Brass Spring Check Valve bụ nke ejiri ọla arụpụtara arụrụ arụ, nke a na-akpọkwa valvụ na-adịghị alaghachi azụ, emebere iji chịkwaa nlọghachi azụ nke sistemu njikwa mmiri, diski na-eduzi mmiri ahụ ma na-aga n'otu ụzọ, a na-eji ya eme plumbing, mgbapụta na pipeline.