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O'RING 
SOLUTIONS

ENGINEERED FOR CRITICAL
EQUIPMENT

High-quality O-ring sealing solutions engineered for reliable performance across hydraulic, pneumatic and industrial applications. Available in a wide range of sizes, materials and custom configurations for dependable sealing, extended service life and demanding operating conditions.

Large size O-rings custom made to size

LARGE O-RINGS
Reliable sealing solutions in virtually any size.
Sizonke Trading supplies a comprehensive range of O-rings and large-diameter O-rings, from small standard sizes through to 3 metres (3000 mm) in diameter.
Our O-rings are available in a wide range of materials, sizes and hardnesses (durometers) to suit everything from standard industrial duties to demanding applications involving pressure, temperature, chemicals and aggressive operating environments.
INDUSTRIES & APPLICATIONS
Large O-rings are widely used throughout:
Aerospace • Automotive • Chemical Processing • Construction • Food Processing • Oil & Gas • Pharmaceutical • Power Generation • Water & Wastewater • General Industry
ENGINEERED FOR YOUR APPLICATION
Correct O-ring selection depends on several important factors, including the inside diameter (ID), outside diameter (OD), cross-section, material and durometer.
Material selection is equally important and should be matched to the operating conditions, including temperature, pressure, media, chemical compatibility and equipment requirements.
Sizonke Trading can assist with selecting the appropriate O-ring material and size for your specific application.
WHY CHOOSE OUR O-RINGS?
Our O-ring solutions offer:

  • Sizes up to 3000 mm diameter

  • Wide range of materials and compounds

  • Multiple durometer options

  • Excellent sealing performance

  • Simple and effective installation

  • Resistance to demanding industrial environments

  • Durable, long-lasting performance

  • Standard and custom sizes available

  • Cost-effective sealing solutions

FROM SMALL STANDARD O-RINGS TO LARGE CUSTOM-DIAMETER SEALS — SIZONKE TRADING HAS YOUR SEALING REQUIREMENTS COVERED.

O-ring Cord in stock 

Standard sizes O-ring cord Sizonke trading keep in stock 
2.0mm O-ring cord 
2.4mm (3/32 inch) O-ring cord 
3.0mm O-ring cord 
3.53mm (0.139 inch) O-ring cord 
4.0mm (5/32 inch) O-ring cord 
4.5mm O-ring cord 
4.76mm (3/16 inch) O-ring cord 
5.0mm O-ring cord 
5.33mm (0.210 inch) O-ring cord 
5.7mm O-ring cord 
6.0mm O-ring cord 
6.35mm (1/4inch) O-ring cord 
6.99mm (0.275 inch) O-ring cord 
8.0mm (5/16 inch) O-ring cord 
9.5mm (3/8inch) O-ring cord 
10mm O-ring cord 
12.7mm (1/2 inch).

O-rings sizes Sizonke
O-rings all sizes

Available in all manufactured X-Sections from 0.070" / 1.178mm to 0.275" / 7mm with over 20 000 sizes

FEP/PFA

Encapsulated O-Rings

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