Ring Gaskets

Ring Joint Gaskets are either Octaganol or Oval made  and are as per ASME B16.20 in various sizes.These are identified  by Numbers ,R,RX and BX  that relate to Flange Size, Pressure,Class and appropriate standards ASME B16.20 or 6A

 

RING GASKETS

Brinell           Rockwell ‘B’ Scale

ASME B16.20         API-6A

Soft Iron

090                        56

D                    D - 4

Low Carbon Steel

120                        68

S                    S - 4

4 - 6 Chrome 1/2 Moly

130                        72

F 5                     --

Type 410

170                        86

S 410                   --

Type 304

160                        83

S 304             S 304 - 4

Type 316

160                        83

S 316             S 316 - 4

Type 347

160                        83

S 347                   --

These Gaskets are marked with API Monogram - Gasket Type & No. - Idenification - Date of Mfg.