Got the ProBlue® Blues? Upgrade to Glue Machinery Corporationâ„¢ DS Simplicityâ„¢ Units Today! Even though the Nordson® ProBlue® is discontinued, your organization can avoid downtime with Glue Machinery Corp’s DS Simplicityâ„¢ hot melt tank—the affordable, plug-and-play replacement that’s compatible with your current hoses and heads. We have laid out all the product specifications and details you care about below.Â
The Impact of Nordson® ProBlue® Melters Discontinuation

Are you still relying on Nordson® ProBlue® Melters? In 2023, Nordson® discontinued all support for the entire ProBlue® series, leaving thousands of users in a precarious position. This abrupt Nordson® ProBlue® end-of-life decision means no more official Nordson ® ProBlue® parts availability, factory repairs, or technical guidance. The downsides are severe: unexpected breakdowns can halt production lines, leading to costly downtime—potentially thousands of dollars per hour in lost output. Sourcing third-party parts becomes a gamble, with inflated prices and questionable quality. As vendor-supplied components dwindle, maintenance turns into a nightmare, risking adhesive inconsistencies, equipment failures, and safety issues. Don’t let your packaging operations grind to a halt because of Nordson’s® shortsighted move!
Why Choose DS Simplicity™ as Your Nordson® Drop-In Replacement?

Enter the Glue Machinery Corporation DS Simplicity™ hot melt units — the reliable, innovative solution tailored for seamless upgrades. These industrial-grade hot melt adhesive systems are designed to melt and pump hotmelt with accuracy and superior performance, making them the perfect drop-in hot melt tank replacement for your ProBlue® setup. We have been providing the DS series/ProBlue® replacement for over 10 years to many satisfied customers.With tank capacities of 4kg (9lbs), 8kg (18lbs), or 16kg (35lbs), and hose/gun capabilities of 2,4, or 6, they deliver melt rates up to 50 lbs./hr. (or 90 lbs./hr. with an optional pre-melt grid), ensuring efficient operation for low- to high-volume packaging lines.
Hot Melt Tank Replacement Specifications
- Tank Capacities: 4kg, 8kg, and 16kg optionsÂ
- Melt Rates: Up to 90 lbs./hr. with pre-melt gridÂ
- Temperature Stability: ±1°C (±1°F)Â
- Operating Range: 50°F to 450°FÂ
- Hydraulic Pressures: up to 1000 PSIÂ
- Compatibility: Operates with Nordson® hoses and Guns
- Hose Capacity: 2, 4, or 6
- Power Requirements:Â 240V or 480V
Glue Machinery offers Full Compatibility to Nordson® ProBlue® Melters Hoses and Heads
What sets DS Simplicity™ apart? Every unit can be fully configured to run your existing Nordson® hoses and heads—no need to scrap or replace those expensive components! This compatibility means a true plug-and-play conversion: keep your current applicators, guns, and hoses intact while enjoying enhanced features like constant pressure piston pumps, precision temperature controls (±1°C/° F stability), and thorough glue filtration to prevent nozzle clogging. Add options like low-level sensors, auto-feed capabilities, and extra melt grid for even more efficiency.
Affordable Pricing: DS Simplicity™ vs. Nordson® ProBlue® Flex

Best of all, the cost of conversion is lower than Nordson®. While swapping to Nordson’s® pricier ProBlue® Flex successor might run $15,000–$25,000 per unit (including trade-ins and reusables), DS Simplicityâ„¢ offers a budget-friendly alternative at a fraction of that expense at $7,000 to 16,000. Enjoy Gentle Meltâ„¢, the Melt-On-Demand technology that eliminates charring, reduces energy use, and minimizes maintenance—saving you on long-term operational costs. The modular, all-metal design installs quickly with minimal training, and it accommodates up to 6 hose/gun outputs for flexible OEM integrations.Â
Cost comparison: Nordson® ProBlue® v Glue Machinery DS Simplicity™
Nordson® ProBlue® (Discontinued)
- Availability: Discontinued 2023Â
- Hose/Head Compatibility: StandardÂ
- Estimated Cost: $15,000 – $25,000
- Construction: Plastic/MetalÂ
Glue Machinery Corporation DS Simplicityâ„¢Â
- Availability: Available Now
- Hose/Head Compatibility: 100% Plug-and-Play
- Estimated Cost: $7,000 – $16,000
- Construction: All-Metal IndustrialÂ
Glue Machinery Quality surpasses Nordson® ProBlue® MeltersÂ
Why choose DS Simplicityâ„¢? It’s built tough for demanding environments, with operating temperatures from 50°F to 450°F and hydraulic pressures up to 1000 psi. Say goodbye to ProBlue® headaches and hello to reliability, reduced downtime, and real savings.
How our No-Cost Âé¶¹´å Program Process Can Serve You

Âé¶¹´å® is a free, proof-of-concept testing service that eliminates the risk and guesswork of buying equipment by proving exactly how your adhesives and application methods will perform before you make a purchase.Â
- Free Lab Testing: Send us your substrates and adhesives for testing in our lab to find the perfect application match.Â
- Zero-Risk Validation: See exactly how your specific adhesives and equipment will perform before you commit to a purchase.Â

- Hands-On Training: Your team receives professional guidance to ensure a smooth transition and long-term success.
- Eliminate Guesswork: Move forward with confidence, knowing your system is optimized for your specific manufacturing or packaging needs.Â
Ready to future-proof your system? Contact Glue Machinery Corporation today for a free consultation and quote. We are a United States based Glue Machinery manufacturer who delivers products throughout the continental US and we frequently deliver products and machines around the world. Contact the adhesive experts at Glue Machinery and make the smart switch to DS Simplicity™ — affordable, compatible, and unstoppable!
Disclaimer: Nordson® and ProBlue® are registered trademarks of Nordson Corporation.