SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size
The SPEEDAIRE Quick Connect Hose Coupling (MPN 30E678) is an industrial interchange brass/steel push-to-connect air coupling body with a 1/4 in body size and a 1/4 in female hose fitting. It features a 1/4"-18 thread…
SKU 3G-OTH-458687
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Product Description
The SPEEDAIRE Quick Connect Hose Coupling (MPN 30E678) is an industrial interchange brass/steel push-to-connect air coupling body with a 1/4 in body size and a 1/4 in female hose fitting. It features a 1/4"-18 thread size and push-to-connect locking type for secure air-line connections.
Frequently Asked Questions
What is the SPEEDAIRE 30E678 quick connect hose coupling used for?
The SPEEDAIRE 30E678 is a push-to-connect air coupling body used in industrial pneumatic systems to quickly connect and disconnect air tools, hoses, and lines. It is commonly applied in manufacturing, automotive repair, and general plant maintenance where secure, leak-free air connections are needed.
What are the specifications of the SPEEDAIRE 30E678 coupling?
The SPEEDAIRE 30E678 has a 1/4 in body size, 1/4 in female hose fitting, and a 1/4"-18 thread size. It features a push-to-connect locking type and is made of brass and steel for durability in industrial air-line applications.
Where to buy the SPEEDAIRE 30E678 quick connect coupling worldwide?
3G Electric supplies the SPEEDAIRE 30E678 push-to-connect coupling to customers 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 industrial interchange air coupling.
How to install a SPEEDAIRE push-to-connect air coupling?
To install the SPEEDAIRE 30E678, ensure the air line is clean and cut square. Push the hose firmly into the coupling body until it locks. Pull back gently to confirm secure engagement. For disconnection, press the release collar and pull the hose out. Always depressurize the system before servicing.
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Common applications for SPEEDAIRESPEEDAIRE Products
3G Electric supplies SPEEDAIRE industrial interchange brass/steel quick-connect air coupling bodies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.








