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Ocelflex - Universal Expansion Joint
Universal Expansion Joints consists of two bellow elements placed longitudinally over each connected through a center spool piece. The angular movement produced by each individual bellow results in lateral movement of the whole Universal Expansion Joint. Universal expansion joints are capable of absorbing significant amount of lateral movement along with considerable amounts of axial and angular movement.
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Inner Diameter
1 1/2 inch to 60 inch.
Length
Upto 1400 mm or customised.
Temperature
- 270 ? to 700 ?.
Working Pressure
Full Vacuum to 40 bar.
Material
Stainless Steel 300 Series
Inconel, Incoloy, Hastelloy
Design Standard
ASME B31.3
EJMA X
Axial
Spring Forces : Medium
Movement : Medium
Lateral
Spring Forces : Low
Movement : High
Angular
Spring Forces : High
Movement : Medium
Additional Accessories
- Limit Rods
- Inner Sleeve
- Outer Cover
- Particulate Barrier
Universal Expansion Joints should not be confused with Double Expansion joints, in which the centre pipe or spool piece is anchored to some rigid part of the installation by means of an anchor base. Instead the spool piece of the lateral metal expansion joints is not anchored, so that it can provide lateral movement when required by the system.
As movement in universal expansion joints can take place in all direction, limit rods are installed to limit the movement of an Universal Expansion Joint in a particular direction. Such universal expansion joints where limit rods are installed are known as Lateral Expansion Joints. Lateral Expansion Joints are designed to absorb large amounts of lateral movement. The length of the entire assembly will determine the amount of lateral deflection a universal or lateral expansion joint can absorb.
As movement in universal expansion joints can take place in all direction, limit rods are installed to limit the movement of an Universal Expansion Joint in a particular direction. Such universal expansion joints where limit rods are installed are known as Lateral Expansion Joints. Lateral Expansion Joints are designed to absorb large amounts of lateral movement. The length of the entire assembly will determine the amount of lateral deflection a universal or lateral expansion joint can absorb.