... ,butadiene and ethylene oxide5.Standard configuration: Safety valve, level gauge, pressure gauge, thermometer, emergency shut-off valve, valve boxes, fire extinguishers, fire star cover ... gaugeModelYWJ-2.5TypeRotaryNominal pressure2.5MpaIndicated altitude0-2200mmPrecision2.5 GradeEmergency cut-off valve ModelQGJ43F-2.5-7/8Nominal diameterDN50(Liquid phase);DN25(Gas ...