△ Specifications Applicable medium:Non-corrosive media including water,air and oil products,etc.,and corrosive media of acid and alkdli Applicable Temperature：≤300°C Nominal Pressure ：1.6～6.4MPa Inside Nominal Diameter ：DN6～100mm 1/4" ～4" The screw thread can be manufactured in accordance weth such standards as G,ZG,NPT,BSPT and DIN259/2999 as required,and also can be made into external thread type or yoke type,pneumatic and electric mechanism are available separately