Description
The DM2X DP2X conversion kit retrofits a 400 mL manual DM2X or pneumatic DP2X dispenser from one cartridge mix ratio to another. Each kit ships with the matched plunger heads and push rods to convert the dispenser body to a different ratio without buying a second gun. The 400 mL platform is the workhorse size for two-part adhesive and sealant applicators.
What the DM2X DP2X conversion kit includes
A standard kit supplies the front and rear plungers, a matched push rod set, and the retaining clip. The kit pulls the existing components out of a DM2X or DP2X 400 mL body and replaces them. The conversion is mechanical only, no tools beyond a hex key. Ratios available across the kit line cover 1:1 and 2:1, 4:1, and 10:1.
When to spec the DM2X DP2X conversion kit
Shops that run multiple two-part chemistries in 400 mL cartridges often standardize on one DM2X or DP2X dispenser body, then keep a small set of ratio kits on the bench. A two-part urethane adhesive at 10:1 and a structural acrylic at 1:1 can come off the same gun by swapping in the right kit. That cuts capital cost compared to dedicating a separate gun to each ratio.
Compatibility notes
The 400 mL DM2X manual and DP2X pneumatic share the same conversion kit family. Confirm the cartridge mix ratio on the adhesive you are dispensing and order the matching kit. The same physical conversion procedure applies to both the manual and pneumatic frames.
See the full dispenser, mixer, and nozzle category for the matched 400 mL cartridges, static mixers, and replacement parts. Cox publishes detailed product literature at coxdispensers.com for the DM2X and DP2X platforms and their accessories.
Not sure which ratio kit fits your cartridge? Call (800) 220-1966 or email [email protected] and we will match the conversion kit to your specific application.







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