Swing Check Valve

Size Range: 2”-24”(DN50-DN600)

Pressure: PN16, PN25,CL125 ,CL150,CL250

Body Materials: Cast iron,ductile iron

Disc Materials: Cast iron,Ductile iron+Brass/Ductile +NBR

Stem Materials: Brass,SS



  • Disc pin has high strength and abrasion resistance

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

  • The bolt has strong corrosion resistance

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

  • 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.

  • Heat-shrinkable film for independent packaging

    PE thermal shrinkable film is used to package the valve independently, and built-in desiccant, to isolate air dust, avoid damp pollution valve.

  • 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.

  • Ultrasonic cleaning before packaging

    Eliminate impurities in the valve body, ensure the cleanliness of the valve and prevent the valve itself to pipe water pollution.


1.  The valve flow is streamlined,low resistance 
2.  The open-close part is control by medium itself to prevent backflow. 
3.  Seal the pair of pairs of advanced and reasonable, disc, valve seat sealing surface with iron-based alloy or Si Tai Li cobalt-based carbide welding, wear, high temperature, corrosion resistance, anti-scratch ability, long service life. 
4.  Products can be used in a variety of piping flange and flange standard and flange seal type, to meet a variety of engineering needs and user requirements. 
5.  Valve body variety, gasket can be based on actual conditions or user requirements reasonable matching, can be applied to a variety of pressure, temperature and medium conditions.
6.Bundor company specialized intentions since 1994, has a professional production, sales, research, after-sales team, is your strong backing of sales and use.


DN D D1 D2 L b Z-d H
∅40 ∅127 ∅98.5 ∅73 165 15 4-∅16 120
∅50 ∅152 ∅120.5 ∅92 203 16 4-∅19 137
∅65 ∅178 ∅139.5 ∅105 216 17.5 4-∅19 147
∅80 ∅191 ∅152.5 ∅127 241 19 4-∅19 159
∅100 ∅229 ∅190.5 ∅157 292 24 8-∅19 180
∅125 ∅254 ∅216 ∅186 330 24 8-∅22 203
∅150 ∅279 ∅241.5 ∅216 356 25.5 8-∅22 223
∅200 ∅343 ∅298.5 ∅270 495 29 8-∅22 258
∅250 ∅406 ∅362 ∅324 622 30 12-∅25 290
∅300 ∅483 ∅432 ∅381 698 32 12-∅25 325
∅350 ∅533 ∅476 ∅413 787 35 12-∅29 361
∅400 ∅597 ∅540 ∅470 914 37 16-∅29 388


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.


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