DOPAG drum pumps are chop check pumps. They feed single component materials such as adhesives, sealing compounds, polyurethane, silicone etc. with viscosities up to 5.0 million mPa s directly from original containers. Product Features 1.Double acting, fast change-over air motor 2. Twin ram pump elevator 3. 1 or 2-hand operation 4. Simple venting during container change 5. Chemical resistant seals 6. Hard chrome plated pistons 7. Adjustable packing 8. Hard tefl on a seal kit 9. Flow rate up to 6 liters/minute 10. Pressure ratio up to 75:1