... ISO9000 Competitive price Professional manufacturer Professional Pressure GaugeWe manufacture flange and fitting ourselves,so we have more competitive price.Please kindly let ... bottom connection; A axial, center back male connection;3.Range:0-100psi,0-6000psi4.Scale: psi, bar, Mpa, Kpa, kg/cm2, ... to your requirements. ISO9001:2000 CompanyCerrificate No. 00107Q12005ROS/3400 Professional Pressure Gauge