Grooved butterfly valve

Size Range: DN50-DN200

Pressure: PN16

Body Materials: Ductile iron

Disc Materials: QT450+EPDM

Stem Materials: 2Cr13

INTRODUTCTION

ADVANTAGES

  • Level 3 spheroidal rate

    QT450-10 ductile iron body. Level 3 spheroidal rate. 450Mpa tensile strength. Over 10% extension rate.

  • 50% rubber content

    EPDM seat is made of imported Germany Bayer brand raw materials. 50% rubber content. No leakage after 10,000 times Opening and closing test.

  • Easy to install

    One-piece shaft design,easy to install and replace.

  • High safety

    There is a circlip groove which fixed on 4.the upper end of shaft,to prevent the valve shaft from blowing out during use and improve safety.

  • Self-sealing

    The valve shaft seal adopts the combination structure of oil-free bearing and packing to realize self-sealing.

  • Rigorous stress testing

    Before leaving the factory, each valve is tested for pressure according to national standards to ensure that it is qualified.

FEATURES

Applicable medium:Water.
Suitable temperature:0~80℃
Application field:Fire pipeline, water treatment.

PARAMETERS

Name Design and manufacture Pressure Test  End Flange 
Reference standard GB 5135.6 GB 5135.6 GB 5135.11
Name 4-Body 6-Disc 7-Shaft
Material QT450 QT450+EPDM 2Cr13
DN NPS (Inch) L φA φB φC
50 2'' 90 50 57 60.3
65 2  1/2'' 97 61 69 73
80 3'' 97 78 85 88.9
100 4'' 116 101 110 114.3
125 5'' 134 127 137 141.3
150 6'' 134 150 164 168.3
200 8'' 148 202 214.4 219.1

RELATED PRODUCT

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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Contact us now if you have any questions about our company and products.We will retain your information completely private.

FAQ

Who should we contact if there is after-sale problem?

You can send mail to info@bundorvalve.com or call us directly to Ms.Shirley. Business scopes spreads to middle China,West China,East China,South China and 76 countries &areas all over the world. We are familiar with all types of enterprises development strategy. Through reliable products and perfect services, the brand of Bundor has won extensive praise from customers.

What certificated does the factory have?

Bundor has 117 products patents and passes CE, CU-TR, API, WRAS, 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.

Which port is the nearest port from factory?

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.

What’s the payment terms?

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.

Founded in 1990s, Bundor is an experienced manufacturing and trading combo specialized in the research & development, production and sales of Butterfly valve, gate valve, check valve, globe valve and other valves. 26 years adhering to the principle of manufacturing process of competent valve fittings,the control of valve manufacturing throughout all the production processes, correctly understand customer requirements, and commit to provide products that ensure customer satisfaction.Our team