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BT 190-620BT (7701507 substitute)


SKU: BT 190-620BT Category:


The BT 190-620BT (Nordson 7701507 replacement) is designed for a 50 cc cartridge. It has a bayonet cartridge attachment with a blunt tip discharge for a specific bead.

The bayonet attachment on this motionless mixer, also called a twist lock attachment, is used with a 50 cc cartridge. It has been designed for a mixing ratio of 1:1 or 2:1, depending on the chemistry of the adhesive to be mixed. This static mixer will work with epoxy’s, polyurethanes, silicones, methyl methacrylates and will mix these adhesives providing for a secure bond between the surfaces. BTmix sells these motionless mixers for assembly operations, carbon fiber applications, gasketing, potting and concrete repair.

Part Number Inner Diameter
Mixing Elements Outer Diameter
Nozzle Diameter Outlet Style Retained Volume
Cartridge Size
typical (ml)
Mix Ratio
BT 190-620BT 0.250/6.35 20 0.335/8.51 5.45/138.43 0.19/4.9 Blunt Tip 3 50 1:1,2:1


  • Designed for 50ml dual adhesive cartridges
  • Easy-to-use twist lock, bayonet connection
  • Mix ratios: Works best with 1:1 and 2:1
  • Blunt Tip discharge
  • Casing: Polypropylene
  • Element: High strength polyacetal


  • Nordson 7701507
  • TAH 190-620BT

Additional information


Full Box (3,000), Half Box (1,500)


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