Lug type Butterfly Valve

various lug type butterfly valve

Lug type butterfly valve has a variety of the specified types in order to meet the generally increasing specifications. Those types vary in the sizes, materials, connecting ways and manufacturing standards and so on. And they are manufactured to withstand the wide range of the temperature and pressure, together with the expectation to hole reliable tightness.
 
The lug type butterfly valve can be manufactured by most of the valve manufacturers. Then, they respectively hold their own specific points. However, the general specifications and requirements should be achieved. Most produced lug type butterfly valves are employed in many fields for a variety of industries. Indeed, they are popular in food and beverage industry, purifications plants, pharmaceutical industry, chemical and petrochemical industry, water and waste water industry, pneumatic materials handling technology, shipbuilding, power plants and civil engineering and so on. As there are many products of the lug type butterfly valve, we take the lug type butterfly valve Z614-A for example so as to have a general idea of the unique specialty. It holds the location lock liner design. And the valve itself is made by one piece disc/shaft and centric bearing and split body with stainless steel screws. Besides, it can be installed in any desired position with a variety of available materials complying with FDA standards. What else, this type of the lug type butterfly valve can be disassembled and the material-specific recycling is possible

specifications of the lug type butterfly valve

Actually, the lug style butterfly valve has been widely employed in the industrial process. For example, it is widely utilized in food stuff, pharmacy and chemical industry, together with the industrial environmental protection, water treatment, high building, water supply and drain tubing line. Generally speaking, the lug style butterfly valve is expected to open or close or adjust medium. In order to meet the generally serious and complex requirements, the lug style butterfly valve is specially designed and manufactured.

It generally has seven different components. They are body, bushing, ring, stem, disc, seat and pin in sequence. And people would realize that there exist some special signs. Actually, these letters indicate the diameter or some such other specifications of the butterfly valve. Even though there are many accepted standards and many manufactures for the lug style butterfly valve. Taking the common ones for example, just the ones shown on the above pictures, the specifications are regulated as follows.

According to the design standard of API 609 and EN593