"Why does the gauge show high pressure when I'm not spraying, but drops when I pull the trigger?"

That's exactly how it works! When idle, see line pressure. When air flows (trigger pulled), the gauge shows your ACTUAL working pressure. Adjust the knob while flowing to dial in your spray setting—that's the number that truly matters for your finish

"Is this a true pressure regulator or just a flow control valve?"

This is an inline flow control with integrated pressure gauge—perfect for spray guns where you need to control air delivery AT the tool. For traditional diaphragm-style regulation, check out our AR-02 model which offers that functionality.

"Will this fit my HVLP/LVLP spray gun?"

Yes! Standard 1/4" NPT threads connect to virtually all HVLP, LVLP, and conventional spray guns. The swivel fitting lets you position the gauge for easy reading no matter how you hold your gun

"Will paint thinner or solvents damage the gauge?"

No—the gauge features a real glass lens (not plastic) that's chemical resistant. Thinners and solvents bead right off without fogging or hazing. Many pros specifically choose this gauge because it stays readable through years of daily use.

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AR-01 Air Compressor Regulator ¼ NPT. Air Pressure Regulator with Gauge 0-150 PSI

Product ID: 329507334

Details

Brand
LE LEMATEC
Global Trade Identification Number
Item dimensions L x W x H
6.3 x 5.7 x
Item weight
150 g
Material
Stainless

📏0-150 PSI precision gauge

🔩¼-inch universal thread

⚙️89 SCFM max flow

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AR$109026

Duties & taxes included

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Master your airflow, master your craft.

HIGH FLOW CAPACITY - Supports up to 89 SCFM for seamless operation of high-demand air tools
CLEAR DUAL SCALE GAUGE - Read pressure in PSI and bar for versatile, professional monitoring
UNIVERSAL COMPATIBILITY - 1/4-inch NPT swivel nut fits all standard air tools and paint guns
PRECISION PRESSURE CONTROL - Easily dial in exact PSI for flawless finishes and tool performance
ROBUST ALUMINUM ALLOY BUILD - Durable design built to endure heavy-duty shop environments

The LE LEMATEC AR-01 is a precision air compressor regulator featuring a 0-150 PSI gauge and 89 SCFM flow capacity. Crafted from durable aluminum alloy, it offers universal ¼-inch NPT compatibility and easy pressure adjustment, making it the go-to choice for professionals demanding reliable, accurate air pressure control in any workshop.

Specifications

ASIN	B07BW9BX6D
Best Sellers Rank	#173,854 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #611 in Air Compressor Accessories
Brand	LE LEMATEC
Customer Reviews	4.4 4.4 out of 5 stars (984)
Date First Available	21 September 2018
Item Weight	150 g
Item model number	AR-01
Manufacturer	Ubiquitous
Manufacturer Part Number	AR-01
Model	AR 1
Product Dimensions	6.3 x 5.7 x 5.5 cm; 149.69 g
Special Features	PSI & bar

Reviews

S**P

C'est un excellent produit, il est très précis même avec une entrée d'air à 90 psi. Il est facile à ajuster pour avoir une pression de 10 psi. J'Avais acheté un autre modele moins chère et c'était impossible de l'ajuster à basse pression et des fois, je baissais la pression et elle augmentait sur le cadran donc je l'ai retourné pour acheter celui-ci

19.03.2025

A**A

استخدمته ممتاز يعطي القراءة وهذا المطلوب فيه جوده فيه لمسه المنظر المنيوم خفيف

26.03.2025

B**.

Works really well for my set up! No leaks, easy to install and use!

3.05.2025

F**R

Loving this gauge so far, its way better than all the cheap ones I've tried previously and the air control on this one is superb, not just basically on/of but very controllable. Have only just got it so hoping it lasts as good as it looks, time will tell but I'm very happy with paying a little extra for this one so far.

6.01.2019

A**S

Accurate pressure control and solid metal construction. Keeps my spray work consistent.

10.08.2025

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