... or metal crust 3) Radial or axial 4) Screw thre Pressure gauge:1) 40mm, 50mm, 60mm2) Plastic crust or ... ) Screw thread: ZG/4, G1/4, NPT1/45) Pressure range: 0-6 bar, 0-10 bar, 0-12 ... bar6) Single scale: bar7) Double scale: bar, PSI, kg/cm2 Pressure tank:1) Capacity: 2L, 3L, 5L, 24L, 50L, 80L ... ) Weight: 165g, 170g 3) Five way, four way, and three way valve Pressure Tank, Gauge and Five Way Connector