→CJ/T394-2018 electromagnetic gas emergency cut-off valve anti-torsion testing machine is used for the cut-off valve anti-torsion test.Real-time test, 10s hold, draw torque-time curve.
→CJ/T394-2018 electromagnetic gas emergency cut-off valve;The terms and definitions, classification and type, materials and structure, requirements, test methods, inspection rules, marks and operating instructions, packaging, transportation and storage of electromagnetic gas emergency cut-off valves (hereinafter referred to as cut-off valves) are specified.CJ/T394-2018 standard applicable to the maximum working pressure is not greater than 0.4 MPa, nominal size is not more than 12, working temperature range - 20 ℃ ~ 60 ℃, and urban gas safety control system linkage, driven by electromagnetic force of electromagnetic gas emergency shut-off valve.