Expansion Joint Guide Module 5 - Universal ... - BOA Group

BOA
Expansion Joints Guide
Expansion Joints Guide
Summary Module 5
1 UNIVERSAL EXPANSION JOINTS GENERAL 3
2 STANDARD PROGRAM BOA UNIVERSAL EXPANSION JOINTS (EFB) 5
2.1 General 5
2.2 Reduction 5
2.2.1 Expansion capacity 5
2.2.2 Temperature related movement and pressure reduction 5
2.3 Universal expansion joints 6
2.3.1 Universal expansion joints with flanges 6
2.3.1.1 Type UFS 6
2.3.1.2 Type UFB 6
2.3.2 Universal expansion joint with weld ends 7
2.3.2.1 Type UW 7
3 INSTALLATION INSTRUCTIONS UNIVERSAL EXPANSION JOINTS 8
3.1 General safety recommendations 8
3.2 Installation advice 9
4 TECHNICAL DATA BOA STANDARD UNIVERSAL EXPANSION JOINTS (EFB) 13
4.1 Universal expansion joint with flanges 13
4.1.1 Type UFS (flanges firmly welded onto the bellows) 13
4.1.2 Type UFB (with movable, collared flanges) 17
4.2 Universal expansion joints with weld ends 21
4.2.1 Type UW (bellows and weld ends tightly welded) 21
Elastomer Formed Bellows (EFB):
several to multi-ply (2 to 16 layers)
high flexibility
short construction length
low displacement forces
big movement capacity
small corrugation height
vibration absorbing
BOA AG
Station-Ost 1
CH-6023 Rothenburg
Switzerland
Phone +41 41 289 41 11
Fax +41 41 289 42 02
sales@ch.boagroup.com
www.boagroup.com
13-07
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