... ISO9000 Competitive price Professional manufacturer Professional Pressure GaugeWe manufacture flange and fitting ourselves,so we ... detailed request.1.Diameter: 1.5",2",2.5",3",4",6"2.Connection: R radial, bottom connection; A axial, ... , Kpa, kg/cm2,5.Inlet thread:1/8",1/4",3/8",1/2", BSP, BSPT, NPT We can ... requirements. ISO9001:2000 CompanyCerrificate No. 00107Q12005ROS/3400 Professional Pressure Gauge