Product Name: Ring Joint Metallic Gasket

Product Type: FD-G04

Specification： Metal Ring gasket is by Smithing, heat treatment and mechanical processing. it is suitable for oil or gas pipe flange,pressure vessel, high speed joint face, valve with high temperature and high pressure. it has good sealing performance even when the pressure and temperature is not stable.the typical style r are divided into ellipse style and octagonal style according to its cross section. the standard style r gasket is made conform to the API 6a & ASME b16,20 standard, can bear 10000psi pressure at most. the octagonal style and ellipse style can be interchanged in flange with trapezum groove. style rx is an improvement of style r in pressure resistant. it is a standard ring gasket suitable for all the flange sealing which is suitable for style r. style by is another item with a high pressure resistant up to 15000psi. we have some different material and style which can correspond to different design and operation demand please see the following table for the reference of material characteristic.   Name Section Plane Item No. R Oval Type FD-G04A R Octagonal Type FD-G04B RX High Pressure Type FD-G04C B X High Pressure Type FD-G04D Delta Type FD-G04E Lens Type FD-G04F   Material Material Hardness Temperature Sort Name BRINELL Low Max Common Material Carbon Steel Low Carbon Steel 120 -40 540 Soft Iron 90 -60 500 Stainless Steel 304SS 160 -250 540 304LSS 160 -250 540 316SS 160 -200 815 316LSS 160 -200 815 410SS 160 -40 850 5Cr-0.5Mo 130 -29 650 Nonferrous Metal Copper 80 -100 315 Aluminum 35 -200 425 Especially Material Stainless Steel 321SS 160 -200 870 347SS 160 -200 870 Inconel 600 150 -100 1095 Incoloy 825 150 -100 1095 Nonferrous Metal Monel 400 150 -100 760 Titanium 215 -200 540 Nickel 200 110 -200 760 Hastelloy B2 230 -100 1095 Hastelloy C276 210 -100 1095