Twin Sphere Flexible Bellow with Floating Flanges

Features

-> Four way greater movements provide high level of installation flexibility.
-> Precision molded of synthetic rubber reinforced with nylon tire cord.
-> Excellent ability to absorb vibration and sound, withstand high pressure
-> Withtstand chemical corrosion, to resist acid and ozone attack.

Temperature/Pressure Ratings

Maximum temperature

115ºC (Neoprene/EDPM)

Maximum pressure

16 BAR (G)

Vacuum rating

full vacuum (26"Hg)

Working pressure depends on temperature and at higher temperature, the pressure ratings are reduced slightly

Flange Drilling To :

BS Table D/E/F ANSI B16.5 Class 125/150 BS 4504/DIN 2501 or as per customer requirement

Structure

Item No.	Part	Material
1	Body	CR, EPDM, IIR, NBR, CSM, VITON
2	Reinforce	Nylon Cord Fabric
3	Wire	Hard Steel Wire
4	Floating Flange	Mild Steel Zinc Plated RST 37-2
Flanges drilling: Avaiable ANSI B 16.5, DIN 2501, JIS B 2210, BS 4504,AS 2129,ISO 7005, etc. and other standard drilling for your specifications.

Elastomers

Neoprene – Provides excellent resistance to oxidation, ozone and sunlight ageing. Good resistance to oil.

EPDM

Good for hot and cold water service and chemicals.

Nitrile

Oil Resistant Properties.

Control Units

Tie rods and gusset plates are normally recommended and can be supplied along with the bellows.

Flanges

“EFFF" expansion joints are furnished with zinc plated steel flanges. They rotate easily on the bellow which allows for simple bolt alignment.

Warning

Control unit must be used unless piping is properly anchored. When Expansion joints are installed in pipelines or equipment carrying fluids and gases at elevated temperatures and pressure, precautions should be taken to ensure proper installation and regular inspection. Care is required to protect personnel in the event of leakage or splash.

Note : Maximum pressure rating is based on 40ºC operating temperature.

-> Due to policy of continual improvement, the specifications are subject to change without prior notice.

-> Measurements are subject to 5% tolerance.

-> To achieve good results do not over load fitting

-> Compliance – As per FSA Standards USA.

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