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Auto-Flo 23 Series, Aro 210 Interchange Multi-Series Coupling, Valved Female Half, -04 Coupling, 1/4-18 Female NPT

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Description & Features

Engineered for efficiency the DIXON Valve & Co Auto-Flo 23 Series offers a robust solution in air connectivity. Featuring a valved female half coupling this unit ensures a reliable seal with its standard Buna-N material maintaining compatibility with various industrial air systems.

Designed for easy use this product includes a 1/4-18 female NPT thread and integrates smoothly with Eaton FD40 Series air quick disconnects. The automatic sleeve enables one-hand push-to-connect operation while a protective collar minimizes accidental disconnections.

To enhance mobility the coupling swivels 360deg; reducing the risk of hose kinking. Built from heavy-duty brass it is rust-resistant adding to its durability.

Meeting the dimensional requirements of MIL-C-4109 the coupling accepts male halves from various models ensuring versatility for industrial applications.

MPN: 2UF2-B

Specifications

Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
FNPT, Quick-Disconnect
Connection Type 1
Quick Disconnect
Connection Type 2
Female NPT
Dimensions
0.92 in OD x 2.32 in L
Fitting Type
Coupler
Hex Size
3/4 in
Material
Brass
Material Construction
Brass
Operating Temperature
-40 to 250 deg F
Seal Material
Nitrile
Series
U Series
Sg Maximum Operating Pressure
Aeroquip Models 500 psi, Oetiker Models 360 psi, Milton Models 300 psi, Dixon Models 300 psi
Sg Milton Coupling Features
Ideal for Use when Male Half Type is not Known, Accepts Male Halves from Aeroquip FD40 Series, Aeroquip FD41 Series (Aro 210), Tru-flate and Parker (Automotive), Rust Resistant - Made of Heavy-Duty Brass, Push Type - Body Engages Automatically, Drag Guard
Sg Oetiker Swing Coupling Features
Interchanges with Aeroquip FD40 Series, Safe Automatic Venting of Trapped Air when Disconnecting, Meets Dimensional Requirements of Mil-C-4109 for Industrial Interchangeability, to Connect, Insert Male Half into Coupling in Angled Position, Swing the Halv
Thread Sealant
Without Thread Sealant
Thread Size
1/4-18

Product Questions & Answers (1)

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Question by: Jean B on Aug 3, 2025, 6:44 PM
does this thing work with Aeroquip FD40 male halves, or do I need a specific type to mate up with it?
Answer by: Customer Support on Aug 5, 2025, 1:15 PM
Aeroquip FD40 Series male halves connect directly to this coupling without any adapters. It also accepts male halves from the Aeroquip FD41 Series, Tru-Flate, and Parker Automotive. So if you're not sure which male half you're working with, that's actually one of the selling points here. It was put together with mixed-fleet situations in mind, where you might have a few different brands floating around the shop.

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