GYR-70000 series,valve disc and valve seat have particular structure,therefore having excellent cut-off performance and endurance,an economic applied automatic control valve with two fuctions of adjusting and cut-off,small in volume,light weight,wide control range,easy maintenance.

◇ GYR-71500 have a common seal type, compact-structure, suitable process, easy made to be big size, self-washing function, little resistance modulus, offers high GY-value advantage etc.it’s served for adjusting of suspended particle fluid, and density slurry oil fluid.

◇ GYR-71600 have a face seal type, compact-structure, suitable process, easy made to be big size, self-washing function, little resistance modulus, offers high GY-value advantage etc. it’s served for adjusting of suspended particle fluid, and density slurry oil fluid.

◇ GYR-71700 high performance double eccentric butterfly valve series,valve disc and valve seat have particular structure,therefore having excellent cut-off performance and endurance, an economic applied automatic control valve with two fuctions of adjusting and cut-off.small in volume,light weight,wide control range,easy maintenance.Actuator standard have Pneumatic Cylinder type,Electronic type,Electric Motor type.

◇ GYR-71800 high performance sealed butterfly valve series, new type of triple Eccentric sealed, at closing moment seal face is to seal face,little frictional force, long term performance, credibility seal,can be bearing by bidirectional pressure,little moment when valve is opening-closing,seal type is hard sealing.temperature-resisting type is common type and high temperature type.