• 3/8 inch 10000 PSI NPT giant button head grease fitting for plug valve lubrication in high pressure oil and gas flowline systems
  • 3/8" 10,000 PSI NPT Giant Button Head Grease Fitting – Oil & Gas Valve Part
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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

$29.00 USD
$45.60 USD $29.00 USD
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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

  • 10,000 PSI Pressure Rating: Safely contains extreme internal valve pressures while allowing for high-pressure sealant injection.

  • Giant Button Head Design: Provides a secure, heavy-duty engagement point for industrial grease couplers, preventing dangerous slip-offs.

  • Internal Ball Check Valve: Prevents hazardous back-pressure and fluid escape, protecting operators and expensive equipment.

  • NACE MR0175 Compliant Options: Available in specialized materials suitable for sour gas (H2S) service to prevent sulfide stress cracking.

  • Durable Construction: Built from premium alloy or stainless steel with protective plating to resist harsh environmental corrosion.

  • 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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