relief valve parts in low price,Flame Arrestor Stainless Steel Investment Casting Parts: flame arrestor Material: SS316 Process: Investment casting Weight: 24kg Minorder: 1 Flame Arrestor Housing Material: Carbon Steel, Stainless Steel. designed, manufactured, and tested according to Directive 2014/34/EU (ATEX95) and ISO 16852. thread connections according to ISO7/1, BS21 or ASME B1.2 0.1. Standard for flange connections to EN1092-1 PN10, ASME B16.5 150#RF or JIS B 2220 10K.