should be widely seen as the greatest of them all, a valve designed in , is just a little disappointing. so having spent a lot of time reviewing, and owning various single-ended (of course) b amps, i've decided my next quest is to chase up the alternatives, whether they are less well known 'classic' valves...
i/p converters flow & level what's new in flow & level variable area flow meters and rotameters air velocity indicators & wind tunnels electronic mass flow meters doppler/transit-time ultrasonics turbine and paddle wheel flow meter vortex shedding flow meters and pitot tubes magnetic flow meters valves...
are normally closed with a straight flow poppet design, allowing free flow in one direction, while preventing flow in the opposite direction. the internal spring enhances the sealing and the immediate closing properties of the check valve. being spring loaded these check valves are suitable for installation...
, aisi or aisi - working temperatures and seal materials: nbr ...+ oc fpm ...+ oc ptfe ...+ oc (silicon ring with teflon-fep) - threaded ends: uni iso female - opening pressure: min. bar; max. bar - nominal working pressure: bar dimensions size dn a b c weight in gr. / " " " / " / " " / " " check valves...