Rubber Expansion Joint Superflex Vacuum Series

RUGAVAL Superflex Vacuum Type series are designed for high

vacuum purpose industry. The expansion joints are vacuum- 

resistant. To prevent the expansion joint bellows being drawn 

together by suction at negative pressure, the insertion of a vacuum 

supporting ring is necessary for a suction value above 2 m (0.8 bar abs., 

20% negative pressure). The Supporting Ring is vulcanized into the 

rubber body itself.

1). Absorb pipe / Movement / Stress

2) Decrease Systems Noise

3) Isolate Vibration

4) Compesate alignment / offset

5) Eliminate Electrolysis

6) Protect Against Start up / Surge Forces

Characteristics and Properties

• Mould manufacturing.
• Dimensions up to DN300 (12”).
• Working pressures up to 20 bar (300 psi)
• Vacuum Rating 720 mm / Hg
• Floating type flanges
• Carbon steel flanges
• Single and Double arch
• Recommended working temperature up to 80 °C (180 °F)

Rubber Expansion Joint Superflex Vacuum Series

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