Graco Stellair 25F163 automatic spray gun is engineered for factories that refuse to compromise on speed, transfer efficiency, or surface quality. Purpose-built for robotic arms, reciprocators, and flat-line systems, this lightweight, low-profile applicator lays down uniform Class A coats on metals, plastics, and wood composites—helping you shorten cycle times while meeting the tightest thickness and appearance specs.
At just 1 lb (430 g), the Stellair’s anodized-aluminum body eases payload on automation equipment, reducing wear on servo motors and slides compared with bulkier spray heads. Yet beneath that slim chassis sits a rugged stainless-steel fluid section rated to 300 psi (21 bar) fluid pressure and 100 psi (7 bar) air pressure, delivering precise atomization even with high-solids or abrasive coatings.
Central to the gun’s repeatability is its 0.030 in (0.8 mm) nozzle, the sweet spot for many topcoat, primer, and clearcoat chemistries. Paired with Graco’s general-industry air cap, it produces an exceptionally fine particle size and a consistent, bell-shaped spray pattern—ideal for automotive trim, agricultural equipment, cabinetry, and architectural metalwork. Field tests show coatings engineers routinely achieve a first-pass transfer-efficiency gain of 5 – 8 % over legacy guns, yielding measurable paint savings across multi-shift operations.
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Operators appreciate the Stellair’s serviceability. A quick-change fluid cartridge slides out without tools, cutting scheduled maintenance downtime from hours to minutes. Tactile clicks in the fluid-flow knob verify a true zero setting, so technicians can dial in repeatable film builds between changeovers—crucial for ISO 9001 process audits. And because the air cap, needle, and tip share common part numbers with other Stellair models, spares inventory stays lean.
Integration is seamless. The gun’s compact, center-line design slips easily into dense robot clusters or narrow reciprocator brackets, while its universal mounting block supports both fixed and adjustable manifolds (sold separately). An external fan- and atomizing-air split maintains pattern width as line speeds fluctuate, letting PLC programs preserve finish quality without constant PID retuning. For facilities shifting from manual to automated finishing, Stellair’s familiar automatic conventional spray-gun curve flattens the learning curve for spray-parameter programmers.
Sustainability is built in. By atomizing coatings at lower air pressures, the automatic conventional spray gun reduces overspray and booth fogging, lowering VOC emissions and booth-filter load. Lightweight aluminum also shrinks the product’s embodied carbon compared with heavier cast-metal guns. Pair the Stellair with a Graco proportioner and you can log real-time fluid consumption, color changes, and maintenance intervals—rich data that supports ESG reporting and continuous-improvement initiatives.
If you already rely on the trusted Graco Air Pro spray gun for manual stations, the Stellair is the natural automated counterpart. Both share proven atomization technology and overlapping rebuild kits, which means your maintenance crew can service either tool with the same Graco parts on hand. Transitioning to the Stellair in robot cells therefore requires minimal retraining and ensures continuity in finish quality across your entire line.
HVLP excels in manual applications, but in high-throughput robotic cells the Graco Stellair 25F163 automatic conventional spray gun offers crucial advantages:
Whether you coat two dozen skid-loader cabs a day or run a 24/7 wood-trim line, the Stellair’s performance shines in:
Choosing the Graco 25F163 Stellair Auto Spray Gun yields immediate operational wins:
SprayersAndParts.com stocks genuine Graco Stellair 25F163 automatic spray guns alongside OEM Graco machine parts, rebuild kits, and a full line of Graco spray gun accessories. Need inline fluid filters, gun-mount manifolds, or robot-ready hose whips? We carry them all, so you can build a complete solution from a single cart and keep critical Graco parts on-site for rapid maintenance.
Ready to elevate your finishing line? Click “Add to Cart” or request a quote for project-level pricing. Our engineering team can assist with manifold selection, gun-mounting geometry, and air-header design to guarantee a plug-and-spray installation. Invest in the Graco Stellair automatic spray gun today and experience precision, productivity, and profitability in every pass.
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