MDP™ Performance Non-Return Valve
Posi-Shut™ Automatic Shut-Off Valve
Mini-Shut™ Automatic Shut-Off Nozzle
Inject-EX™ Plasticating System
Patent Protected Technology certified

Patent Protected Technology

Made in USA certified

Made in USA

2 Inch Non-Return Valve - Top Quality Valve

Premium 2-inch non-return valves engineered for injection molding applications. Our patented valve technology delivers exceptional shutoff performance, extended service life, and universal polymer compatibility. Available in sizes from 14mm to 260mm, these precision-engineered valves reduce energy consumption and ensure consistent shot-to-shot quality for automotive, medical, and industrial plastics manufacturing.

Our Range of Products

MDP™ Performance Non-Return Valve

MDP™ Performance Non-Return Valve

  • Lowest pressure drop in industry
  • 6-7 year extended service life
  • Universal polymer compatibility
Posi-Shut™ Automatic Shut-Off Valve

Posi-Shut™ Automatic Shut-Off Valve

  • Mechanically operated shutoff
  • Reduces scrap and reject rates
  • Heat-treated H13 tool steel
Mini-Shut™ Automatic Shut-Off Nozzle

Mini-Shut™ Automatic Shut-Off Nozzle

  • Eliminates drooling instantly
  • Fits all nozzle bodies
  • Stock item - fast shipping
Inject-EX™ Plasticating System

Inject-EX™ Plasticating System

  • Stationary screw design
  • Real-time melt density sensing
  • Reduced carbon footprint

Frequently Asked Questions

What size range is available for non-return valves?

Our non-return valves are available in all sizes from 14mm to 260mm diameter to fit any injection molding machine configuration.

How long is the service life of these valves?

Are these valves compatible with all polymer types?

Do the automatic shut-off valves require decompression?

Can these valves retrofit existing injection molding machines?

What industries use these non-return valves?

What is the pressure drop performance of these valves?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Automotive Manufacturing

Automotive Manufacturing

Precision non-return valves for automotive plastic component production requiring consistent quality and minimal variance.

Medical Device Manufacturing

Medical Device Manufacturing

High-precision valves ensuring sterile plastic components and exact shot-to-shot consistency for medical applications.

Consumer Electronics

Consumer Electronics

Reliable shutoff performance for high-volume plastic housing and component production in electronics manufacturing.

Industrial Plastics Processing

Industrial Plastics Processing

Robust valve solutions for demanding industrial injection molding and extrusion operations across all polymer types.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Injection Molders Choose Md Plastics Inc

Patented Innovation Excellence

Over 8 granted patents in plasticating technology, including low-pressure valve designs that deliver industry-leading performance and efficiency.

25+ Years Manufacturing Expertise

Since 1999, helping injection molders maximize profitability through advanced plasticating components backed by decades of engineering knowledge.

Custom Engineering Solutions

Direct consultation with founder Mike Durina for personalized system design, ensuring optimal valve configuration for your specific machine requirements.

Request a Quote for High-Performance Non-Return Valves

Our technical experts will respond promptly with custom pricing and engineering recommendations tailored to your injection molding requirements.

Contact Us Today

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