Brass Spring Check Valve bụ nke ejiri ọla arụpụtara arụrụ arụ, nke a na-akpọkwa valvụ na-adịghị alaghachi azụ, emebere iji chịkwaa ndaghachi azụ nke sistemu njikwa mmiri, diski na-eduzi mmiri ahụ ma na-asọba n'otu ụzọ, nke a na-ejikarị eme pipụ, ịgbapụta mmiri na pipeline.