 1.6 (optional) Nominal diameter of fire hydrant: DN65mm; Fire hydrant outlet diameter: DN19mm Product name: water spray end water test joint Model: JH-M Water spray pressure gauge range: 0-0.6MPa; Accuracy: Class 2.5/Class 1.6 (optional) Inlet diameter of spray test water: DN25mm; Spray test water outlet diameter: DN10mm