... of a bellows or a spiral pressure element. XGY KFK (Adjustable Range Type) Pressure Indicating Controller-KF series instruments are ... such as temperatures, pressures, flows and liquid levels.-Model KFK Pressure Indicating Controllers (adjustable range type) indicate and control a ... Batch, On-Off, Differential gap, P+External reset, PD+External reset.Output: 0.2-1.0kgf/cm2Surply air pressure: 1.4±0. ...