PTFE Seat Flanged Ball Valve

Size Range: DN15-DN300

Pressure: PN16

Body Materials: WCB

Seat Materials: PTFE

Disc Materials: 304 stainless steel

Stem Materials: 2Cr13



  • Precision casting valve body

    The valve body is a precision casting valve body, the material is WCB, the appearance is fine, and there is no sand hole

  • The valve body is solid and heavy

    The valve body is solid and heavy

  • The material of ball is solid stainless steel 304

    The material of ball is solid stainless steel 304

  • Double layer pressure detection

    Each valve must be tested in accordance with the national standard before leaving factory.


Applicable medium:Water, steam, oil.
Suitable temperature: -20℃~150℃
Application field: Municipal construction, water treatment, electricity, petroleum, water supply and drainage, water conservancy projects.


SIZE PN16 150LB 10K
15 1/2'' 130 95 65 108 89 65.5 108 95 70
20 3/4'' 140 105 75 117 98 70 117 100 75
25 1'' 150 115 85 127 108 79.5 127 125 90
32 1  1/4'' 165 135 100 140 117 89 140 135 100
40 1  1/2'' 180 145 110 165 127 98.5 165 140 105
50 2'' 200 160 125 178 152 120.5 178 155 120
65 2  1/2'' 220 180 145 190 178 139.5 190 175 140
80 3'' 250 195 160 203 190 152.5 203 185 150
100 4'' 280 215 180 229 229 190.5 229 210 175
125 5'' 320 245 210 356 254 216 356 250 210
150 6'' 360 280 240 394 279 241.5 394 280 240
200 8'' 400 335 295 457 343 298.5 457 330 290
250 10'' 450 405 355 533 406 362 533 400 355
300 12'' 620 460 410 610 482.6 431.8      


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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Bundor quickly dispatched a professional technical team to the customer's engineering site to investigate the problems.

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


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

You can send mail to 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. 25 years adhering to the principle of manufacturing process of competent valve fittings,the control of valve manufacturing throughout all the production processes, so that "Bundor" has become the world's leading supplier of water system valve.Our team