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Graco 15V074 Plug 2-inch NPT HH

Precision Performance with Graco 15V074 Plug 2" NPT HH

The Graco 15V074 Plug 2" NPT HH is engineered for top-tier reliability in demanding environments. Designed to integrate seamlessly with modern graco paint machines, this plug delivers unmatched resistance against wear and tear, ensuring uninterrupted operation. Perfect for use in high-pressure filtration systems and advanced airless sprayer setups, it supports consistent fluid control and optimized flow rates. Built from premium materials, it stands up to abrasive substances and maintains peak performance even under the harshest jobsite conditions. Its precision-engineered seal prevents leaks and resists corrosion in industrial coatings and protection applications, while its compatibility with various pump models enables flexible deployment across workflows.

  • Industry-standard 2" NPT HH thread for secure fittings
  • Compact 4.05" x 4.6" x 4.3" dimensions
  • Durable construction for long-lasting service life

Whether you’re handling bulk coatings or specialty sealants, the Graco 15V074 offers effortless integration with your spray paint gun graco, streamlining maintenance and reducing downtime. Ideal for contractors and finishers working with professional coatings, this plug enhances system efficiency and delivers consistent application quality across projects of any scale.

$177

Precision Engineered Graco 15V074 2" NPT HH Plug for High-Pressure Coating Systems

The Graco 15V074 plug with a 2" NPT hex head is a critical component in industrial high-pressure fluid delivery systems. Purpose-designed for airless sprayer manifolds and pump assemblies, this plug maintains system integrity under extreme pressures up to 5,000 psi. Its robust construction supports professional coatings, ensuring consistent flow control and minimizing downtime. Engineered for seamless integration, the 15V074 plug optimizes pump efficiency and contributes to extended seal longevity by providing leak-free termination points in fluid circuits. Precise manufacturing tolerances guarantee a secure fit and reliable performance in the most demanding applications.

  • Manufacturer Part Number: 15V074
  • Weight: 1.195 lbs
  • Dimensions (L×W×H): 4.6" × 4.3" × 4.05"

Constructed from corrosion-resistant 316 stainless steel with hardened sealing surfaces, the plug resists wear and chemical attack in abrasive coating environments. Internal thread flanks are precision machined to an ANSI B1.20.1 standard, ensuring maximum retention torque without galling. The hex head design facilitates rapid installation using calibrated torque wrenches, reducing the risk of over- or under-torquing. Technicians leveraging graco spray tips will appreciate the plug’s compatibility with modular fluid circuits, enabling quick changeovers and minimal system downtime.

In bulk storage and transfer assemblies such as those found in drum cage texas installations, the 15V074 plug provides a reliable seal at vessel interfaces. Its smooth outer body profile minimizes fluid trap points, streamlining cleaning processes and preventing residual product buildup. When integrated upstream of high-pressure filtration units, the plug supports uninterrupted fluid throughput and simplifies element replacement by isolating sections of the supply line without full system depressurization. These features combine to enhance operational safety and maintenance efficiency.

Material Composition and Durability

The core body of the 15V074 plug is precision-fabricated from marine-grade 316 stainless steel for superior corrosion resistance in solvent-based and waterborne media. Threaded sealing surfaces are micro-finished to Ra ≤ 16 μin for reliable O-ring seating and extended seal longevity. Internally, the plug features a dynamic PTFE backup ring that prevents extrusion at high differential pressures and enhances compatibility with a broad range of hydraulic fluids and commercial coatings. The plug’s robust hardness rating (Rockwell B85) provides excellent galling resistance, preserving thread integrity through repeated service cycles.

Installation and Service Insights

Proper installation of the 2" NPT HH plug requires adherence to recommended torque values (150–180 ft-lb) for leak-free performance. Before installation, ensure that all mating surfaces are clean and free of debris. Apply a compatible thread sealant rated for high-pressure coatings systems to prevent cold flow and leakage under cyclic loading. During system start-up, monitor the plug interface for initial seepage and re-torque as necessary. Routine inspection intervals every 500 operational hours or according to system maintenance schedules will safeguard against seal fatigue and maintain optimal pump efficiency.

Engineering Applications and Best Practices

The Graco 15V074 plug is ideally suited for terminating blind ports in fluid section manifolds, isolating branch lines, and sealing unused injection points in multi-pump configurations. It supports versatile deployment in airless sprayer circuits, high-pressure manifold blocks, and filtration assemblies where elimination of dead legs is critical. For leak-free operation, ensure compatibility between plug materials and fluid chemistries, and verify thread engagement per engineering guidelines. By incorporating the 15V074 plug into preventive maintenance plans, facilities can achieve sustained system uptime, reduced fluid waste, and enhanced operator safety.

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