Ama-valve ophawu lokucindezela aklanyelwe izinga lokushisa eliphezulu kanye nezinsizakalo zokucindezela okukhulu ikakhulukazi endaweni yamandla kagesi.Uma kuqhathaniswa nama-valve ebhonethi abhontshiwe, ama-valve ophawu lwe-BVMC anomfutho omncane futhi anganikeza isevisi yokuvala enhle kakhulu enokugcinwa okuncane.