... M20x1.5,NPT1/2",G1" 4.Hart,Exia,Exd is optional 5.absolute pressure Company profile:CHANGZHOU CHENGFENG FLOWMETER CO.,LTD ... are the professional manufacturer of flowmeters,thermometers,liquid level meters,transmitters and so on.The main products are contain of ... can be fulfilled to the most.CF 2001 series absolute pressure / pressure transmitters are divided into such three types as general type, ...