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3/8" 10,000 PSI NPT Giant Button Head Grease Fitting – Oil & Gas Valve Part
3/8" 10,000 PSI NPT Giant Button Head Grease Fitting – Oil & Gas Valve Part
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The 3/8" 10,000 PSI NPT Giant Button Head Grease Fitting is a critical maintenance component engineered specifically for the safe and efficient lubrication of high-pressure flowline valves. Designed to facilitate the injection of heavy-duty sealants, lubricants, and valve flush materials under extreme pressure, this fitting ensures proper valve operation, reduces friction, and maintains a blowout-proof internal seal in rigorous upstream environments.
Manufactured from high-strength alloy steel (such as AISI 4140 or 316 Stainless Steel) and featuring precision-cut 3/8" National Pipe Threads (NPT), this fitting securely integrates directly into the valve body. It utilizes a robust internal ball check valve mechanism, supported by a high-performance spring, to prevent the hazardous backflow of high-pressure wellbore fluids or gases during the greasing process. The giant button head profile provides a secure, leak-free connection for heavy-duty industrial grease guns and hydraulic injection pumps.
Designed for uncompromising safety and reliability, this 3/8" grease fitting is an essential consumable for routine maintenance programs on critical oil and gas manifolds and wellhead equipment.
Features & Benefits
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10,000 PSI Pressure Rating: Safely contains extreme internal valve pressures while allowing for high-pressure sealant injection.
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Giant Button Head Design: Provides a secure, heavy-duty engagement point for industrial grease couplers, preventing dangerous slip-offs.
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Internal Ball Check Valve: Prevents hazardous back-pressure and fluid escape, protecting operators and expensive equipment.
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NACE MR0175 Compliant Options: Available in specialized materials suitable for sour gas (H2S) service to prevent sulfide stress cracking.
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Durable Construction: Built from premium alloy or stainless steel with protective plating to resist harsh environmental corrosion.
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Direct Field Replacement: Engineered with standard 3/8" NPT threads to easily replace worn or damaged OEM valve fittings.
Specifications & Technical Details
| Category | Specification |
| Component Type | Valve Maintenance Part / Grease Injection Fitting |
| Connection Size | 3/8" NPT (National Pipe Thread) |
| Head Style | Giant Button Head |
| Pressure Rating | 10,000 PSI |
| Body Material | High-Strength Alloy Steel / 316 SS |
| Internal Components | Stainless Steel/Monel Ball, High-Strength Spring |
| Service Type | Standard Oilfield / Sour Service (Material Dependent) |
| Typical Applications | Gate valves, plug valves, wellhead manifolds, choke valves |
| Testing & Compliance | Manufactured to industry pressure and dimensional standards |
Applications
This 3/8" NPT grease injection fitting is strictly required for the routine maintenance of high-pressure oil and gas valves. Typical applications include lubricating wellhead gate valves, servicing quarter-turn plug valves on frac manifolds, maintaining choke and kill manifolds, and injecting sealant into high-pressure pipeline isolation valves.
Quality Assurance
Each grease fitting is manufactured under strict quality control protocols, undergoing precise thread gauging and internal check-valve functional testing to ensure blowout-proof reliability and consistent grease flow under extreme 10,000 PSI operational loads.
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📞 +1 405 666 5011
📧 seo@blazess.com
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