Features：

Bellows are elastic and can produce displacement under the action of pressure, axial force, lateral force or bending moment. Bellows are widely used in instrument valves. Their main purpose is to be used as measuring elements of pressure measuring instruments to convert pressure into displacement or force. The wall of bellows is thinner and more sensitive, with a measuring range of tens of Pa to tens of MPa. Single-layer and multi-layer structures can be used according to the required characteristics. In addition, bellows can also be used as sealing isolation elements to separate two media or prevent harmful fluids from entering the measuring part of the equipment. It can also be used as a compensation element to compensate for the temperature error of the instrument by using its volume variability. Sometimes it is also used as an elastic connection joint between two parts. Single-layer bellows are widely used. Multi-layer bellows have high strength, good durability, and low stress, and are used in important measurements. Metal bellows are mainly used to compensate for pipeline thermal deformation shock absorption and absorb pipeline settlement deformation. They are widely used in petrochemical, instrumentation, aerospace, chemical, electric power, cement, metallurgy and other industries.

Product Description：
Diameter: DN15~DN3000
Working pressure: 0.1Mpa~55Mpa
Using temperature: -180℃~1200℃
Applicable media: various corrosive liquids and gases
Service life: 0.1~100,000 times