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Place of Origin
HS-CODE
S02-
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Detailed Description
1022 Metal Graphite Spiral Wound Gasket
Scope of application:
It is applicable for all kinds of corrosive chemicals, including strong corrosive liquids (such as liquid strong alkali, hydrochloric acid and sulfuric acid), organic solvent and liquid nitrogen, etc. it is widely used in gasket type sealing components at the flange joint of pipeline, valve, pump, heat exchanger, tower, manhole and hand hole of the industrial equipments such as petroleum, chemical engineering, chemical fiber, coal mining, electric power generation and metallurgy equipments.
Features:
Metal graphite spiral wound gasket has good compression resilience, and is applicable to the sealing parts where temperature and pressure are altering temperature and pressure is 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, lCrl8Ni9T(321), 316, 316L, etc.
B. Ring material: low carbon steel, 0Crl3, 0Crl8Ni9, 304, 316, 316L, etc.
C. Non-metal belt: flexible graphite, tailor-made graphite, PTFE and asbestos paper.
Technical parameter:
Temperature: -200℃~ +820℃ Pressure: 0-40MPa
Chemical Resistance: PH value 0-14
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