What is centering ring in spiral wound gasket?
To answer this question,you should know the components of the spiral wound gasket.There are three components in spiral wound gasket.
- Outer Ring
- Winding Material (Filler & Metal Strip)
- Inner Ring/Centering Ring
You can see in the image spiral wound gasket. Many spiral wound gaskets for critical applications include an inner guide ring which also known as a centering ring, which gives the gasket a greater resistance to thermal shock and in the case of vacuum service prevent the filler material being sucked in. Inner rings should be used with spiral wound gaskets on male-and-female flanges, such as those found in heat-exchanger, shell, channel, and cover-flange joints.
Winding material is a thin metal strip that used to hold the filler material. Stainless steel grade 304, 316 and 321 are a popular material grade for the winding. Selection of the filler material is made based on the fluid service. Graphite, PTFE and ceramic material are well-known filler material that used with spiral wound gasket.
Haihao Group could provide you high quality spiral wound gaskets.Contact us if you need any kinds of gaskets.Email:firstname.lastname@example.org