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Application: 

DW202B/241B series Laboratory Bobbin Yarn Dyeing Machine is specially-designed dyeing machine used to dye bobbin yarn in lab under high temperature and high pressure. What’s more, DW241B is equipped with dye stuff auxiliary supplying system, so suitable for dyeing cotton yarn as well as polyester yarn, wool yarn, etc.

DW202B Laboratory Bobbin Yarn Dyeing Machine has one dyeing cylinder. Water and dyestuff are added into the cylinder firstly and mixed evenly. Then place the bobbin yarn into the cylinder. After the heating tube starts working, the temperature and pressure in the cylinder will rise and then the bobbin yarn can be dyed effectively in an environment of high temperature and high pressure.

DW241B Laboratory Bobbin Yarn Dyeing Machine has an extra service cylinder, connected to the main cylinder. Water and dyestuff are added into the service cylinder and mixed evenly while bobbin yarn is placed in the main cylinder. The mixed dye liquor can be injected into the main cylinder. In the process of dyeing, user can add dye liquor through the service cylinder, no need to open the main cylinder repeatedly, improving efficiency and safety.

Neither DW201B nor DW241B can dry bobbin yarn in the end of dyeing process, so our QRTC3 Centrifugal Water Extractor and MF-3 Bobbin Yarn Drying Machine are essential if customer need to dry bobbin yarn after dyeing. Please refer to the corresponding parts later in the brochure for more information.

Before dyeing, if the bobbin yarn is purchased from market, customer must use loose winding machine to wind the yarn. After the yarn become loose, it can be used for dyeing; after dyeing, if customer want to sell the bobbin yarn to market, tight winding machine must be used to make the bobbin yarn tight, then it can be sold to market. Our DW7060H Lab Cone Winding Machine is essential if customer need to wind the yarn.

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                               Installation in customer's lab                                  Training in FYI showroom