From the bench to the field, I craft Hydraulic Oil Seals with the exacting tolerance your equipment deserves. I know OEM standards matter, so I design every seal for reliable performance in demanding hydraulic systems. I offer a complete range of hydraulic oil seals for cylinders, rods, and manifolds, tailored to your pressure, temperature, and speed requirements. When you partner with me, you get proven materials, strict quality control, and fast lead times. For OEMs and Suppliers searching for durable, cost-effective sealing, my Hydraulic Oil Seals deliver leak-free operation, long service life, and easy installation. These seals resist wear, chemicals, and high pressure across mobile and stationary equipment. I listen to your needs, recommend the right size, material, and lip design, and support you through sampling, testing, and on-site trials. Choose me for consistent quality, competitive pricing, and dependable supply for your OEM projects and long-term supplier relationships.
We manufacture a full range of hydraulic oil seals—rod and piston seals, wipers, O-rings and custom profiles—designed for high pressure, wide temperature ranges and low friction. Materials include NBR, HNBR, FKM, PTFE and polyurethane with reinforced fabric or metal cases. Precision molding and CNC finishing deliver tight tolerances, low leakage and long wear life for mobile hydraulics, industrial presses, construction, agriculture and marine systems. Modern production lines, ISO-based quality control and advanced testing (leakage, endurance, hardness and dimensional) enable fast prototyping and scalable mass production. Custom compounds, tooling and export packaging support OEM and aftermarket needs with competitive lead times and pricing. Contact our sales team for quotes, samples and technical drawings to match your specifications.
| Product Category | Example Model / Part | Seal Type | Primary Material | Size Range (mm) | Operating Temp (°C) | Max Pressure (bar) | Typical Application | Compatible Fluids | Recommended Surface Finish (Ra µm) | Common Standards / Spec. | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rod Seal | RS-DoubleLip-DR | Single-acting lip seal | HNBR | 8 – 200 | -30 to +150 | ≤ 350 | Cylinders, mobile hydraulics | Mineral oils, synthetic esters | 0.2 – 0.6 | ISO, ASTM (general industrial specs) | High wear resistance; suitable for dynamic rod movement. |
| Piston Seal | PS-Ucup-HP | U-cup / Piston packing | Polyurethane (PU) | 10 – 250 | -30 to +80 | ≤ 420 | Hydraulic cylinders with heavy loads | Mineral oils, anti-wear fluids | 0.2 – 0.8 | ISO, SAE (construction & industrial) | Excellent extrusion resistance; not recommended for extended high-temperature service. |
| Wiper / Scraper | WP-Scrape-X | External dust wiper | NBR | 6 – 160 | -40 to +100 | Up to 200 (static mounting) | Rod protection on cylinders | Mineral oils, water-glycol (limited) | 0.4 – 1.2 | Industry dust/dirt exclusion guidelines | Primary function is contamination exclusion; keeps lubricant in and debris out. |
| O-ring (Backup/Sealing) | OR-Static-V | Static elastomeric seal | NBR | 3 – 500 (ID) | -40 to +120 | Depends on gland (≤ 300 typical) | Static joints, valve seats | Mineral oils, synthetics | 0.4 – 1.6 | ISO 3601 (O-ring general practices) | Widely used for static sealing; choose compound per fluid and temp. |
| Back-up Ring | BR-PTFE-S | Anti-extrusion ring | PTFE | 6 – 300 | -200 to +260 | Supports seals up to 600 (system dependent) | High-pressure hydraulic systems | All hydraulic fluids, including water-glycol | — (rigid) | Material standards for PTFE components | Used in tandem with elastomer seals to prevent extrusion at high pressure. |
| Rotary Shaft Seal | RS-Rotary-Lip | Lip-type rotary seal | PTFE composite | 6 – 120 | -30 to +200 | ≤ 200 (rotary applications) | Hydraulic motors, pumps | Mineral oils, synthetic hydraulic fluids | 0.2 – 0.6 | General rotary sealing recommendations | Low friction option for moderate pressure rotary shafts; temperature resistant. |
| Tandem Seal Assembly | TAN-2Stage | Combined primary + secondary lips | HNBR + PTFE | 10 – 200 | -30 to +150 | ≤ 350 (system dependent) | High reliability cylinders | Mineral oils, synthetic esters | 0.2 – 0.6 | Industrial sealing system best practices | Primary lip seals pressure, secondary lip provides backup and leak control. |
| Wear Ring / Guide | WR-PTFE-Guide | Non-sealing wear guide | PTFE / Reinforced | 12 – 300 | -50 to +200 | Non-pressure bearing (guidance only) | Cylinder rod/piston guidance to prevent metal contact | All hydraulic fluids | — (surface contact) | Design guidelines for wear components | Protects seals by preventing metal-to-metal contact; reduces side loads. |
| High-Temp Seal | HT-FKM-Lip | High-temperature lip seal | FKM (Viton) | 6 – 120 | -20 to +200 | ≤ 250 | Specialized hydraulic equipment exposed to heat | Synthetic oils, some phosphate esters (verify compatibility) | 0.2 – 0.8 | High-temp elastomer recommendations | Select compound carefully for fluid compatibility at elevated temperatures. |
| Low-Temp Seal | LT-NBR-S | Elastomer low-temp dynamic seal | NBR (low-temp grade) | 6 – 160 | -50 to +90 | ≤ 200 | Cold-climate hydraulics | Mineral oils with low pour point | 0.2 – 0.8 | Cold-environment sealing practices | Improved flexibility at low temperatures to prevent hardening and leakage. |