The Graco 162485 fitting is engineered for seamless integration with your airless sprayer setup, delivering uncompromised fluid flow and durable performance. Designed to handle up to 5,000 psi pressure, this carbon steel connector ensures efficient high-pressure filtration and minimal downtime. With a 3/8 in. male NPSM threaded end and a 3/8 in. male NPT inlet, this OEM part guarantees a secure, leak-proof seal. Ideal for professional coatings applications, the Graco 162485 component helps contractors achieve consistently smooth finishes on a variety of surfaces. Featuring robust construction and precise machining, it stands up to demanding job site conditions and frequent use. Experience the difference in reliability and ease of maintenance during every coating project. NPT
Whether you’re working on architectural coatings or industrial sealants, this connector enhances flow control and system integrity, reducing the risk of fluid leakage. Pair it with Graco Ultra Max and other compatible pump systems for optimal results in professional coatings operations. NPSM
Engineered for rugged duty, the Graco 162485 fitting serves as a critical interface between fluid lines in advanced finishing systems. The precision-machined 3/8″ NPSM male and 3/8″ NPT male threads deliver leak-free coupling under dynamic conditions in modern airless sprayer setups. OEM-certified by Graco, this component aligns with Ultra Max II and similar platforms, ensuring consistent performance during high-volume operations. Flow optimization within the compact body geometry contributes to maximise throughput while reducing pressure drop. Because each unit is manufactured to strict tolerances, coupling interchangeability and repeatable sealing engagement are guaranteed across pump modules, supporting stable line pressure and enhanced overall pump efficiency.
The Graco 162485 connection utilizes carbon steel sourced for high tensile strength and fatigue resistance, enabling extended life cycles even under cyclic loading. Precision CNC machining creates accurate 3/8″ NPT and 3/8″ NPSM thread profiles with Class 2A fit tolerances, promoting reliable metal-to-metal sealing. Post-machining, the fitting undergoes electrolytic zinc plating to achieve uniform corrosion protection and electrical continuity, which are essential for grounding protocols in high-pressure fluid systems. Micro-hardness testing ensures the core remains resilient against indentation and wear during assembly or disassembly processes. Bore diameters and wall thicknesses are optimized through finite element analysis to balance weight, pressure retention, and thermal expansion properties across a wide temperature range. Dimensional audits, conducted per ISO 2768 standards, confirm concentricity and runout within micrometer-level limits. Environmental surface treatments extend service intervals in harsh chemical environments, reducing downtime and maintenance frequency. This material system also exhibits compatibility with petroleum-based solvents, waterborne coatings, and specialty additives, safeguarding against galvanic corrosion during multi-material fluid transfers.
With a maximum rated pressure of 5,000 PSI, this fitting addresses the demands of commercial-scale fluid delivery systems and spray booths. Computational fluid dynamics analysis determines a smooth internal radius to achieve a high Cv value, minimizing turbulence and pressure loss across a broad flow range. The design maintains laminar flow up to Reynolds numbers exceeding 10,000, supporting frequent purge cycles and self-cleaning action in demanding line conditions. Laboratory cycle tests reveal coupling endurance beyond 10,000 engagements without leak initiation, while temperature cycling between –20 °C and 80 °C confirms thermal stability. By preserving consistent backpressure, the component contributes to efficient nozzle atomization patterns in high-speed production lines, elevating professional coatings quality and repeatability. Integration with directional control valves and manifold blocks expands its utility in automated spray systems and precision metering stations.
Installation of the Graco 162485 fitting demands adherence to precise torque specifications to prevent galling or thread deformation. Recommended tightening torque ranges between 15 and 20 lb·ft, following Graco’s engineering guidelines, balancing metal compression with seal integrity. Compatible sealants such as PTFE paste or anaerobic compounds must match the chemical profile of pumped media and operating temperatures. The dual-thread interface — NPT on one side and NPSM on the other — ensures versatile integration across manifold blocks, feed tubes, and quick-disconnect assemblies. To avoid cross-threading, technicians must align thread helixes before hand-starting engagement, then apply calibrated torque tools. Optional anti-vibration washers or spring lock nuts can be installed to mitigate loosening in high-vibration environments, effectively extending service intervals and reducing unscheduled maintenance. For applications requiring sterilization or clean-in-place (CIP) protocols, the fitting’s carbon steel body design is compatible with mild sterilants, although thread sealant choice must account for elevated temperatures and chemical exposure. Periodic application of anti-seize compound will further prevent galling in environments where disassembly intervals are frequent.
For streamlined maintenance, scheduled inspections of O-ring grooves and thread channels will reveal early signs of wear or particulate accumulation. Disassembly should follow a controlled purging sequence to remove trapped fluid and prevent aeration during reassembly. When integrating clean-fluid practices, it is advisable to employ inline high-pressure filtration modules upstream with 5 to 10 μm filter elements to capture abrasive contaminants and protect sealing surfaces. Replaceable filter housings and quick-access elements simplify servicing, while condition-monitoring sensors can detect differential pressure spikes as indicators of loading. Integration with control systems enables automated alerts on differential pressure, optimizing maintenance scheduling and preventing excessive wear due to overloading. After cleaning, re-torquing the fitting to specification ensures optimal sealing engagement. Proper maintenance protocols, combined with Graco factory-recommended lubricants, will preserve structural integrity and maintain consistent performance over extended operational life spans.
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