Dobby shedding device is applicable to all kinds of water-jet looms, air-jet looms, rapier looms and others and especially suitable for weaving fabric weaves with cyclic weft count of over 12, such as small pattern jacquard fabrics with material of man-made fibers as well as natural fibers like cotton, wool, hemp and so on. It has the advantages of large shedding amount, more weft picks as well as quick and convenient program changeover. Npgd50 mechanical doddy is designed based on introduced full set japanese yamada technologies and earns independent intellectual property right through our innovation. Its widely applied to water-jet looms. With advantages of more weft picks, simple structure, easy operation and high cost-effectivenessthe device has occupied over 60% of market share. Technical parameters: Reed space1500mm~3600mm Max. Rpm600rpm (1900mm) Weft picks150~1020picks Pitch12mm Max. Lifting units16 pcs Heddle330mm Shedding amount55mm~160mm