natural gas pressure regulator having adjusting element-knob with spring adjusting screw,inlet pr.range :1-10 kg/cm2, outlet pr.range: 0-5 kg/cm2, flow rate: 0-250 nm3/hr,flanged end with companion flanges. bore size = 2 nb size: bore size 2nb natural gas pressure regulator having adjusting element-knob with spring adjusting screw,inlet pressure range:1-10 kg/cm2, outlet pr.range:0-5 kg/cm2, flow rate:0-1000 nm3/hr,flanged end with companion flanges. bore size = 3 nb size: bore size= 3nb oxygen gas pressure regulator having adjusting element-knob with spring adjusting screw, inlet pr.range:1-20 kg/cm2, outlet pr.range:5-14 kg/cm2, flow rate:0-1500 nm3/hr, flanged end with companion flanges. bore size = 2 nb size: bore size =2nb
