Our premium rubber O-rings are engineered to provide exceptional sealing in both static and dynamic applications. Available in a wide range of standard sizes (AS568, ISO 3601) and custom dimensions, our seals ensure leak-proof performance across various industrial sectors including automotive, aerospace, and hydraulic systems.
Item No :
DVGW Rubber O-ringsProduct Origin :
ChinaColor :
CustomizableLead Time :
15-20daysIndustrial Grade Sealing High-Performance Rubber O-Rings with DVGW WRAS Drinking Water Approvals
Our high-performance rubber O-rings feature a classic circular cross-section design, engineered to deliver absolute zero-leakage sealing under rigorous industrial conditions. Utilizing precision compression deformation, these elastomeric seals effectively block gases, liquids, and alternative media. Specially formulated to meet worldwide sanitary safety requirements, our O-rings successfully inhibit bacterial growth while ensuring long-term mechanical reliability in demanding water supply systems, industrial valves, and chemical processing networks.

We provide comprehensive certification support for global water and gas supply networks, ensuring full safety compliance for non-metallic materials:
| Certification / Standard | Region | Scope & Focus Area | Compliance Status |
| DVGW | Germany / EU | Gas and Water Supply Systems | Certified - Meets the highest safety and quality requirements for technical components. |
| KTW-BWGL | Germany | Organic Materials in Contact with Drinking Water | Compliant - Passes stringent chemical leaching tests to ensure water purity. |
| W270 | Germany | Microbial Growth Assessment | Passed - Proven to inhibit the growth of bacteria and biofilms on material surfaces. |
| EN 16421-1 | European Union | Enhancement of Microbial Growth (EMG) | Certified - Verified resistance against microbial proliferation in piping systems. |
| WRAS | United Kingdom | Water Regulations Advisory Scheme | Approved - Mandatory compliance for non-metallic materials in the UK water industry. |
| ACS | France | Attestation de Conformité Sanitaire | Approved - Certified by the French Ministry of Health for safe drinking water contact. |
| EN 681-1 / 682 | International | Elastomeric Seals - Physical Requirements | Compliant - Meets mechanical performance standards for cold/hot water and gas applications. |
We offer engineered rubber materials to match specific working conditions, optimizing the seal integrity for distinct applications:
Our industrial-grade rubber O-rings provide crucial sealing solutions across multiple fields:
If you are seeking certified water-grade rubber O-rings or require customized elastomeric seals configured for your industrial machinery, please reach out to our technical support team immediately. We provide free custom samples, engineering assessments, and competitive factory-direct wholesale pricing lists for your project!
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