GAS CHLORINATION SYSTEMS		Back
216 Automatic Switchover System	2000 Pound-per-day Injector	2000 Pound-per-day Rotometer
Four ton cylinders on-line, each with a 500 ppd vacuum operated regulator	Ton cylinder set up with a 500 ppd regulator and heater	216 Automatic Switchover with a Vac-1000 vacuum monitor