Please wait while we process your order...

Free Shipping on Qualifying Orders Fast Shipping — Most Orders Ship Same Business DayOrder by 1 PM CST for fastest dispatchCall +1 713-931-4102

Graco 104266 Air Regulator 1/2(f) inlet/outlet 0-250 psi (0-17 bar) zinc plated

$90.50
In Stock
Part #: 104266

The Graco 104266 Air Regulator provides precise control of air pressure for spray and pump systems, ensuring consistent and reliable performance.

  • Inlet/Outlet: ½″ NPT (F)
  • Pressure Range: 0 – 250 psi (0 – 17 bar)
  • Material: Zinc-plated steel body
  • Max Inlet Pressure: 300 psi (21 bar)
  • Gauge Port: ¼″ NPT
  • Application: Pneumatic cart-mounted pumps and industrial spray equipment
Quantity
Buy Now
Genuine OEM Part Fast Shipping (Order by 1 PM CST) Easy Returns

Product Details – GRACO 104266 Air Regulator

This is the genuine OEM pressure regulator from Graco, model number 104266, designed with a ½″ (f) inlet/outlet, zinc-plated body, and an adjustment range of 0-250 psi (0-17 bar). It features multiple outlets to allow connection of gauges or ball valves, delivering precise control of air pressure for process or spray equipment. :contentReference[oaicite:0]{index=0}

Key Specifications

Inlet / Outlet Size ½″ NPT Female
Pressure Range 0-250 psi (0-17 bar)
Maximum Inlet Pressure 300 psi (21 bar) :contentReference[oaicite:1]{index=1}
Maximum Flow Rate 90 SCFM :contentReference[oaicite:2]{index=2}
Material / Finish Zinc-plated body for durability and corrosion resistance
Gauge Port ¼″ NPT :contentReference[oaicite:3]{index=3}

Compatible Machines

The following list includes known Graco machines where this regulator has been identified as a compatible part: :contentReference[oaicite:5]{index=5}

  • 231-133 (Series A) Pneumatic Cart Mount Pump
  • 231-134 (Series A) Pneumatic Cart Mount Pump
  • 231-135 (Series A) Pneumatic Cart Mount Pump
  • 231-136 (Series A) Pneumatic Cart Mount Pump
  • 231-137 (Series A) Pneumatic Cart Mount Pump
  • 231-145 (Series A) Pneumatic Cart Mount Pump
  • 231-146 (Series A) Pneumatic Cart Mount Pump
  • 231-147 (Series A) Pneumatic Cart Mount Pump
  • 231-170 (Series A) Pneumatic Cart Mounted Pump
  • 231-171 (Series A) Pneumatic Cart Mounted Pump
  • 231-172 (Series A) Pneumatic Cart Mounted Pump
  • 231-173 (Series A) Pneumatic Cart Mounted Pump

Why Choose This Regulator?

Choosing the 104266 ensures you get a regulator that is built for robustness in industrial or finishing systems. With its zinc-plated body, ½″ NPT ports, and the ability to handle up to 250 psi regulated output, it’s ideal for spray, lubrication & fluid handling systems. :contentReference[oaicite:6]{index=6}

Installation & Maintenance Tips

  • Ensure the regulator is installed upstream of the control line and that inlet air is clean and dry to protect internal components.
  • Use thread sealant compatible with air systems and ensure proper torque to avoid leaks at the ½″ NPT connections.
  • After installation, adjust the output pressure slowly while monitoring any connected gauges or systems.
  • Periodically check for wear, corrosion or sticking—especially in high-cycle or abrasive environments.
  • If the regulator fails to hold pressure or fluctuates, inspect for internal diaphragm damage or contamination.

Frequently Asked Questions

The regulator allows adjustment from 0 to 250 psi (0-17 bar), making it suitable for most pneumatic pump and spray systems.

Yes — provided your equipment uses a ½″ female NPT inlet/outlet and the intended pressure range (0-250 psi) matches your application. Always verify compatibility with your system requirements.

Regular maintenance includes checking for leaks, ensuring the gauge port and outlet are clean, and verifying the body’s finish is intact to prevent corrosion. Replace if performance degrades.

For OEM-quality performance and reliable pressure control, the GRACO 104266 Air Regulator is a dependable choice for your pneumatic cart-mounted pumps and related systems.

No reviews yet. Be the first to review this product!

Related Products

Graco 2005276 Fluid Filter Manifold Outlet Packless Plug 3/8 XT −8%
Graco
Graco 2005276 Fluid Filter Manifold Outlet Packless Plug 3/8 XT
Part #: 2005276
$44.81 $48.50 Save $3.69
Buy Now
−5%
Graco
Graco 2005275 Outlet Fluid Filter 1/4 XT Spray System
Part #: 2005275
$36.67 $38.80 Save $2.13
Buy Now
Your Cart
No items in cart.
Add more items
Total 0
Checkout Modify Cart