• The valve switch gear transmission adopts fan or worm gear and worm structure,which  reduce the operating torque effectively
•  Gate valve structure
•  Valve with tail stem which with pressure balance and switch indicator
•  It is supply for big diameter high-pressure valve structure                                              • Working pressure ：2000PSI～20000PSI
•  Nominal bore：1.13/16～9 （46mm～30mm）
• working medium : oil , nature gas , mud , consist of H2S CO2gas
• working temp.：-46°C～121°C（LU级）
•  material：AA、BB、CC、DD、EE、FF、HH
• PSL：PSL1～4
•  PR：PR1～2