Double Stem Lug Butterfly Valve

Size Range: 2~8"(DN50~DN200)

Pressure: PN10, PN16, Class125

Body Materials: Cast Iron, Ductile Iron

Seat Materials: NBR, EPDM, VITON, PTFE

Disc Materials: Ductile Iron, WCB, CF8, CF8M, Al-bronze C958

Stem Materials: SS416, SS304, SS316



  • Valve body spray brand epoxy resin plastic powder

    Valve body spray using brand aksu epoxy resin plastic powder, can deposit thicker thickness, melt curing adhesion is stronger. 

  • The position of signboard is humanized

    The position of the signboard is humanized and set on both sides of the valve body for users to view after installation.

  • The sign has a beautiful appearance and strong connection

    Laser marking, clear writing, long life.Use stainless steel rivet to fix, the appearance is more beautiful, the connection is more firm.

  • The bolt has strong corrosion resistance

    The bolt is made of 304 material, which has stronger corrosion resistance.

  • Disc pin has high strength and abrasion resistance

    The pin adopts tempering treatment, high strength, abrasion resistance, safe and reliable connection.

  • Independent two-dimensional code identification

    Scanning code can query the inspection results of each stage in the production process of products to ensure the quality of products.


Single Eccentric Disc-Shaft
Anti-Blow Out Stem
Fire safe Design
Low Friction Body Seat
Zero Leakage


SIZE A B C L ANSI 150B DIN PN 10 DIN PN 16 JIS 10K ISO 5211 Top
mm in øK N-M øK N-M øK N-M øK N-M øD øD1 N-ød
40 1.5" 70 164 32 33 98.5 4-1/2"-13UNC-2B 110 4-M16 110 4-M16 105 4-M16 65 50 4-ø8 F05
50 2" 80 169 32 43 120.6 4-5/8"-11UNC-2B 125 4-M16 125 4-M16 120 4-M16 65 50 4-ø8 F05
65 2 1/2" 89 176 32 46 139.7 4-5/8"-11UNC-2B 145 4-M16 145 4-M16 140 4-M16 65 50 4-ø8 F05
80 3" 95 183 32 46 152.4 4-5/8"-11UNC-2B 160 8-M16 160 8-M16 150 8-M16 65 50 4-ø8 F05
100 4" 114 201 32 52 190.5 8-5/8"-11UNC-2B 180 8-M16 180 8-M16 175 8-M16 90 70 4-ø10 F07
125 5" 127 214 32 56 215.9 8-3/4"-10UNC-2B 210 8-M16 210 8-M16 210 8-M20 90 70 4-ø10 F07
150 6" 139 229 32 56 241.3 8-3/4"-10UNC-2B 240 8-M20 240 8-M20 240 8-M20 90 70 4-ø10 F07
200 8" 175 257 45 60 298.4 8-3/4"-10UNC-2B 295 8-M20 295 12-M20 290 12-M20 125 102 4-ø12 F10
250 10" 203 280 45 68 361.9 12-7/8"-9UNC-2B 350 12-M20 355 12-M24 355 12-M22 125 102 4-ø12 F10
300 12" 242 327 45 78 431.8 12-7/8"-9UNC-2B 400 12-M20 410 12-M24 400 16-M22 125 102 4-ø12 F10


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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¿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