Ladle gaskets refers to the internal use non-metallic materials (
Flexible graphite ptfe, asbestos rubber sheet, ceramic fiber)
With certain technology of cold work, such as external cladding sheet metal composite gasket, according to the gasket cross section is usually divided into planar corrugated type two kinds, cladding and is one of the most traditional seal gaskets, suitable for heat exchangers, pressure vessels, pumps, valves and flange face seal.
But back to stretch limited, need to the flange surface flat and fastening force is very high in order to achieve good results.
According to the different materials can be combined into a 304 stainless steel with asbestos gaskets, stainless steel package graphite coated pads, and other forms.
Ladle gaskets with flexible graphite, ceramic fiber, asbestos and asbestos board as fill, outsourcing stainless steel, tin, copper and so on all kinds of sheet metal, especially for heat exchanger, such as high temperature and high pressure sealing pressure container.
It apart to prevent from gasket, medium, and also increased the pressure.
1, the cladding material: carbon steel, steel, purple lCr18Ni9, 304, 316.
2, filling material: asbestos rubber sheet, graphite plate, the plate.
3, metal and non-metal plate cladding forming.
Temperature: -
40 ° C to 600 ° C ladle gaskets working pressure: 10 mpa main use: ladle mat is suitable for the machine, pump, pipe, valve, flange joint static seal.
Available specifications: ￠40 mm to 1000 mm metal-coated gasket refers to the internal use non-metallic materials (
Flexible graphite, asbestos, rubber, ceramic fiber)
With certain technology of cold work, such as external cladding sheet metal composite gasket, according to the gasket cross section is usually divided into planar corrugated type two kinds, cladding and is one of the most traditional seal gaskets, suitable for heat exchangers, pressure vessels, pumps, valves and flange face seal.
Advantages of metal-coated gasket is large, non-friable, strong intensity, but the back stretch limited, need to the flange surface flat and fastening force is very high in order to achieve good results,
Can be improved, topical graphite plate)
。
According to the different material can be combined into a graphite (201, 304, 316 stainless steel package
Heat-resistant 650 degrees)
Cladding gasket, asbestos gasket, package ceramic fiber (
1400 degrees)
A variety of forms such as cladding gasket.
Cladding gasket material: A3, stainless steel,
201, 304, 316)
, such as copper, aluminum cladding gasket filling material: flexible graphite (
80%)
, asbestos,
10%)
, no asbestos, ceramic fiber (
10%)
And so on.
And the diameter of cladding gasket main USES: applicable to pressure vessel (
Such as heat exchangers, reactors, cast iron flanges, cylinder head, boiler, etc. )
Flange seal.
All kinds of medium machine pump, valve, pipe and all kinds of equipments of flange seal.
Suitable for medium and low pressure condition.
The welding of stainless steel cladding gasket: more than 1 m or not corrosion condition available welding metal pattern;
316, 316 l small general welding.
Cladding gasket improvement: in order to improve the sealing effect of outer can paste flexible graphite plates.
Cladding gasket according to choice of heat-resistant coating material: graphite -
650 corrosion resistant heat resistance;
Ceramic fiber -
Heat-resistant HA1200;
HZ—
1600.
Square metal cladding gasket should be radian rounded integral forging, argon arc welding.
Right Angle, soldering!
Otherwise, use after compression, heating.
Fasteners in use process, in order to make mechanical parts, the seal between the we will use a gasket to seal, also can prevent the pressure between two objects, corrosion and tube natural heat bilges cold shrink and leak.
Everyday, our common sealing gasket has the following several types, based on the characteristics of different types of its using performance is also different.
1, high school low-pressure asbestos rubber gasket asbestos rubber gasket with asbestos fiber, rubber as main raw materials coupled with rubber compound and filling material, through mixing mixing, hot roll forming and vulcanization process.
Asbestos rubber gasket according to its formula, process performance and use of different, can be divided into ordinary asbestos gaskets and oil resistant rubber asbestos rubber gasket.
Depending on the temperature and pressure was used can be divided into low pressure asbestos rubber gaskets, medium voltage asbestos rubber gaskets and high-pressure rubber gasket.
Suitable for water, steam, oil, solvents, acid, alkali medium sealing, asbestos gasket is mainly used in medium and low pressure in the sealing flange connection.
2, oil resistant asbestos rubber gasket performance characteristics: oil resistant rubber asbestos gaskets by asbestos fiber, oil resistant, filling material, coloring, such as refined but become, widely used in petroleum,
chemical industry pipeline and equipment, can choose the corresponding grade model according to the working condition.
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