NF L43-162*NF EN 4812:2017 Aerospace series - Flange couplings - Gasket seal with nickel alloy C seal on heat resisting steel plate with 4 fastening holes - Inch series
2017NF L43-162*NF EN 4812:2017 Aerospace series - Flange couplings - Gasket seal with nickel alloy C seal on heat resisting steel plate with 4 fastening holes - Inch series