At Xi’an QinSteel Trading Co., Ltd, we specialize in manufacturing Flat Rubber Seal Rings that deliver unmatched sealing performance for industrial applications. Our GMP-certified production ensures every seal ring meets rigorous quality standards, while our global logistics network guarantees fast delivery—even for bulk orders. Whether you need standard sizes or custom-engineered solutions, we provide reliable, leak-proof seals designed to withstand extreme pressures, temperatures, and chemicals.
Precision-engineered products are critical components for preventing leaks in machinery across industries. Made from advanced rubber compounds, these seals offer superior resistance to wear, compression set, and chemical exposure. Available in full-face and raised-face designs, our products ensure compatibility with diverse flange types, from small piping systems to large industrial equipment.
| Parameter | Details |
|---|---|
| Inner Diameter | 5mm–500mm (customizable) |
| Thickness | 1.6mm–3.2mm |
| Temperature | -50°C to +250°C (material-dependent) |
| Pressure Rating | Class 25–Class 900 |
| Hardness | Shore A 40–90 |
| Standards | ASME B16.21, ISO 9001, FDA, RoHS |
✅ Precision Fit: CNC-molded to ±0.1mm tolerances for leak-tight seals.
✅ Multi-Industry Compliance: Meets FDA (food-grade), RoHS (electronics), and ISO 14001 (sustainability).
✅ Extended Durability: Resists cracking, swelling, and compression set even after prolonged use.
✅ Cost Savings: Bulk pricing with MOQ flexibility for startups and enterprises.
Our rubber gaskets are trusted in:
With a dedicated R&D team and 12 automated production lines, we solve complex Flat Rubber Seal Ring sealing challenges. Our proprietary rubber formulations are tested for chemical resistance, pressure resilience, and longevity.
Every industrial seal ring undergoes 100% inspection for dimensional accuracy, tensile strength, and leak prevention. Certifications include ISO 9001, FDA, and RoHS—ensuring global compliance.
80% of standard seals ship within 48 hours. Need custom sizes? Our 15–20 day lead time beats industry averages.
Protect your IP with confidential OEM/ODM services. We reverse-engineer competitor designs or create new ones from scratch.



Q: Can your seals handle high-pressure chemical environments?
A: Yes! Our FKM and EPDM products resist acids, alkalis, and pressures up to 50MPa.
Q: Do you provide material certificates?
A: Absolutely. Each batch includes ISO/FDA/RoHS documentation and test reports.
Q: What’s the minimum order quantity?
A: We support flexible MOQs—contact us for small-batch trial orders or bulk deals.
Q: How are seals packaged to prevent damage?
A: Sealed anti-static bags + reinforced cartons ensure damage-free delivery worldwide.
Email: info@sxqinsteel.com
Submit your requirements for Flat Rubber Seal Ring custom rubber seals and receive a competitive quote within 24 hours.
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