Discover the PVC/PTFE Orifice Plate Flowmeters, designed for gases and liquids. Available in sizes from 1/2" to 24", they ensure reliable flow measurement with easy installation. PVC orifice plate flowmeter, 10" line size, 5.000" bore, 0.5 Beta, water capacity: 100" d.p. W/C, 883.04 GPM flow; air capacity: 3145.50 SCFM @ 14.7 psia, 5060.38 SCFM @ 20 psig, 9421.74 SCFM @ 100 psig; 6 lb.