Name

Nominal diameter

DN(mm)

Plies

Forming method

Convolutions

Pressure

(Mpa)

shape

Temp.

()

Bellows

for pressure vessel

Φ150-Φ4500

1-6

Hydraulic forming

1-4

-10 to +10

U

Ω

-100 to 1250

Bellows expansion joint

Φ8-Φ10000

1-70

Hydraulic forming

Roll forming

1-16

-10 to +10

U

Ω

V

-196 to 1400

With insulation sleeve

Rectangular expansion joint(fabric)

Any dimension

3-10

Press-brake

forming

1-4

-0.2 to +0.2

U