青云翻译

Semi-permanent takeover purge fittings and valves for the dn20, purge temporary access pass into the purge hose media

Semi-fixed purge joints DN20 takes over and valve, purge and temporary hose into the purge media

Half stationary type blows sweeps the attachment is the DN20 control and the valve, blows sweeps when temporarily meets the hose to pass over blows sweeps the medium

quasi-fixed blowing joints for 20 DN the takeover and valves, blowing, a temporary access hose into the blowing media

Semi-fixed purge joints DN20 takes over and valve, purge and temporary hose into the purge media