Metal Graphite Spiral Wound Gasket
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Metal graphite spiral wound gasket has good compression resilience, and is applicable to the sealing parts where temperature and pressure are altering tempestuously. It has the excellent features of good impermeability, long operating life and without the need of maintenance.
Type of the gasket:
1. There are four types of metal spiral wound sealing gasket: The basic type is the gasket used for the splineway typed flange; the type with inner ring is the sealing gasket used for the embedded flange with male and female face; the type with inner ring is the gasket used for the smooth slip-on-welding flange; the type with the inner and outer ring is the sealing gasket used for the smooth welding neck flange.
2. Materials that are commonly used:
A. Steel belt: 304, 1Cr18Ni9T(321) , 316, 316L, etc.
B. Ring material: low carbon steel, oCr13, oCr18Ni9, 304, 316, 316L, etc.
C. Nonmetal belt: flexible graphite, tailor-made graphite, PTFE and asbestos paper.
PH value 0-14