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DANFOSS / EATON CPLNG 4000 SERIES

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Description & Features

This Danfoss / Eaton Hansen 4000 Series quick disconnect coupling socket is suitable for industrial breathing air, general pneumatics, fluid transfer, and maintenance and repair applications.

The female half features a push-to-connect end type and a 1/2 inch NPTF male end. It is made of brass and features Buna-N seals and a ball lock internal connection. This coupling offers quick connect and disconnect without the need for special tools and exceeds ISO 16028 operating pressures. It is compliant with US Industrial Interchange and ISO 6150 Series B, A-A-59439 standards. Flow rate is 336.56 gallons per minute and minimum working temperature is -40 degrees.

SKU: 4500E

Supplier Part Number (MPN): 4500E

Specifications

Brand
Danfoss
Connection Size 1
3/8 in
Connection Size 2
1/2 in
Connection Type
MNPT
Connection Type 1
Male NPTF
Connection Type 2
Male NPTF
Dimensions
2.54 in L x 1.38 in W x 1.38 in H
Finish
Nickel-Plated
Fitting Type
Coupling
Fluid Compatibility
Compressed Air, Gases and Liquids
For Use With
Compressed Air, Gases and Liquids
Hex Size
7/8 in
Latch Type
Push/Pull
Material
Brass
Material Construction
Brass
Maximum Operating Pressure
1000 psi
Operating Temperature
-40 to 250 deg F
Safety Locking Mechanism
Pin Lock
Seal Material
NBR
Series
4000 Series
Thread Size
1/2-14
Valve Type
2-Way

Product Questions & Answers (1)

Question by: Lyle E on Dec 26, 2025, 7:19 AM
How does this thing connect up, like, what kinda fitting does it use?
Answer by: Customer Support on Dec 28, 2025, 6:45 AM
It uses a push-to-connect end for quick connections, and the other end is a 1/2 inch NPTF male thread.

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