La junta metálica enrollada en espiral está hecha de bobina espiral metálica con material de relleno no metálico y los anillos de soporte están disponibles con anillo interior y exterior de metal - CiXi Feite Sealing Material Co., Ltd.
W-shape type spiral winding of spiral wound gasket, is formed of W-shaped metallic stripe and soft non-metallic filler, the normal spiral winding is V-type.
Non-rounded and special shape spiral wound gasket, OVAL, Oblong shape etc. it can be add inner ring and outer ring.