... NO.Parts NameCarbonSteel SeriesStainless steel SeriesLow Temperature SeriesAnti-Sulphur GB Standard NACE Standard1BallA105+HCr/ENPA351,CF8,CF8M,CF3,CF3MA352 LCB,LCC ... ,F304,316A182,F6aA105+HCr/ENPA182,F3168SpringINCONEL 7509O Ring VITON10Sealant Injection Valve The same material with Body11GasketSoft Graphite+ SS12BonnetA216 WCB A351,CF8 ...