Expansion bellow

STANDARD SPECIFICATION

Size Range

Upto 600mm – Rubber Expansion Bellow

Upto 2000mm – S.S. Expansion Bellow

Design

EJMA/Mfr’s Std.

Type to Adapter

Expansion Bellow/Joint

Pressure Rating

PN 10 /PN 16

End Connection

Flanged/Screwed or Pipe Ends

Bellow

Rubber/Stainless Steel ( SS 304 / SS 316 )

End Flange

Generally M.S./S.S. (On Request)

Inner Sleeve

S.S. AISI – 304/316

Tie Rod

Carbon Steel (Remove after installation)

Type of Movement

Axial , Lateral & Angular

These Joints must always in straight lengths of pipe

Installation

Accommodate thermal expansion in pipe systems carrying water,

Application

Sea water, Weak acids, Alkalies, Steam, oils & Gases.

• To protect noise & vibration in pipeline
• Convolution in S.S. or Rubber

Special Features

• Design for high temperature & low pressure
• Units are tested to 1.5 X rated design pressure
• Axial spring rate depend on Nos. of convolution in bellow
• Double axial or lateral type on request
• Metallic expainsion joint installed in accordance with BS 6129 Pt-I