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Tight-tolerance rod wear rings serve as critical components in hydraulic systems across light to heavy-duty applications. Under extreme pressure and temperature conditions, these precision wear rings (maintaining tolerances within ±0.001" for components under 6") ensure superior component alignment, minimizing operational clearance. The reduced extrusion gap achieved by tight-tolerance designs enhances the seal's effective pressure resistance, surpassing performance limits of standard-tolerance (±0.0025") alternatives.Tight-tolerance rod wear rings serve as critical components in hydraulic systems across light to heavy-duty applications. Under extreme pressure and temperature conditions, these precision wear rings (maintaining tolerances within ±0.001" for components under 6") ensure superior component alignment, minimizing operational clearance. The reduced extrusion gap achieved by tight-tolerance designs enhances the seal's effective pressure resistance, surpassing performance limits of standard-tolerance (±0.0025") alternatives.
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Tight-tolerance rod wear rings serve as critical components in hydraulic systems across light to heavy-duty applications. Under extreme pressure and temperature conditions, these precision wear rings (maintaining tolerances within ±0.001" for components under 6") ensure superior component alignment, minimizing operational clearance. The reduced extrusion gap achieved by tight-tolerance designs enhances the seal's effective pressure resistance, surpassing performance limits of standard-tolerance (±0.0025") alternatives.
· Available in various rubber materials (e.g., silicone, EPDM, FVMQ)
· Customizable dimensions, shapes, and durometer
· Stable performance under vibration and compression
· Optional color coding for circuit identification
Parameter | Value / Range |
Tight-tolerance rod wear rings | Wear Rings |
Operating Temperature Range | -53.9°C ~135°C° / -65°F～+275°F |
Operating Temperature (Max) | 135°C°/+275°F |
Primary Product Color | Yellow |
Primary Product Material | POM/ Polyoxymethylene |
Material Options | Silicone, EPDM, FVMQ, NBR,etc |
Hardness（Shore D） | 80 |
Color Options | Black, Red, Blue, Yellow, Custom |
Tolerance | Customer-defined |
Standard Compliance | Compliant with RoHS, REACH, and ISO/TS 16949 regulations |
Construction Machinery
Hydraulic cylinders,Bulldozer and loader transmission systems
Automotive Industry
Braking systems and suspension systems，Power steering hydraulic units
Industrial Equipment
Injection molding machines and die-casting machines
Agricultural Machinery
Tractor hydraulic lifting systems
· Fully customized mold design based on client drawings or samples
· In-house R&D support for material and structure optimization
· Low-volume prototype production available
· Free engineering consultation
1. Send your drawing/sample/technical requirements
2. DFM analysis & quotation within 24–48 hrs
3. Sample mold and prototype production (5–10 days)
4. Sample approval and mass production (lead time 15–25 days)
5. Full inspection + secure packaging + global shipping
· ISO9001 / IATF 16949 certified
· RoHS and REACH compliant materials
· 100% inspection before delivery
· Aging, leak, and compression set testing available
 | Can I customize the shape, size, and material of the seal? |
Yes, we offer full customization based on your drawings, samples, or technical specifications. Our in-house R&D team supports mold design, material selection, and rapid prototyping. |
| What is the minimum order quantity (MOQ)? |
Our MOQ depends on the complexity and material of the product, but we support small trial orders for new projects or sampling. |
| How long does it take to get samples? |
Typically, we can deliver prototype samples within 5–10 working days after confirming the drawings and specifications. |
| Are your materials RoHS and REACH compliant? |
Yes, all our standard materials are compliant with RoHS and REACH. Material certificates can be provided upon request. |
| What industries do you mainly serve? |
We mainly serve the automotive, EV, industrial equipment, and agricultural machinery industries, with connector sealing solutions tailored to harsh environments. |
| Do you offer engineering support or co-design services? |
Absolutely. Our team can assist with design for manufacturability (DFM), material selection, and structural optimization to meet your sealing performance needs. |
