(Miss Li: 13537502453 0755-28145886) Bellofram Belo Fu American the Bellofram Belo Fu in a T40 type adjustable precision regulator for natural gas, coal gas, liquefied petroleum gas and other gas above the gas pressure regulator , T-40 adjustable precision regulator for general purpose the adjustable control output regulator suitable for a broad range of pneumatic systems and equipment. (Miss Lee: 0755-28145886 13537502453) excellent stability and reproducibility of high flow, low deviation sturdy model caliber range of anti-corrosion structural tube or plate connection type 40960-064-000 960-065-000 960-066 - 000 1/4 1/4 "1/4" PSI :0-30 KPA :0-200 0-60 0-400 0-120 0-800 the Bellofram Belo Fu T40 type adjustable precision regulator includes three Model :960-064-000 ,960-065-000 ,960-066-000 in three models, and their diameter is 1/4 "