Stainless Steel Butterfly Valve

Size Range: DN50-DN150

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

Body Materials: SS304

Seat Materials: EPDM/NBR

Disc Materials: SS304/SS316/C954

Stem Materials: 420/SS304/SS316



  • Bundor patented products

    Bundor patented products conform to a variety of domestic and foreign standards of multiple pressures, easy to connect, wide adaptability.

  • Valve body wall thickness 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.

  • Suitable for more complex working conditions

    Stainless steel body, stronger strength, better toughness, corrosion resistance, can be used in more complex conditions.

  • Imported rubber raw material

    The valve seat contains more than 50% glue, the valve seal is reliable, the opening and closing torque is stable.

  • Corrosion resistant stainless steel valve disc

    Stainless steel plate, better corrosion resistance, more beautiful.



Applicable medium:Water and neutral liquid

Suitable temperature:- 20 ~ 120 ℃

Application field: Water supply and drainage, water treatment, water conservancy projects, 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.Stainless steel body for more complex operating conditions

Stainless steel body, stronger strength, better toughness, good corrosion resistance, can be used in more complex conditions, better resistance to high and low temperature performance.

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.Stainless steel butterfly plate is corrosion resistant

Stainless steel plate, better corrosion resistance, more beautiful.

6.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.

7.Provide material inspection report

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

8.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 SS304   EPDM   SS304   420   DI  
Size   L L1 L2 ΦD1 ΦD2 PN 10   PN 16  
DN NPS(inch)           ΦK n-Φd ΦK n-Φd
50 2" 43 71 129 73.3 87.1 125 4-Φ18 125 4-Φ18
65 2 1/2" 46 79 136 86 100.4 145 4-Φ18 145 4-Φ18
80 3" 46 95 153 100.9 116 160 8-Φ18 160 8-Φ18
100 4" 52 110 167 132 147.6 180 8-Φ18 180 8-Φ18
125 5" 56 122 193 156 172 210 8-Φ18 210 8-Φ18
150 6" 56 141 209 185.4 202 240 8-Φ22 240 8-Φ22


Check valves, globe valves, ball valves, filters, rubber joints, etc. are commonly used pipe accessories in fluid pipelines, with functions such as cut-off, regulation, diversion, prevention of backflow, pressure regulation, diversion, or pressure relief. It is commonly used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil products, liquid metals, and radioactive media.


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Póngase en contacto con nosotros si tiene alguna pregunta sobre nuestra empresa y nuestro producto.seríamos la protección de su información completamente


¿A quién debemos contactar si hay un problema de postventa?

Podría enviar el correo a o llamarnos directamente a Ms.Shirley. Los ámbitos comerciales se extienden a China central, China occidental, China oriental, sur de China y 66 países y áreas de todo el mundo. Estamos familiarizados con todo tipo de estrategia de desarrollo empresarial. Los ámbitos comerciales se extienden a China central, China occidental, China oriental, sur de China y 66 países y áreas de todo el mundo. A través de productos confiables y servicios perfectos, la marca de Bundor ha ganado muchos elogios de los clientes.

¿Qué certificados tiene la fábrica?

Bundor has 117 products patents and passes ISO9007,ISO18001,ISO14001,AAA credit grade certificate. Strictly in accordance with ISO, API, JIS, DIN and other standards for valve production, the factory has a perfect enterprise standardization system, has more than 80 sets of high-precision mechanical equipment and quality testing equipment. Can provide more than 10000 kinds of valve models, with a perfect computer system, with independent product research and development capabilities.

¿Qué puerto está más cerca de la fábrica?

Bundor valve is located in jinan area, tianjin city, is a collection of scientific research, design, production, sales and after-sales service as one of the professional valve manufacturers, its main export port is tianjin port. Tianjin port is an important comprehensive port and foreign trade port in north China. After the order is confirmed, production can be arranged in 24 hours to ensure the delivery time. Bundor valve always adhere to science and technology and quality peers, dare to innovate, the pursuit of excellence.

¿Cuál es la condición de pago?

T/T, L/C, D/P D/A, PayPal, Western Union, Cash, Escrow are all allowed. Bundor valve has a set of perfect international trade system. From international trade marketing promotion to international trade negotiations, the group's international trade market of Bundor has been developing steadily in developing countries and regions such as Asia, Africa and Latin America, and has successfully opened markets in developed countries and regions such as Europe and America.

Fundada en la década de 1990, Bundor es una empresa experimentado de fabricación y comercio especializado en investigación y desarrollo, producción y venta a válvula de mariposa, válvula de compuerta, válvula de retención, válvula de globo y otras válvulas. 25 años insistemos al principio del proceso de fabricación de accesorio de válvula competente, el control de la fabricación de válvulas en todos los procesos de producción, de modo que "Bundor" se ha convertido en el proveedor líder mundial de válvulas para sistemas de agua.Nuestro Equipo