PRODUCTS > Butterfly valve > Flange type multi layer hard seal butterfly valve

                  Flange type multi layer hard seal butterfly valve

                  Product model: D343W/H
                  Nominal diameter:DN50~2000mm
                  Nominal pressure: PN0.6~4.0MPa
                  Applicable temperature: -29~425℃
                  Applicable medium: water, steam, oil and so on
                  Body material: carbon steel, stainless steel
                  Seat material: stainless steel, aluminum alloy, tungsten carbide, nickel alloy, Meng Naier
                  Valve plate material: carbon steel, stainless steel, alloy steel
                  Connection: flange type
                  Drive: worm gear drive, electric, pneumatic, hydraulic


                  [Standard parameter]

                  Design standardGB/T12238-2008
                  Structural lengthGB/T12221-2005
                  Connection standardJB/T 79.1-1994
                  Pressure testGB/T13927-2008

                  [Valve features]

                  1, unique structure, small size, light, flexible operation, labor-saving and convenient;
                  2, reliable sealing, sealing can be achieved without leakage;
                  3, flow characteristics tend to linear, regulatory best;
                  4, the use of three eccentric principle, so that the sealing surface is similar to zero loss, extending the valve life;
                  5, a wide range of applications. Such as: can be used in water, steam, oil, air, gas and other media;
                  6 、 suitable for various temperature and pressure levels below 6.4MPa, corrosion resistance of various media pipelines.

                  [Valve structure drawing]

                  [Adaptive condition]
                         Now widely used in petroleum, chemical industry, gas equipment, nuclear power equipment, water treatment, air conditioning, iron and steel metallurgy, industrial furnace, canned equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, bio pharmaceutical, food machinery, textile, papermaking and other industries, is the preferred product construction the construction of national defense science and technology.

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