Graco 118491 100 PSI Air Pressure Gauge 1/4 NPT Bottom
$11.10
Available to Order
The Graco 118491 Gauge provides accurate pressure monitoring for high-pressure airless sprayer systems. Reliable, durable, and easy to install.
- Compatible Machines: Mark V, Mark X, King, GH Series, ProX
- Pressure Range: 0–100 PSI
- Connection: 1/4" NPT bottom mount
- Construction: Stainless steel case, brass internals, polycarbonate lens
- Use: High-pressure airless spray systems
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatible Machines for Graco 118491 100 PSI Gauge
- Graco Mark V
- Graco Mark X
- Graco King
- Graco GH Series Airless Sprayers
- Graco ProX Airless Sprayers
Product Overview
The Graco 118491 Gauge Air Pressure 100 PSI 1/4" NPT Bottom Mount delivers precise monitoring for airless sprayer systems. Built for durability, it integrates easily into high-pressure circuits for professional coating applications.
- Pressure Range: 0–100 PSI with ANSI/ASME B40.1 Grade 2.5 accuracy
- Connection: 1/4" NPT bottom-mount, side outlet configuration
- Construction: Stainless steel case, brass trim, polycarbonate lens
- Durability: Vibration-resistant, shatterproof lens, overpressure protection up to 150 PSI
- Integration: Mount directly on pump heads, manifold blocks, or bracket assemblies
Design & Materials
Crafted with a stainless steel bourdon tube and brass internal linkage, the gauge ensures mechanical stability and corrosion resistance. The polycarbonate lens is shatter-resistant, and elastomer O-ring seals prevent leaks.
Performance & Calibration
- Repeatability within ±2.5% of span
- Zero adjustment screws allow field recalibration
- Optional glycerin fill for vibration damping
- Maintains accuracy downstream of filters and during high-frequency cycles
Maintenance & Service
- Check zero alignment regularly
- Inspect polycarbonate lens for wear
- Periodic calibration recommended
- Modular socket design allows quick replacement without re-plumbing
Frequently Asked Questions
The gauge measures pressures from 0 to 100 PSI with ANSI/ASME B40.1 Grade 2.5 accuracy.
Compatible with Graco Mark V, Mark X, King, GH Series Airless Sprayers, and ProX Airless Sprayers.
The gauge features a stainless steel case, brass internal linkage, and a shatterproof polycarbonate lens for durability.
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