The devices are available in sizes from #10-32 to 1/2 in. with 0 to 150-psig pressure ranges, depending on valve and model. The FRLs come in port sizes from #10-32 to 1 in. with standard or high flow rates and 150-psig maximum input pressure.

Clippard Instrument Laboratory Inc., 7390 Colerain Ave., Cincinnati, OH 45239, (513) 521-4261,