-
What is ball valve
What is ball valve The appearance of a ball valve was after the Second World War. Although the invention of a ball valve dates back to the early 20th century, this structural patent failed to complete its commercialization steps due to limi...Read more -
Advantages of Using Ductile Iron as Valve Materials
Advantages of Using Ductile Iron as Valve Materials The ductile iron is ideal for valve materials, for it has lots of merits. As a substitute for steel, ductile iron was developed in 1949. The carbon content of cast steel is less than 0.3%, while th...Read more -
Difference between Resilient Seated Butterfly Valve and Metal Seated Butterfly Valve
Difference between Resilient Seated Butterfly Valve and Metal Seated Butterfly Valve Butterfly valves,have compact structure,simple design,good performance,and easy maintenance. They are one of the most popular industrial valves. We normall...Read more -
Difference between Ball Valve and Butterfly Valve
Difference between Ball Valve and Butterfly Valve The biggest difference between butterfly valves and ball valves is that the butterfly valve is fully opened or closed by using a disc while the ball valve uses a hollow, perforated and pivot...Read more
- Call Support 021-54717893
- Email Support sales@nortech-v.com