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expansion-joints

Lens Bellows

Lens bellows are manufactured from various grades of carbon and stainless steels, nickel alloys up to DN8000. Each convolution is manufactured individually and then welded circumferentially. They are single layer bellows and bellows thickness can be up to 6mm thick.

Applications include heat exchangers, large diameter piping systems, cement industries and chemical industries

manuracturing of lens bellows
Advantages of Lens Bellows

They have several advantages over U shape longitudinally welded thin bellows;

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Design Values

DN

200-8000

Ondulation Material

304, 316, 321, P265GH, P355GH etc

Flanged Material

Carbon Steel, Stainless Steel

Design Pressure

6, 10, 16 barg

Design Temperature

400°C

Please consult with our technical department for different working conditions and design parameters.

Applications of Lens Bellows
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Other Type of Expansion Joints

RECTANGULAR EXPANSION JOINT
RECTANGULAR EXPANSION JOINTS