Applicable range of common valve sealing ring material

Valve sealing surface material selection is based on the use of the valve to determine the working condition, such as: pipe medium, the applicable temperature range, pressure size and valve internal structure. And for different occasions, the seal is not

Valve sealing surface material selection is based on the use of the valve to determine the working condition, such as: pipe medium, the applicable temperature range, pressure size and valve internal structure. And for different occasions, the seal is not the same.

Rubber seal: pressure less than or equal to 1Mpa, temperature less than or equal to 150 degrees Celsius, applicable valve type: globe valve, diaphragm valve, butterfly valve, check valve, etc.

PTFE: pressure is less than or equal to 6.4Mpa, temperature is less than or equal to 180 degrees Celsius, applicable valve type: globe valve, ball valve, gate valve, diaphragm valve, butterfly valve, check valve, etc.

Copper alloy: pressure less than or equal to 1.6Mpa, temperature less than or equal to 200 degrees Celsius, applicable valve type: gate valve, globe valve, check valve, plug valve, etc.;

Stainless steel: pressure less than or equal to 32Mpa, temperature less than or equal to 450 degrees Celsius, applicable valve type: globe valve, ball valve and other medium and high pressure valve.

Pre: Structural characteristics of threaded valves

Next：Welding requirements for valves

EMAIL US

Email Newsletter

Sign up for our email newsletters

HOT PRODUCTS

NEWS FEATURE

The engineering energy-saving valve market trend

info@bundorvalve.com +86 150 0225 9955

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