1/4" 10,000 PSI NPT Grease Fitting for Plug Valve – Oil & Gas Flowline Component

The 1/4" NPT High-Pressure Grease Fitting is specifically engineered for the critical lubrication and internal sealing of plug valves used in demanding oilfield environments. Rated for working pressures up to 10,000 PSI, this fitting serves as the primary injection point for valve lubricants and sealants, ensuring smooth operation and preventing internal leaks in high-pressure flowlines and manifold systems.

Manufactured from high-strength forged alloy steel or stainless steel, the fitting features a heavy-duty internal check ball mechanism. This design allows for the high-pressure injection of specialized grease while providing a reliable back-check seal to prevent the escape of line fluids once the injection process is complete. The rugged construction is designed to withstand the mechanical stresses of wellhead assemblies and the abrasive nature of drilling and production fluids.

With its precision-machined 1/4" NPT threads and corrosion-resistant finish, this grease fitting is a vital component for the routine maintenance and long-term reliability of plug valves across upstream and midstream operations.

Features & Benefits

• 10,000 PSI Rating (10K): Built to safely handle the extreme injection pressures required for heavy-duty plug valve sealants.

• Internal Check Ball: Provides a reliable secondary seal to prevent backflow and pressure leakage during and after lubrication.

• High-Strength Construction: Forged body design resists mechanical impact, vibration, and high-torque installation.

• Corrosion-Resistant Coating: Designed for durability in harsh field environments exposed to salt spray, hydrocarbons, and drilling chemicals.

• Precision NPT Threads: Ensures a leak-tight, standardized connection to the valve body or lubrication port.

• Service-Friendly: Facilitates rapid field maintenance to minimize downtime and extend the service life of critical plug valves.

Specifications & Technical Details

Applications

This 1/4" grease fitting is optimized for high-pressure lubrication applications involving industrial plug valves. Typical uses include wellhead plug valve maintenance, manifold system lubrication, flowline valve sealing, and general equipment preservation in drilling and completion operations.

Quality Assurance

Each fitting is manufactured under strict quality control standards and undergoes rigorous testing to ensure check-valve integrity and structural performance under maximum rated pressure and harsh field conditions.

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