304 Oval Ring Gasket
Cixi Jayu Sealing Materials Co.,Ltd is one of the leading China 304 oval ring gasket manufacturers, welcome to wholesale cheap 304 oval ring gasket, 316l oval ring gasket from our professional factory.
R oval ring gasket refers to the metal gasket of oval-shaped section by processing metal materials. It is of pressure energized seal in radial direction. The average diameter of the gasket is slightly larger than the average diameter of the gasket groove. The angle between ring gasket and bevel face of gasket groove is around 23o. It has good sealing as the contact between gasket and the ring joint faces, especially the outside face, and is pressed tightly to keep good sealing performance.The oval ring gasket is installed inside the ring joint groove of flange face. When the connecting bolt is fastened, it is compressed in axis direction and is pressed close to the upper and lower ring joint grooves, which result in the plastic deformation to create the seal. After pressure is raised, the ring gasket expands in radial direction under the force of media pressure. The gasket sticks more tightly to the bevel face of ring joint groove to form self-tightening. However, the rise of media pressure will deform the flange and connecting bolt, it will cause the relative separation between the sealing surfaces, and the sealing ratio of gaskets is reduced accordingly. So the metal ring gasket is regarded as semi-pressure energized ring gasket.Cutaway View of Steel Ring and Flange as follows Features
1.R oval ring gasket is the type of mechanical compression, that is to say it is sealed only by the tightening torque of flanged bolt;
2.R oval ring gasket is used in 6B flanges with standard flanged connections, it has the face seal with good seal performance, but it should have high accuracy;
3.R ring gasket can be used interchangeably with R octagonal ring gasket and RX ring gasket;
4.R oval ring gasket can be reused in the field in the case of the appearance with no damage;
5.he hardness of R oval ring gasket must be15~20HB lower than the mating flange face hardness;
6.The seal faces of R oval ring gasket, including the bevel faces, shouldn't have the scratches, knock marks, cracks and defects. Its surface roughness shouldn't be larger than Ra1.6;Performance Parameters gasket factorm=5.50-6.50gasket using pressure<=42MPagasket using temperature-196oC-1000oCminimum pre-tightening pressurey=126.6-182.8MPaMaterials
Soft Iron.Low C/S.ss410.ss304.ss316.ss347.F5.F11. Copper.Aluminum.Inconel 600.Inconel 625.Incoloy 800.Incoloy 825.Monel 400.Titanium. Nikel 200.Hastelloy C276.Zirconium702Application
The gaskets are primarily used in the oil, gas, petrochemical and offshore industries. They are also commonly used on valves, pipe-work assemblies and vessel joints and are used to seal flanged connections subject to high pressures and temperatures.Technical Standards
It can provide any standard and non-standard sizes, including the standards of API 6A, API 17D, ASME B16.20, DIN 2693-67, JPI-7S-23-72 and other standards.
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