1/4" Air Regulator With Lock AR-03

Function

Item No. AR-03

  1. PSI/BAR two unit
  2. Watch with a pointer Clearly visible scale.
  3. 1/4" inlet and outlet
  4. Metal gauge Impact-resistant housing.
  5. Solvent resistant based on normal usage.
  6. For Spray gun, air tools.
  7. Made in Taiwan.
  8. With Lock

AR-03 · 1/4" Air Regulator · With Lock · Taiwan Made

Air Regulator AR-03 Professional 1/4" With Safety Lock | OEM / ODM Pneumatic Regulator Supplier

Air Regulator is a point-of-use pneumatic control device for spray guns, air tools, and compressor accessories. The LEMATEC AR-03 is for distributors and professional users who need 1/4" inlet/outlet compatibility, 0-140 PSI / 0-10 BAR adjustment, POM valve construction, a metal gauge case, and a manual lock to reduce accidental pressure shifts.

0-140 PSI0-10 BAR pressure range
With LockManual setting protection
1/4"Inlet and outlet
0.35 kgCompact tool-end weight
LEMATEC AR-03 1/4 inch air regulator with lock and metal gauge case
Quick Procurement Summary: The LEMATEC AR-03 is a 1/4" air regulator with manual safety lock, PSI/BAR dual-unit gauge, 0-140 PSI / 0-10 BAR range, POM valve body, metal gauge case, 0.35 kg net weight, and Taiwan manufacturing. It is intended for spray guns and pneumatic tools where tool-end adjustment and reduced accidental setting changes matter.
Key facts for Air Regulator
Brand / ModelLEMATEC AR-03
Category1/4" air regulator with lock / air flow regulator valve with pressure gauge
Use CasesSpray paint guns, pneumatic tools, compressor accessories, automotive refinishing, air-line pressure adjustment
Pressure Range0-140 PSI / 0-10 BAR
Compatibility1/4" inlet and outlet; NPT / PT universal positioning from source page copy
MaterialsPOM valve body, metal gauge case, normal-use solvent resistance
Buyer TypeDistributors, importers, spray gun accessory suppliers, pneumatic tool brands, OEM/ODM and private-label buyers
Why B2B Buyers Choose the AR-03
Lockable Setting for Repeatability

The manual lock helps reduce accidental pressure movement during long spray or air tool use. This is useful when consistent atomization or repeatable tool behavior matters.

Readable PSI / BAR Gauge

The pointer gauge supports dual-unit reading, helping distributors serve markets that reference either PSI or BAR without changing the product story.

Durable Tool-End Build

POM construction, metal gauge housing, and normal-use solvent resistance make the AR-03 suitable for spray gun and pneumatic tool environments where shop liquids may be present.

Clear Product Line Fit

AR-03 sits between basic regulators and digital regulators: simple analog readability, 1/4" compatibility, and a lock feature for buyers who do not need a digital display.

OEM / ODM and Wholesale Supply Support

LEMATEC supports distributors, importers, spray gun accessory suppliers, pneumatic tool brands, and private-label buyers seeking air regulators with sample validation, technical documents, product imagery, packaging discussion, and OEM/ODM project support.

Private Label Discussion Review logo marking, packaging, product line positioning, and model mix across analog and digital regulator series.
Sample Validation Evaluate gauge readability, lock feel, pressure adjustment, connector fit, material handling, and spray gun compatibility before bulk orders.
Quote Support Share application, quantity, market, target pressure range, packaging needs, and delivery date to receive model and quote guidance.
Professional Visibility and Control
Pressure Lock for Spray Gun and Air Tool Work

The AR-03 is designed for users who need to set airflow/pressure near the tool and reduce setting drift. For spray painting, this helps maintain a more repeatable point-of-use setting; for general pneumatic tools, it supports controlled tool-end adjustment.

AR-03 air regulator technical exploded view and dimensional measurement
AR-03 air regulator side profile and threading detail
1/4" Inlet / Outlet for Tool-End Setup

The AR-03 uses 1/4" inlet and outlet sizing, making it suitable for common spray gun and pneumatic tool setups. Buyers should confirm local thread standards, connector direction, and tool layout before bulk specification.

Use Case, Setup, and Buyer Check Table
Use caseRecommended setupWhy it mattersBuyer check
Spray paintingInstall near spray gun for point-of-use pressure adjustmentHelps reduce inconsistent atomization caused by pressure movement.Check pressure range, gauge readability, solvent exposure, and thread fit.
Pneumatic air toolsUse as compact tool-end regulator where pressure control is neededSupports repeatable output without returning to the compressor regulator.Confirm airflow demand, tool pressure requirement, and connector direction.
Distributor catalogPosition as analog lock-type regulator between basic and digital modelsGives buyers a clear reason to choose AR-03 over basic non-lock regulators.Prepare comparison with AR-01, AR-02, DAR03B, or other regulator models.
Private-label projectDiscuss packaging, model mix, logo direction, and sample validationAllows brands to build a regulator accessory line around user needs.Confirm MOQ, packaging format, market requirements, and technical documents.
Technical Procurement Specifications
AR-03 air regulator rear connection detail
AR-03 air regulator visible pointer scale close-up
Model NumberAR-03
Product Type1/4" air regulator with lock / flow valve with pressure gauge
Pressure Range0-140 PSI / 0-10 BAR
Air Inlet / Outlet1/4"
Valve Body MaterialPOM
Case MaterialMetal
Weight0.35 kg
Special FeatureManual safety lock
ApplicationsSpray gun, air tools, compressor accessory setups
OriginMade in Taiwan
Packing DataPlain box; 100 sets/ctn; 14.2/15.2 kgs/2.2'; delivery time 20-60 days after order confirmed
FAQ for B2B Buyers
Is AR-03 an air flow regulator or pressure regulator?

The source lists AR-03 as a flow valve with gauge. In buyer-facing terms, it functions as a compact air regulator for tool-end pressure/flow adjustment on spray guns and pneumatic tools.

When should buyers choose the lock version?

Choose a lock-type regulator when pressure movement during work can affect spray quality, tool repeatability, or operator confidence. The lock helps protect the chosen setting.

What should be checked before ordering?

Confirm pressure range, 1/4" thread compatibility, gauge readability, lock feel, solvent exposure, tool airflow demand, packaging needs, and target market requirements.

Can LEMATEC support regulator series planning?

Yes. LEMATEC can help buyers compare analog, lock-type, digital, and filter-regulator options for catalog planning, sampling, private-label projects, and wholesale supply.

Get the right Air Regulator setup

For distributor, importer, OEM/ODM, or private-label inquiry, send LEMATEC your application, quantity, target market, required pressure range, thread standard, packaging direction, and target delivery date. Our team can help confirm model fit, sample path, regulator series match, and quote guidance.

  • Application: spray gun, air tool, compressor accessory, refinishing, or general pneumatic setup
  • Quantity and market: distributor, importer, private-label brand, or industrial channel
  • Required specs: pressure range, 1/4" connection, lock requirement, material preference, packaging
  • Output: model recommendation, sample guidance, accessory match, and wholesale quote support
Request Air Regulator Quote and Samples
Vic Chen General Manager of LEMATEC

Direct B2B Inquiry

Vic Chen, General Manager at LEMATEC, supports distributors and tool brands evaluating air regulators, spray gun accessories, and OEM/ODM supply programs. Connect on LinkedIn or contact LEMATEC for project discussion.


Packaging List:Plain Box

Carton:100 sets/ctn

Weight:14.2/15.2kgs/2.2'

Delivery Time:20~60 Days After Order Confirmed