The metal belt of the Spiral Wound Gasket With Inner and Outer Ring ensures the resilience of the gasket. Non-metallic strip packing ensures the gasket's air tightness. Due to the combination of the above materials, metal winding pads are usually used under conditions of severe temperature and pressure fluctuations. According to the requirements of the use, the inner diameter direction of the winding parts is equipped with internal and external metal rings.
The metal wrap pad uses a wide range of strong stresses, and can effectively ensure the system seal in the system pressure range of 400bar and the system temperature range of -196℃ to 100℃, depending on the material used.
Strong and durable, easy to install
The outer ring is easy to assemble and can prevent the gasket from extrusion and deformation.
Through the combination of different materials of metal winding belt and ribbon packing, can be made according to customer needs suitable for different conditions of winding pad.
It is convenient to remove during maintenance and will not damage the small line.
Filling material
Gasket fastening stress（20℃）
minimum
optimum
maximum
graphite
50N/mm²
120N/mm²
400N/mm²
PTFE
50N/mm²
110N/mm²
250N/mm²
Hi-Temp
50N/mm²
120N/mm²
250N/mm²
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