... materials, chilled water cooling, 6KW eletric heating.Liquid level gauge: visual typeMechanism sealing dasher, 3 Kw ex-motor ... valve is used for sewage disposal.Liquid level gauge: Liquid level pressure transmitter and automatic feeding control device ... 2KW electic heating ,outer thermal insulation layerLiquid level gauge: Liquid level pressure transmitter and automatic feeding control device, ...