
MDP™ Performance Non-Return Valve
- Lowest pressure drop design
- 6-7 year service life
- All polymer compatibility




Patent Protected Technology
Made in USA
Advanced injection molding screw tips engineered for superior polymer processing performance. Our patented designs deliver enhanced mixing, precise shutoff control, and extended service life across all thermoplastic materials from 14mm to 260mm diameter applications.
Talk to our experts for custom solutions and tailored guidance.
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Our screw tips cover 14mm to 260mm diameter range for all machine sizes and applications.
Talk to our experts for custom solutions and tailored guidance.

Precision injection molded automotive components requiring superior melt quality and consistency

Sterile plastic components and precision molding for critical medical device applications

High-quality plastic housing components for electronic devices requiring precise dimensional control

Heavy-duty plastic processing for industrial applications requiring enhanced durability and performance
Talk to our experts for custom solutions and tailored guidance.
Eight patents including breakthrough technologies like Posi-Melt™ screws and Mini-Shut™ valves that revolutionize polymer processing efficiency.
Founded by industry veteran Mike Durina with decades of experience growing plasticating solutions from concept to market leadership.
Direct consultation with company founder, custom design solutions, and comprehensive technical documentation for optimal performance.
Connect with our technical team for custom screw tip recommendations and specifications tailored to your specific polymer processing needs.
For immediate assistance, feel free to give us a direct call at 3304825100 You can also send us a quick email at info@mdplastics.com
For immediate assistance, feel free to give us a direct call at 3304825100 You can also send us a quick email at info@mdplastics.com