HOLA  completed with molded spherical and solid floating flanges, that was made of high-quality rubber, such as: EPDM, NR,Neoprene, Nitrile, Hypalon, etc. And the flange drilling can be drilled according to DIN PN10/16/25, ANSI class 150, JIS 10K or Table D/E, etc. They are designed for piping system to absorb pipe movement, relieve stress, reduce system noise/ vibration, compensate for misalignment/ offset and to protect rotating merchanical equipment against start-upsurge forces.

Features and Benefits

Easy to install

Wide service range with low cost, economical

Many types of  to be used

· Absorbs directional movement

· Absorbs vibration, noise and shock

· Compensates for misalignment

· Wide flowing arch design

· Economical fully molded construction

· Special grooved flange ring design, prevent rubber end pull out

· Solid galvanized steel floating flanges speed the installation time

· No gaskets required; integrally rubber flanged design

Specifications of rubber bellow expansion joint

Nominal diameter:	DN25mm to DN3000mm
Maximum working pressure:	2.5 Mpa
Vacuum KPa(mmHg)	44.9(350)
Operating temperature:	-20℃-100℃
Corrosion resistance	Good
Applicable media	Sea water, drinking water, slurry, industrial sewage.

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