Fire Fighting Grooved Flanged RAL3000 Resilient OS & Y NRS Gate Valves ndi mavavu a pamanja, osakwera tsinde olimba omwe amapangidwa kuti azigwiritsidwa ntchito m'makina oteteza moto kuti azigwira ntchito / kuzimitsa kokha. Thupi lachitsulo lopepuka la ductile limalola kuwongolera kosavuta ndikuchepetsa mtengo wotumizira.