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


Patent Protected
Industry Proven
Advanced proprietary valve technologies engineered for industrial injection molding applications. Our patented non-return and automatic shut-off valves deliver superior performance, extended service life, and enhanced process control for manufacturing operations across automotive, medical device, and consumer electronics industries.


What does a prop valve do?
A prop valve controls fluid flow and pressure in industrial systems, providing precise shutoff and non-return functionality for optimal process control.
What size ranges are available for these valve technologies?
How long do these industrial valves typically last?
Are these valves compatible with all polymer types?
What makes these valve technologies proprietary?
Can these valves be customized for specific applications?
What technical support is available for valve installation?
Talk to our experts for custom solutions and tailored guidance.

Precision valve control for automotive component injection molding with consistent quality and reduced scrap rates.

Sterile plastic component production with precise shutoff control ensuring medical-grade quality standards.

High-precision molding of electronic housing components with superior part-to-part consistency and quality control.

Robust valve solutions for extrusion and injection molding equipment across diverse industrial applications.
Talk to our experts for custom solutions and tailored guidance.



Eight awarded patents including breakthrough valve technologies that deliver industry-lowest pressure drops and extended service life.
Since 1999, we've helped injection molders increase profitability through superior plasticating components and cutting-edge technologies.
Direct consultation with founder Mike Durina and specialized technical team for custom design solutions and application guidance.
Connect with our technical specialists to discuss your specific valve requirements and receive custom design recommendations.
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