Engineered for demanding industrial environments, this Buna-N O-ring provides robust sealing performance. Its precise dimensions ensure a secure fit in critical applications, offering excellent resistance to oils and fuels.
| Standard | ASME B18 |
| Material | Carbon Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Inside Diameter | 7.021" |
| Outside Diameter | 0.255" |
| Cross Section | 0.251" |
A proven choice for industrial professionals, this Buna-N O-ring features a precise inside diameter of 7.021 inches, an outside diameter of 0.255 inches, and a cross-section of 0.251 inches. Constructed from high-grade Buna-N (Nitrile Butadiene Rubber) over a carbon steel core, it offers exceptional resistance to petroleum-based oils, fuels, and hydraulic fluids. This material combination ensures excellent abrasion resistance and a wide operating temperature range, making it ideal for static and dynamic sealing applications in hydraulic systems, pneumatic equipment, and general machinery.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating groove is clean and free of debris. 2. Carefully lubricate the O-ring and groove with a compatible lubricant. 3. Gently install the O-ring into the groove, avoiding stretching or twisting.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 9001:2015 Mfg |
| DIN Equivalent | Industry Standard |
| Primary Standard | ASME B18 |
| Tensile Strength | Standard Commercial Spec |
| Yield Strength | Standard Commercial Spec |
| Hardness | Varies by specific batch |
| Carbon (C) | 0.28 - 0.55% |
| Manganese (Mn) | 0.60 - 0.90% |
| Phosphorus (P) | 0.04% max |
| Sulfur (S) | 0.05% max |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| Standard | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong lubricant that is incompatible with Buna-N. | Always consult a compatibility chart to ensure the lubricant will not degrade the Buna-N material. |
| Over-stretching or twisting the O-ring during installation. | Handle the O-ring with care, ensuring it is properly seated without excessive deformation. |
A: This Industrial O-Ring, Buna-N is manufactured from Carbon Steel.
A: Hydraulic systems, Pneumatic actuators, Fuel systems.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||