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Replaceable Seat Butterfly Valve1
Replaceable Seat Butterfly Valve2
Replaceable Seat Butterfly Valve3
Replaceable Seat Butterfly Valve4
Replaceable Seat Butterfly Valve1 Replaceable Seat Butterfly Valve2 Replaceable Seat Butterfly Valve3 Replaceable Seat Butterfly Valve4

Replaceable Seat Butterfly Valve

【Size Range】: DN50-DN150

【Pressure】: PN6/10/16、5/10K、CL150、Table D/E

【Body Materials】: Ductile Iron

【Seat Materials】: EPDM/NBR

【Disc Materials】: DI/SS304/SS316/C954

【Stem Materials】: 420/45#/SS304/SS316



Applicable medium:Water and neutral liquid

Suitable temperature:- 20 ~ 120 ℃

Application field: Municipal construction, water conservancy projects, water supply and drainage, water treatment, etc.

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.The thickness of valve body wall is up to standard.

The valve body wall thickness meets the requirement of GB 26640, the thickness is up to the standard, and the pressure strength is guaranteed.

3.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%.

4.Good sealing and long service life of valve seat

The valve seat is made of imported rubber material, with more than 50% rubber content; Elongation at break greater than 350%, valve sealing reliable, long life.

5.Soft back with wide side seat

Soft backrest wide side valve seat, is advantageous to the valve installation, in the pipeline and flange boss contact surface is wide, sealing performance is reliable. Life is longer than a hard back. And easy to remove and replace.

6.No pin structure to avoid corrosion

Butterfly plate and valve shaft adopt through shaft without pin structure to avoid leakage caused by hole mounting pin and accelerated corrosion caused by coating damage.

7.Valve body is sprayed with Aksu epoxy powder

The valve body is sprayed with world-renowned Aksu epoxy resin powder, which has stronger adhesion and better environmental tolerance after melting and curing.

8.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.

9.Provide material inspection report

All Bundor products can provide the material inspection report of the main parts.

10.As for the products of Bundor, they are insured by the Pacific insurance company with the quality of 10 million yuan, and the warranty lasts for 2 years. If they are damaged within two years, they will be compensated for the product's quality problem without any conditions.


Parts 1   2     3     4     5  
Name Body   Seat     Disc     Stem     Handle  
Material DI   EPDM     SS304     420     DI  
Size   L L1 L2 ΦD0 PN 10   PN 16   Class150   JIS 10K  
DN NPS(inch)         ΦK n-Φd ΦK n-Φd ΦK n-Φd ΦK n-Φd
50 2" 43 75 129 86 125 4-Φ18 125 4-Φ18 120.7 4-Φ19 120 4-Φ19
65 2 1/2" 46 82 136 101 145 4-Φ18 145 4-Φ18 139.7 4-Φ19 140 4-Φ19
80 3" 46 99 153 121 160 8-Φ18 160 8-Φ18 152.4 4-Φ19 150 8-Φ19
100 4" 52 110 167 144 180 8-Φ18 180 8-Φ18 190.5 8-Φ19 175 8-Φ19
125 5" 56 125 193 171 210 8-Φ18 210 8-Φ18 215.9 8-Φ22.4 210 8-Φ23
150 6" 56 145 209 200 240 8-Φ22 240 8-Φ22 241.3 8-Φ22.4 240 8-Φ23


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6520 N Irwindale Ave 204,Irwindale,CA 91702

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