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Bundor - Butterfly, Gate, Check, Ball, Globe Valve Manufacturer, Supplier & Distributor
The difference between butterfly valve and ball valve
Posted by Bundor valve
What is the difference between butterfly valve and ball valve?For friends who understand some valve knowledge, this question is very good to answer, because butterfly valve and ball valve just from the appearance, there is a very obvious difference.But there are still a large part of the valve cognition is less, or the difference between butterfly valve and ball valve only stay on the surface.
Difference 1: the cut-off method is different
Butterfly valve depends on the butterfly plate, spread out sealing pipe does not flow;The ball valve uses the ball to block the channel to achieve pipe cut-off flow.
Difference 2: the structure is different
Butterfly valve is composed of valve body, valve seat, valve plate, valve stem, all parts are exposed outside.Ball valve is composed of valve body, valve core, valve stem components, body can only see part of the parts.It can be seen that the sealing of butterfly valve is not as good as that of ball valve.When it comes to tightness, butterfly valves have soft and hard seals.Butterfly valve structure is relatively simple, can only be applied to low pressure environment, the highest pressure is only up to 64 kg, and the ball valve up to 100 kg.
Difference 3: working principle is different
Butterfly valve is a valve with disc type opening and closing parts reciprocating rotation 90° or so to open, close or adjust the flow of the medium, has a good flow regulation function, is one of the fastest developing valve varieties.Ball valve has 90 degrees of rotation action, only because his opening and closing part is a ball, only need to operate 90 degrees of rotation can be opened or closed, the most suitable for switch.But now V-shaped ball valves can be used to regulate or control flow.
Difference 1: the cut-off method is different
Butterfly valve depends on the butterfly plate, spread out sealing pipe does not flow;The ball valve uses the ball to block the channel to achieve pipe cut-off flow.
Difference 2: the structure is different
Butterfly valve is composed of valve body, valve seat, valve plate, valve stem, all parts are exposed outside.Ball valve is composed of valve body, valve core, valve stem components, body can only see part of the parts.It can be seen that the sealing of butterfly valve is not as good as that of ball valve.When it comes to tightness, butterfly valves have soft and hard seals.Butterfly valve structure is relatively simple, can only be applied to low pressure environment, the highest pressure is only up to 64 kg, and the ball valve up to 100 kg.
Difference 3: working principle is different
Butterfly valve is a valve with disc type opening and closing parts reciprocating rotation 90° or so to open, close or adjust the flow of the medium, has a good flow regulation function, is one of the fastest developing valve varieties.Ball valve has 90 degrees of rotation action, only because his opening and closing part is a ball, only need to operate 90 degrees of rotation can be opened or closed, the most suitable for switch.But now V-shaped ball valves can be used to regulate or control flow.