check butterfly valve, using hydraulic oil source for
operation. Is the latest generation of hydraulic control butterfly
valve. It has both cut-off and check function can replace two
valves with one valve, and can be adjusted according to the
pre-programmed program, divided into fast closing and slow closing
two stages of action to achieve valve closing, for sudden power
failure or accident stop pump process caused by the career of water
hammer harm and medium backflow caused by the pump unit reverse has
significant elimination and inhibition effect. It is an effective
equipment to ensure the safe and reliable operation of pump unit
and pipe network system. |