Spiral wound gasket is the best in the compression resilient in all the half-metal seal gasket, which is made by the metal hoop band and different kinds of packing material. We can make its structure density according to the demand of different locking force, and we use the inner and outer circle to control the maximum compact degree. So it can be well suit the rough flange face, especially suit the situation of unbalance load, loose of joint force, temperature and pressure change periodically , concussion and shock. It is used in flange joint of valve, pump, heat exchanger, tank, and handhole. It is widely used in the fields like petrochemical industry, machine, electric power, metallurgy, ship-building, medicine, atomic energe, space navigation. We made spiral wound gasket conform to different standards, for example, asmi, bs, jis, din and several other criterion used in china.
Spiral wound gasket is the ideal gasket in the semi-metallic category. A narrow strip of v-shap metal hoop is spirally wound under tension with a filler cushion between the lami nation of the metal and is spot-welded at both ends.
This unique construction of a spring-like metal and soft filler provides gasket excel-lent characteristics.
Resistance to high temperature and high pressures.
Great resilience which allows the gasket to adjust automatically to change in operating conditions, such as pressure and thermal shocks, vibrations etc.
Excellent sealability is maintained with comparatively small gasket area.
Good tolerance for flange surface finish irregularities.
Can be designed to any dimensions economically in circular or moderately noncircular shape.
Available in a variety of hoop metals and filler materials to satisfy specific operating conditions.
Graphite gaskets are cut from pure graphite sheet or graphite sheet with metal reinforcement, features excellent corrosion-resistance, high-and-low temperature resistance, good compression resilient and high internsity it can be used as sealing elements of pipe, valve, pump, pressure vessel, heat exchanger and condenser, etc. Other complex gaskets such as water gauge gasket and flange gasket with bolt holes are available. Wrapped with metallic stripe in the inner and outer circle borderline. Keep the former excellent performances. Can be installed and disassembled conveniently without damage.
Thickness : 1.5mm, 2.0mm, 3.0mm, 4.5mm
Application: flanges, valve bonnets, heat exchangers, level indicatiors etc.
Typical service fluids : high temperature & pressure steam, hot water, gases, heat midium, hydrocarbon, organic so;vents, acids, alkalis(ph0-14), lpg, lng, liquefied oxgen, nitrogen and hydrogen etc.
Thickness : 1.5mm, 2.0mm, 3.0mm, 4.5mm
Application: flanges, valve bonnets, heat exchangers, level indicatiors etc.
Typical service fluids : high temperature & pressure steam, hot water, gases, heat midium, hydrocarbon, organic so;vents, acids, alkalis(ph0-14), lpg, lng, liquefied oxgen, nitrogen and hydrogen etc.
