Plastic Sheets - Rods - Custom made & Sealing Products

Spiral Wound Metallic Gaskets


Spiral Wound Gaskets are composed of a metallic continuous stripe with a special shaped profile, coupled with a continuous filing stripe (Asbestos, PTFE, Grafoil, Ceramic etc) evenly wound in concentric spiral under constant stress. Spiral Wound Gaskets are reinforced on the inner and outer diameter by winding of several electrically welded spiral metals only.

The main property of Spiral Wound Gasket, owing to elastic action of the special metallic stripe profile, is that of offering a perfect sealing under all fluctuating pressure and temperature conditions, also where temperature excursion has considerable value, maintaining tightening elastic recovering. This elasticity can be modified by a proper selection of components, and they can be installed even with flanges at standard working with lightly pitted or buckled by the use of flanges. A proper selection of materials (both metal and fillers) allows to adequate the spiral gasket to the most various operating conditions.

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