PRODUCTS > Butterfly valve > Lengthening lever butterfly valve

                  Lengthening lever butterfly valve

                  Product model: D343H/D373H
                  Nominal diameter: DN40~2000mm
                  Nominal pressure: PN1.6~4.0MPa
                  Suitable temperature: ≤425℃
                  Main material: cast iron, cast steel, stainless steel and so on
                  Applicable medium: air, water, sewage, steam, gas, oil and so on


                  [Essential information]

                         D343H series extension rod butterfly valve mainly by the valve body, valve shaft, valve plate, valve seat, an extension rod and a driving mechanism (handle, worm gear, pneumatic and electric device etc.), by the driving mechanism drives the rotating shaft and the valve plate opening and closing and rotation to achieve the purpose of flow control. Applicable medium: air, water, sewage, steam, gas, oil and so on.

                  [Valve structure drawing]

                  [Standard parameter]

                  Design standardGB/T2238-1989
                  Connection standardGB/T9113.1-2000;GB/T9115.1-2000;JB78
                  Structural lengthGB/T12221-1989
                  Pressure testGB/T13927-1992;JB/T9092-1999

                  [Valve features]

                  1, the design is novel, reasonable, unique structure, light weight, fast opening and closing.
                  2, small operating torque, easy operation, labor-saving and smart.
                  3, It can be installed in any position and convenient for maintenance.
                  4, seals can be replaced, sealing performance is reliable, to achieve two-way sealing, zero leakage.
                  5, sealing materials aging resistance, corrosion resistance, long service life and so on.

                  [Adaptive condition]
                         Adjust the flow and closure of the role of media in metallurgy, food, medicine, chemical, petroleum, electric power, textile, papermaking, water supply and drainage, gas pipeline suitable for medium temperature are less than 425.

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