API gasket seal ring

Oval Type cross section RTJ ring joint gaskets are designed for flanges with standard grooves        R(oval) RTJ ring joint gasket is manufactured into oval cross section,it is suit for ANSI B 16.5ASME B16.47, series A flange,can be used in pressures up to 1000 PSI.The oval type is the only gasket that will fit a bottom radiused groove,flanges with flat bottom v-grooves also can be accepted .                                                                                             Type Of RTJ 

Type	Cross Section	Standard of Ring Joint Gasket	Standard Of Flange
Oval		ASME B 16.20 API 6A	ANSI B 16.5ASME B16.47, series A
Octagonal		ASME B 16.20 API 6A	ANSI B 16.5 ASME B16.47,seriesA
RX		ASME B 16.20 API 6A	API 6 B
BX		API 6A	API 6 BX

Material	Maximum Hardnedd  (BRINELL)	T( °C)
Soft Iron	90	530
Low carbon Steel	120	530
4C6% Chrome 1/2% Mol(F5)	130	500
304 Stainless Steel	160	750
316 Stainless Steel	160	750
321 Stainless Steel	160	750
347 Stainless Steel	160	750
410 Stainless Steel	170	500
31254 Stainless Steel	160	650
Monel	140	600
Inconel 825	160	1000
Inconel625	180	1100

 

API gasket seal ring