Bellows By Wenzhou Dongsheng Bellows Factory

We are offering a wide spectrum of Bellows at very competitive price to our customers.

SIZE RANGE

1/2a through 24a diameter pipe sizes.

AVAILABLE MATERIAL

Stainless steel includes SS304, SS321, SS316L
Note: other materials are available upon request

MULTI PLY BELLOWS

They are designed by nesting together multi ply, thin, concentric tubes. They withstand pressure as a single thickness equal to the sum of the plies, but for deflection are stressed individually. The result is a much more flexible bellows with lower spring rates and higher cycle life.

END CONNECTION

Banded bellows
Welded end
Fixed flange
Swivel flange
Lap-joint flange

EXPANSION JOINT OPTIONS

Unrestrained single expansion joint
Tied single
Hinged single
Slotted hinged single
Gimbaled single
Unrestrained universal
Tied universal
Pressure balanced single
Pressure balanced universal
Externally pressurized single
Externally pressurized dual

QUALITY ASSURANCE

Design conforms to the latest editions of EJMA. Expansion joints may be tested using pneumatic, hydrostatic, high pressure gas, or liquid penetrant methods and radiography.

INDUSTRIES SERVED

Power generation
Chemical processing
Pulp & paper
Hot metal industries
Ship building
HAVC
Water treatment
OEM