Spiral-Wound gasket  is formed of V-shape or W-shaped metallic stripe and soft non- metallic filler by means of piled,spiral wound and connected its end and beginning by dot welded.

Ring Joint Gasket is machined from solid metal in a variety of shapes and designed for high pressure,high temperature or highly corrosive applications by selecting the most suitable material and shape.

Senzred metal gasket is made of cold roll met te,but it has concentric grooves a ective sealing area is minimized so as to incre sealing effect.