DI Body Wafer Butterfly Valve1
DI Body Wafer Butterfly Valve2
DI Body Wafer Butterfly Valve3
DI Body Wafer Butterfly Valve4

DI Body Wafer Butterfly Valve

Size Range: 2.5''/DN65

Pressure: 5K/10K/150LB

Body Materials: Ductile Iron

Seat Materials: EPDM

Disc Materials: 304stainless steel

Stem Materials: 304stainless steel



Applicable medium:fresh water, sewage, sea water, weak acid and alkali, air, steam, etc.
Suitable temperature:according to seat material
Application field: municipal construction, water treatment, power, water supply and drainage, water conservancy projects.


Product advantages:

1.Bundor patent products, patent certification.
The product side flanges comply with national, German, Russian, American, British and Japanese standards and other domestic and international standards for multiple pressures, easy connection and wide adaptability, which can reduce the type of purchase and stock.

2.Standard EPDM rubber seat with reliable leak free performance
Seat rubber USES EPDM rubber in accordance with standard. Seat elasticity and tension are more stable and reliable.

3.The product has an independent identity to ensure traceability
Each Bundor product has its own QR code mark, unique identification number, to ensure product traceability.

4.Valve body valve plate is made of QT450-10 material
Valve body valve plate is made of qt450-10 material with spheroidization rate above grade 3, tensile strength of 450Mpa and elongation of >10%.

5.Special spraying valve body, 36 months without discoloring
The surface of the valve body adopts the electrostatic powder thermal spraying technology, which is more environmentally friendly and weather resistant, and ensures that the valve body does not change color for 36 months.

6.Intelligent test and pressure test to ensure product quality
Each product is pressure tested by the Bundor intelligent testing equipment, and the inspection report is automatically generated. Every data and report is kept for 5 years to ensure the delivery qualified rate.

7.Solid body valve body, more stable
Valve body is solid body, same caliber weight is heavier than other manufacturers.

8.Each product is packed separately with heat shrinkable film, ash proof and moisture proof.
Each German product is packed with heat-shrinkable film, and has a built-in drying agent to isolate air dust, facilitate storage and avoid corrosion caused by damp.

9.Meet drinking water standards
Provides rubber seats and epoxy spray to meet potable water standards.


DN NPS A D1 D2 L1 L2 L3 L4 B Top Flange
DN50 2" 45 73.3 92.3 75 129 24 220 9 F05
DN65 2.5" 49 86 107 82 136 24 220 9 F05
DN80 3" 49 100.9 122 99 153 24 220 9 F05
DN100 4" 55 132 153 110 167 24 250 11 F07
DN125 5" 58.5 156 179 125 193 24 250 14 F07
DN150 6" 59 185.4 208.4 145 209 24 302 14 F07
DN200 8" 64.5 235.2 262.3 170 251 30 360 17 F10
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