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DANFOSS / EATON CPLNG 4000 SERIES

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Description & Features

The Danfoss / Eaton CPLNG 4000 SERIES quick disconnect coupling is suitable for general pneumatics, construction, industrial plants, and fluid transfer applications.

This quick connect and disconnect features a sleeve lock safety locking mechanism, a ball lock internal connection, and exceeds ISO 16028 operating pressures. The coupling is made of brass with Buna-N seals and a 3/8" port size. End 1 is a 0.375" male push to connect, while End 2 is a 0.375" female NPTF.

SKU: B43

Supplier Part Number (MPN): B43

Specifications

Brand
Aeroquip® by Danfoss
Angle Shape
Straight
Connection Size 1
3/8 in
Connection Size 2
3/8 in
Connection Type
FNPT, Male Quick-Disconnect
Connection Type 1
Female NPTF
Connection Type 2
Male Quick Disconnect
Dimensions
1.81 in L
Fitting Type
Male Half Coupling
For Use With
Compressed Air, Gases and Liquids
Hex Size
0.81 in
Internal Connection Type
Ball Lock
Material
Brass
Material Construction
Brass
Maximum Operating Pressure
1000 psi
Operating Temperature
-40 to 250 deg F
Safety Locking Mechanism
Sleeve Lock
Seal Material
NBR
Series
400 Series
Thread Sealant
Without Thread Sealant
Thread Size
3/8-18
Valve Type
1-Way

Product Questions & Answers (1)

Question by: Cindy W on Jul 8, 2025, 1:42 PM
Reckon this quick disconnect would work alright for hooking up air tools in my shop? Need something that won't leak.
Answer by: Customer Support on Jul 10, 2025, 10:35 AM
This Danfoss/Eaton coupling is well-suited for general pneumatics, so it should work fine for your air tools. It's got Buna-N seals, which help prevent leaks.

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