... series flowmeter is mainly made by acrylic glass,widely used for oxygen measuring,control oxygen flow.Featured with nice figure,light weight ... contain of LZB/LZJ(-F)glass tube flow meter,LZB-W(B)micro type glass tube flow meters,G.R.F10/20/30 ... ,UHC magnetic flap liquid level meters,LUGB/LUCB vortex street flow transmitter,LDG electromagnetic flowmeters,LWGY/LWY turbine flowmeters,WSS series ...