Suzhou supply original Beijing Howard superimposed relief valve ZDB / Z2DB

Beijing Ward superimposed relief valve ZDB / Z2DB ◆ Model: ZDB6VB140B / 50V, ZDB6VB240B / 100V, ZDB6VD140B / 50V, ZDB6VD240B / 100V, ZDB6VC140B / 50V, ZDB6VC240B / 100V, ZDB6VP140B / 50V, ZDB6VP240B / 100V, ZDB6VA140B / 50V , ZDB6VA240B / 100V, ZDB10VA740B / 50 ZDB10VA740B / 315 ZDB10VA240B / 50 ZDB10VA240B / 315, ZDB6VA340B / 50 ZDB6VA340B / 31 pressure to 21MPA Media: Mineral oil or phosphate ester hydraulic oil. Temperature range (° C): -.. 30- + 80 Viscosity range (mm2 / s): 10-800 inlet pressure (mpa): 31.5 adjust the pressure MPA: 5, to 10, to 30, to 31.5 Weight (kg .): Approximately 1.2 ◆ Description: 1 Modular connection; 2 four pressure: Knob; screw with hexagon and protective cover; with scale lock knob; 3 ports with scale knob A, B or P reduced 4 Optional one-way valve 5 of the valve from the valve body and one or two pilot relief cartridge or pressure stage 7 composed of six four kinds of work to choose from five kinds of oil passage