Different types of Expansion Joints

Lateral

Pressure Balanced

Axial

Hinged

Jacketed

Gimbal

Rounded Corners

Miter Corner

Camera Corners

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Description

Seiris’ metallic expansion joints are customized according to following constraints: Temperature up to 1200°C
Pressure up to 70 Bars
Diameter’s dimensions from 15 to 7000

We manufacture various types of :

  • Circular expansion joints: axial, lateral, with hinge, balanced Pressure.
  • Rectangular expansion joints: V and U shape
  • Single convolution

Pumped fluid: all kind of (acid or strong bases very agressiv when we go under dew point) : in order to adapt our products to those various conditions, we use following steels:

304 -304L - 316 - 316L -321-309-310-253 MA- 904L-317L, and also all types of INCONEL and HASTELLOY

Our metallic expansion joints are studied and manufactured and tested further to internationals standards: EJMA, ASME and AD Merkblatter.

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Main Advantages

  High pressure resistant
  Flexibility
 Low spring rates
  Low maintenance

Metal Expansion Joints are designed, manufactured and tested according to Internationally Recognized Codes and Standards :
E.J.M.A. (Expansion Joints Manufacturers Association, Inc.)
ASME
AD Merkblatter, etc
A wide range of tests can be arried out on customers request
Radiography
Liquid penetration
Ultrasonic
Magnetic particles
Hydraulic pressure
Materials analysis
Spring rates
Helium leak detection
Technical assistance for the design of piping systems
On site inspection
Measurements
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