Forged brass gas valve Nickle plated body, chrome plated ball Aluminium butterfly handle PTFE and NBR O-Ring seals MxF FxF Brass Gass Valve MxFMS58 brass, Size DN15 to DN25General descriptions:1. Size from 1/2 inch to 1 inch, DN15 to DN25.2. Brass material: CuZn39Pb2, CW617n, CW614n, HPb59-1, 57-3, MS583. Body finish: brass natural color, nickle plated4. Port: standard flow, reduced flow5. Ball: ...