What do you mean "pull down on the knob. it should move 3mm (1/8") or so. then it will be very easy to turn.". how do you pull down on the knob?

The knob can lock in place to keep your setting. You simply pull the knob away from the valve to unlock it. Most users will install with the knob pointing down, hat is why they said pull down. Very good product, you will like it.

Can the oil supply cup be removed when oiling is not required for use with a plasma cutter?

No, it cannot, there. is air air pressure through the unit any time the supply is on. If you’re talking about just the oil cup, you could clean it out and and re-install to to use with a plasma cutter. Good luck!

Ok, so are you supposed to add water to this filter? I'm a little confused about how this is supposed to work.

No you are not supposed to add water. The clear part on the bottom of this regulator is to collect moisture in the air running through it. You then press the brass release on the bottom to drain any water that is collected.

Can I use it for my airbrush work, t shirts , hats etc?

It will take 125 psi air and dial it down to 0 psi. I needed 2 to 5 psi for my application. I would think it would work.

1 4npt Air Pressure Regulator With Gauge

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🔝 Elevate Your Air Game with Precision Control!

ROBUST DESIGN - Steel bracket ensures stability and protection for your gauge.
PRECISION CONTROL - Maintain constant air pressure for optimal tool performance.
TEMPERATURE RESILIENCE - Operates efficiently in a wide temperature range of 40-140°F.
VERSATILE COMPATIBILITY - Perfect for a wide range of air tools, enhancing their service life.
USER FRIENDLY INSTALLATION - Quick and easy setup with no leaks, saving you time.

The Air Pressure Regulator with Gauge is a high-performance tool designed to maintain a consistent air pressure of 0-145 PSI, ensuring your air tools operate at their best. With a robust aluminum construction and a protective steel bracket, this regulator is built for durability and ease of use. Weighing only 7 ounces, it’s lightweight yet powerful, making it an essential addition to any air compressor setup.

Reviews

C**A

nice

impressed, suprisingly good quality.

25.03.2026

D**G

Great price

Have it for a back up. Great price.

11.12.2025

S**N

It’s a nice regulator for the price. Don’t expect professional-grade

For what this is, it’s a nice regulator. It leaks ever-so-slightly over time but the manufacturer says this is normal (sure…). It works well with my DIY baby compressor at home.

10.02.2024

A**R

Good Product

Works perfect.

28.06.2025

E**B

Threads are oversized.

The threads for the gauge and plug are not correct. You will have to get creative to get them to seal.

9.02.2025

B**H

Good product

Haven't used yet

2.10.2025

O**N

Npt thread contact is not the norm.

The unit is working fine, but when I threaded the gauge into the appropriate spot it threaded in to the last 2 threads before it had any resistance. The infeed and outfeed threaded holes were the opposite, with barely 2 threads in and lots of resistance. I continued and was expecting the worse, but with lots of teflon tape on the threads it passed the bubble test, but my experience in maintenance says that this is not the correct amount of thread contact on a normal thread.

8.04.2025

T**N

Perfect addition to my compressor to laser connection

I had blown out a selenoid on my Thunderlaser and needed an easier way to control the pressure between my compressor and the laser. A quick connection to the compressor and my feed hose to the laser an now I have an easy shutoff and way to control the pressure with more accuracy than my air compressor provided through its pressure regulator.

29.11.2023

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840240₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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1/4"NPT Air Pressure Regulator with Gauge

Description

Specifications

Reviews

Common Questions