Welding requirements for valves

After the valve is in place, the valve should be placed in a fully open position during the preheating and welding of the valve, otherwise during the welding process, the ball ball of the ball valve and the valve plate of the gate valve will be stained wi

After the valve is in place, the valve should be placed in a fully open position during the preheating and welding of the valve, otherwise during the welding process, the ball ball of the ball valve and the valve plate of the gate valve will be stained with welding slag, scratch the valve seat sealing ring, resulting in the leakage of the valve, serious failure of the valve.

Valves must be supported on individual bases or separately; After the valve is welded, if the valve needs to be turned, lubricating oil should be injected; Make sure the sewage outlet and pressure outlet are closed.

General ball valve installation is non-directional, but should pay attention to the position of the operating side. Some ball valve installation with direction, must be in accordance with the arrow on the valve body to install, can not be installed in reverse.

EMAIL US

Email Newsletter

Sign up for our email newsletters

HOT PRODUCTS

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