hot sale brass ball valve

Description of Ball Valve

A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball (called a "floating ball") to control flow through it. It is open when the ball's hole is in line with the flow and closed when it is pivoted 90-degrees by the valve handle. The handle lies flat in alignment with the flow when open, and is perpendicular to it when closed, making for easy visual confirmation of the valve's status.

Ball valves are durable, performing well after many cycles, and reliable, closing securely even after long periods of disuse. These qualities make them an excellent choice for shutoff applications, where they are often preferred to gates and globe valves, but they lack their fine control in throttling applications.

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Brief                                              

Our own foundry and own rubber workshop,engaged in valve industry since 1997,

OEM supplier of Europe customers and US customers.

we control all production process,all parts are assemabled by ourselves.

Our Advantages 

1. ISO9001:2000 and TS16949 certificated.

2. OEM available.

3. More than twenty years of sales and manufacture experience.

4.100% test for air pressure and inspection for product appearance before shipment.

5. Long lifespan, competitive price.

6. Good payment term.

7. Fast delivery.

8.Thread Standard: BSPP, BSPT, NPT, METRIC etc. Our products are exported to more than 30 countries in the whole world.

9. Our products are showed at international fair, such as Germany, Italy, America, Brazil, Dubai, Russia, Shanghai China fair etc each year.

10. Location advantage: Nearby Qingdao port, convenient transportation and low cost, and close to Shanghai, convenient for customers to visit our factory.

brass ball valves  4 inch ball valves