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Engineered Rubber & Plastic Sealing Solutions

For over 50 years, RT Dygert has delivered perfect sealing solutions across industries with superior product selection, unmatched expertise, and renowned customer service.

Sealing Solutions
RT Dygert Facility

Trusted Since 1970

RT Dygert, part of the Hercules OEM Group, has been a leader in engineered rubber and plastic sealing solutions for over five decades. We serve virtually every market with precision-engineered products designed for reliability, durability, and performance.

Our expertise spans custom molding, machined plastics, O-rings, seal kits, gaskets, and advanced engineering services. With ISO 9001 compliance, PPAP support, and global distribution, we ensure quality from concept to production.

50+

Years of Excellence

1000+

Custom Compounds

Premium Sealing Products

From standard O-rings to complex custom-molded seals, RT Dygert offers a comprehensive range of engineered rubber and plastic sealing solutions.

Quattro Seals

Quattro Seals™

High-performance PTFE-based seals with superior chemical resistance and low friction.

O-Rings

Silicone O-Rings

Wide temperature range seals ideal for food, medical, and aerospace applications.

Rod Seals

Rod Seals

Precision-engineered for hydraulic and pneumatic cylinders with excellent wear resistance.

Piston Seals

Piston Seals

Loaded and unloaded U-cup designs for high-pressure dynamic applications.

Wiper Seals

Wiper Seals

D-style, AN, and metal-clad wipers for effective contamination exclusion.

Wear Guides

Wear Guides

Molded and machined guides for rod and piston support in harsh environments.

Back Up Rings

Back Up Rings

Standard and contoured designs to prevent O-ring extrusion under high pressure.

O-Ring Kits

O-Ring Kits

36 and 12-compartment kits with AS568 and metric sizes for maintenance and repair.

FEP/PFA Encapsulated O-Rings

FEP/PFA Encapsulated O-Rings

Chemically inert seals with elastomer core and fluoropolymer jacket for extreme environments.

Spring Energized Seals

Spring Energized Seals

Reciprocating and rotary seals with integrated spring for consistent sealing force.

Engineering & Support Services

From design assistance to regulatory compliance, RT Dygert provides comprehensive support to ensure your sealing solutions perform flawlessly.

Design Assistance

Our engineers provide CAD support, reverse engineering, and material selection guidance.

Custom Compounding

Develop proprietary rubber formulations for FDA, NSF, UL, and oilfield applications.

Quality Services

PPAP, IMDS, ISO 9001 compliance, and incoming quality inspection protocols.

Molding Technologies

Compression, transfer, and injection molding for precision rubber components.

Warehouse Services

VMI, EDI, packaging, and delivery solutions for seamless supply chain integration.

Coatings

Specialized surface treatments to enhance wear, friction, and chemical resistance.

Technical Expertise

RT Dygert provides extensive technical resources to support your engineering needs, including groove design charts, sizing guides, and material specifications.

  • • Groove Design Charts for Quattro Seals™ and PTFE O-Rings
  • • Static and Dynamic O-Ring Gland Design
  • • AS568 and Metric O-Ring Sizing Charts
  • • Rubber Tolerances and Custom Molded Product Specifications
  • • ASTM Rubber Specification Guidance
Download Technical Literature →

Need Engineering Support?

Our team of experts is ready to assist with material selection, design validation, and custom solutions.

Ask an Engineer

Get in Touch

For quotes, technical questions, or custom solutions, contact RT Dygert today.

Phone: 866-783-8883

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