Oil Seal Manufacturer in China | Leading Manufacturer of Seals
From the start, we are an oil seal manufacturer deeply focused on performance and durability for demanding machinery. Based in China, we understand the buying journey of serious buyers—OEMs and contract manufacturers looking for reliable supplier partners. As a Manufacturer with a proven track record, we offer a full range of oil seals, from standard NBR, FPM, EPDM to custom compounds, with tight tolerances, static and dynamic sealing test results, and traceable quality documentation. Our in-house lab accelerates material selection, and our production lines support high-volume orders with short lead times. We provide technical support, installation guidance, and after-sales service to minimize downtime. We are flexible on packaging, certificates, and partial shipments to fit your project schedule. If you seek a partner who ships on time and keeps promises, you found it—we work with global brands and regional suppliers to deliver sealing reliability, every time.
oil seal manufacturer Dominates Manufacturers You Can Rely On
Global buyers seek an oil seal partner they can rely on for steady performance in demanding environments. A top manufacturer in this field is known for precision, material integrity, and proactive risk management. From automotive systems to heavy machinery, reliable seals prevent downtime and protect assets. The edge comes from rigorous engineering, standardized processes, and a proven record of on-time delivery. With advanced materials science, precision molding, and thorough testing, this producer ensures tight tolerances, low leakage, and long life. Global procurement teams benefit from scalable volumes, consistent quality, and transparent lead times. Technical support covers seal selection, performance optimization, and lifecycle cost reduction, helping buyers streamline procurement and minimize downtime. For buyers seeking reliability, the choice is clear: partner with a supplier that combines R&D, strong QA, and client-focused service. From design to validation, the process emphasizes risk mitigation, compliance, and continuous improvement. This is how a leading oil seal partner becomes a backbone for global operations.
| Product ID | Seal Type | Primary Material | Standard | Temp. Range (°C) | Hardness (Shore A) | Max RPM | Max Pressure (MPa) | Dynamic Leakage (mg/h) | Static Leakage (mg/h) | Expected Life (hrs) | Typical Applications | Certifications | Chemical Resistance | Abrasion Resistance | Surface Finish Ra (µm) | ID Range (mm) | OD Range (mm) | Thickness Range (mm) | Recommended Lubricant |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OS-001 | Single-Lip Radial Seal | Nitrile (NBR) | DIN 3760 / ASTM D2000 | -30 to +100 | 70 | 8,000 | 0.3 | 25 | <1 | 8,000 - 20,000 | Automotive crankshafts, gearboxes | ISO 9001, RoHS | Good vs mineral oils; moderate vs fuels | Medium | 0.4 - 1.2 | 5 - 120 | 10 - 18 | 3 - 12 | Mineral oil (ISO VG 32–150) |
| OS-002 | Double-Lip Oil Seal | HNBR | ISO 6194 / ASTM D2000 | -40 to +150 | 75 | 10,000 | 0.5 | 18 | <0.5 | 15,000 - 40,000 | Hydraulic cylinders, heavy machinery | ISO 9001, IATF 16949 (industry use) | Excellent vs hydraulic fluids | High | 0.2 - 0.8 | 8 - 220 | 4 - 20 | Synthetic hydraulic oil (PAO) | |
| OS-003 | PTFE-Lined Radial Seal | PTFE / Carbon-fiber filled | ISO 6194 / ASTM D1418 (material ref) | -200 to +260 | 60 (PTFE composite) | 20,000 | 0.8 | 8 | <0.1 | 30,000 - 80,000 | High-speed compressors, cryogenic systems | ISO 9001, REACH-compliant | Excellent vs chemicals, fuels; inert | High | 0.05 - 0.3 | 6 - 180 | 1 - 6 | Dry running or synthetic lubricants | |
| OS-004 | Spring-Energized Seal | PTFE + Stainless Spring | Custom spec / industry standards | -60 to +230 | 65 | 15,000 | 1.0 | 12 | <0.1 | 40,000 - 100,000 | Pumps for aggressive chemicals, valves | ISO 9001, REACH | Excellent vs acids, solvents | High | 0.05 - 0.5 | 10 - 240 | 0.8 - 8 | PTFE-compatible fluids; dry service possible | |
| OS-005 | Profile Lip Seal (multi-lip) | FKM (Viton-type) | DIN 3760 / ASTM D2000 | -20 to +200 | 80 | 12,000 | 0.6 | 30 | <0.5 | 20,000 - 60,000 | Fuel systems, high-temperature gearboxes | ISO 9001, REACH | Excellent vs fuels and oils | Medium-High | 1 - 50 | 6 - 80 | 2 - 12 | High-temp synthetic oils / greases | |
| OS-006 | Edge-Wiper Seal | EPDM | Industry standard design | -50 to +150 | 65 | 6,000 | 0.2 | 40 | ~1 | 6,000 - 25,000 | Automotive doors, window mechanisms, agricultural | ISO 9001 | Good vs water/glycols; poor vs oils | Medium | 2 - 80 | 6 - 120 | 1 - 8 | Silicone or water-resistant greases | |
| OS-007 | Gearbox Shaft Seal (multi-lip) | High-temperature FKM blend | DIN 3760 / Industry spec | -25 to +220 | 85 | 14,000 | 0.6 | 20 | <0.5 | 25,000 - 55,000 | Industrial gearboxes, turbines | ISO 9001, ISO 14001 | Excellent vs oils and heat | High | 0.3 - 1.0 | 10 - 200 | 3 - 15 | High-temp mineral or synthetic gear oil |
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