PRODUCTS > Butterfly valve > Rubber lined butterfly valve

                  Rubber lined butterfly valve

                  Product model: D371X
                  Nominal diameter: DN40 ~ 350mm
                  Nominal pressure: PN0.6 ~ 1.6MPa
                  Temperature: ≤120 ℃
                  Suitable medium: air, water, water, steam, gas, oil, etc.
                  Main material: ductile iron, cast , steel, stainless steel
                  Operation: manual, worm gear, gas drive, electric drive

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                  [Essential information]

                         Rubber lined butterfly valve used in linear design, the main structure of the valve from the valve body, valve plate, valve seat, valve rod and drive operation mechanical components, according to the physical and chemical properties of different media, the selection of high temperature resistance, the corresponding low temperature resistance, corrosion resistance, light resistance, aging resistant material; different combinations can be used for various mediums and different temperature.

                  Test pressure(mpa)

                  Airtight

                  Seal up

                  Strength

                  0.6

                  1.1

                  1.5


                  [ Valve structure drawing]
                  圖片.png
                  圖片.png

                  [Size and material allocation]
                  Length of clip type structure

                  DN

                  D50

                  65

                  80

                  100

                  125

                  150

                  200

                  250

                  300

                  350

                  400

                  450

                  L

                  43

                  46

                  46

                  52

                  56

                  56

                  60

                  68

                  78

                  78

                  102

                  114


                  DN

                  500

                  600

                  700

                  800

                  900

                  1000

                  1200

                  L

                  127

                  154

                  165

                  190

                  203

                  216

                  254


                  Flange type length

                  DN

                  D50

                  65

                  80

                  100

                  125

                  150

                  200

                  250

                  300

                  350

                  400

                  450

                  L

                  108

                  112

                  114

                  127

                  140

                  140

                  152

                  165

                  178

                  190

                  216

                  222


                  DN

                  500

                  600

                  700

                  800

                  900

                  1000

                  1200

                  L

                  229

                  267

                  292

                  318

                  330

                  410

                  470


                  Valve body

                  Cast iron, carbon steel, stainless steel, determined by the customer

                  Valve seat

                  Three yuan ethylene propylene rubber EPDM or by customer

                  Valve plate

                  Nickel plated plate, stainless steel plate, lining board, 2057 plate, 1.4529 plate and so on by the customer

                  The stem

                  Carbon steel, 2CR133042507,1.4529 and so on, determined by the customer

                  Drive device

                  Determined by the customer


                  [Standard parameter]

                  Design standardAWWA-C540-80、GB/T12238
                  Structural lengthGB/T12221
                  Connection standardGB/T17241.2、GB/T 9113
                  Inspection and testGB/T13927


                  [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 and maintained conveniently in any position.
                  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]
                         Rubber lined butterfly valves are widely used in petroleum, chemical, metallurgical, fertilizer, power, pharmaceutical, municipal, building, fire fighting, heating, water supply, drainage, sewage treatment and other industries on the fluid pipeline as a mediation and closure device.


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