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Page 1: EXPANSION JOINTS & METAL HOSESExpansion Joints Expansion joint is a device containing one or more flexible element used to absorb dimensional changes such as those caused by thermal

www.klinger.co.za

EXPANSIONJOINTS &METAL HOSES

Page 2: EXPANSION JOINTS & METAL HOSESExpansion Joints Expansion joint is a device containing one or more flexible element used to absorb dimensional changes such as those caused by thermal

carbon steel304ss

flange materialstandard bellows

material temperature pressure

400°C 16barg

galvanized carbon steel304ss

flange materialstandard bellows

material temperature pressure

400°C 16barg

carbon steel304ss

balance of materialsstandard bellows

material temperature pressure

400°C 40barg

carbon steel304ss

balance of materialsstandard bellows

material temperature pressure

400°C 16barg

FIXED FLANGEDEXPANSION JOINTS

carbon steel304ss

weld end materialstandard bellows

material temperature pressure

400°C 16barg

FLOATING FLANGED EXPANSION JOINTS

EXTERNALLY PRESSURIZEDEXPANSION JOINTS

SEISMICEXPANSION JOINTS

WELD ENDEXPANSION JOINTS

Page 3: EXPANSION JOINTS & METAL HOSESExpansion Joints Expansion joint is a device containing one or more flexible element used to absorb dimensional changes such as those caused by thermal

RUBBER EXPANSION JOINTS

galvanized carbon steel

flange material temperature pressure

110°C 16barg

CENTRAL HEATING SYSTEM PIPE EXPANSION JOINTS

FABRIC EXPANSION JOINTS

low reaction forcehigh flexibility

temperature

vibration and noise elimination 850°C

FAN-COIL FLEXIBLE CONNECTORS

FLEXIBLEMETAL HOSES

AISI316L

hose material braid material fitting types

AISI304 union, nipple, weld ended, flanged

carbon steel

fitting material temperature pressure

450°C 10barg316 L

hose material

50mm

movement temperature pressure

400°C 16barg

Page 4: EXPANSION JOINTS & METAL HOSESExpansion Joints Expansion joint is a device containing one or more flexible element used to absorb dimensional changes such as those caused by thermal

START

FIN

ISH

Manufacturing of expansion joints

Bellows material is cut from sheet or coil 2

3

4

Rolled tubes are longitudinally welded

Material is rolled to required diameter

If bellows is multi ply each tube is put inside each other

Convolutions are manufactured by mechanical or hydroforming.

Page 5: EXPANSION JOINTS & METAL HOSESExpansion Joints Expansion joint is a device containing one or more flexible element used to absorb dimensional changes such as those caused by thermal

Lens Expansion Joints

Dents and gouges create stress risers in thin ply bellows which result in fatigue cracks over time. Lens bellows have the advantage of holding up to mechanical damage better than thin wall bellows. Other advantages of lens bellows are:

• Weld repair can be performed by plant maintenance staff on thick walled bellows.• Thicker wall of lens bellows holds up better to corrosion attacks• Common use of carbon steel material• Drain couplings can be added to the bottom of the convolution to prevent

condensate build up

Thick walled, high convolution is durable and lasts for a long time.

Page 6: EXPANSION JOINTS & METAL HOSESExpansion Joints Expansion joint is a device containing one or more flexible element used to absorb dimensional changes such as those caused by thermal

Expansion JointsExpansion joint is a device containing one or more flexible element used to absorb dimensional changes such as those caused by thermal expansion or contraction of a pipeline, duct or vessel.

Bellows type expansion joints require little to no maintenance and are capable of absorbing axial, lateral and angular types of movements in a compact space.

Since expansion joints are generally custom designed, they are highly specialized products. It is necessary to supply the expansion joint manufacturer with the necessary information for correct design. As a minimum the following information must be given: Diameter, design movements, pressure and temperature, materials of construction, connection type and length.

Page 7: EXPANSION JOINTS & METAL HOSESExpansion Joints Expansion joint is a device containing one or more flexible element used to absorb dimensional changes such as those caused by thermal

247 Davidson Road, Wadeville, Germiston

South AfricaT : 011 842 8300

[email protected]

www.klinger.co.za

South Africa


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