DIXON VALVE & COUPLINGIndustrial Interchange Stainless Steel Quick-Connect Air Coupling Plugs

DIXON VALVE & COUPLING Quick Connect Hose Coupling: 1/2 in Body Size

The DIXON VALVE & COUPLING D4M4-S is an industrial interchange stainless steel quick-connect air coupling plug with a 1/2 in body size and 1/2 in MNPT male hose fitting. It features a 1/2" -14 thread size and sleeve…

SKU 3G-OTH-458521

Brand

DIXON VALVE & COUPLING

Item

Quick Connect Hose Coupling: 1/2 in Body Size

Technical Specifications

DIXON VALVE & COUPLING

Manufacturer Part Number

D4M4-S 

Type

MNPT 

Thread Size

1/2" -14 

Hose Fitting Size

1/2 in 

Hose Fitting Gender

Male 

Coupling Locking Type

Sleeve 

View Full Spec Sheet

Technical Documents

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DIXON VALVE & COUPLING Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the DIXON VALVE & COUPLING D4M4-S quick connect coupling used for?

The DIXON VALVE & COUPLING D4M4-S is an industrial interchange stainless steel quick-connect air coupling plug used for reliable compressed air line connections in manufacturing, maintenance, and pneumatic systems. Its 1/2 in body size and MNPT thread fit standard air tools and hoses.

What are the specifications of the DIXON VALVE & COUPLING D4M4-S?

The DIXON VALVE & COUPLING D4M4-S has a 1/2 in body size, 1/2 in MNPT male hose fitting, 1/2" -14 thread size, and sleeve locking type. It is made of stainless steel for corrosion resistance and is designed as an industrial interchange air coupling plug.

Where to buy the DIXON VALVE & COUPLING D4M4-S worldwide?

3G Electric supplies the DIXON VALVE & COUPLING D4M4-S worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this stainless steel quick-connect coupling.

How to install the DIXON VALVE & COUPLING D4M4-S quick connect coupling?

To install the DIXON VALVE & COUPLING D4M4-S, apply thread sealant to the 1/2" MNPT male threads and hand-tighten into the female port. Use a wrench on the coupling hex flats to secure without over-tightening. Ensure the sleeve locking mechanism engages fully before pressurizing the air line.

Used in

Common applications for DIXON VALVE & COUPLING

Chemical transfer — Dixon Type D forged brass cam and groove couplings for loading and unloading hoses in chemical processing plants.

Compressed air systems — Dixon Bowes Safety-Lock steel quick-connect plugs (e.g., N4M4-LS) for pneumatic tool connections in manufacturing facilities.

Marine fuel handling — Dixon Type C 316 stainless steel cam and groove couplings for fuel transfer hoses on vessels and docks.

Bulk material handling — Dixon Type AL stainless steel adapters (e.g., 150-AL-SS) for connecting hoses to flanged pipes in grain or powder transfer systems.

Water supply lines — Dixon Type F forged brass adapters for temporary water connections in construction or agricultural irrigation.

Dust protection — Dixon Type DC stainless steel dust caps for sealing unused cam and groove couplings in outdoor or washdown environments.

DIXON VALVE & COUPLING Products

3G Electric supplies DIXON VALVE & COUPLING industrial interchange stainless steel quick-connect air coupling plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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