SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size
The SPEEDAIRE Quick Connect Hose Coupling (MPN 30E704) is an industrial interchange steel air-coupling plug with a 1/4 in body size and a 3/8 in male hose fitting. It features a sleeve locking type and a 3/8"-18 MNPT…
SKU 3G-OTH-457085
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Product Description
The SPEEDAIRE Quick Connect Hose Coupling (MPN 30E704) is an industrial interchange steel air-coupling plug with a 1/4 in body size and a 3/8 in male hose fitting. It features a sleeve locking type and a 3/8"-18 MNPT thread. 3G Electric interprets demand and delivers this genuine SPEEDAIRE component across 14 industrial departments, with specialist depth in pneumatics as an authorised distributor.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SPEEDAIRE 30E704 quick connect hose coupling used for?
The SPEEDAIRE 30E704 is an industrial interchange steel air-coupling plug used to connect pneumatic tools and hoses in compressed air systems. It is common in manufacturing, automotive repair, and material handling applications where a reliable, quick-disconnect connection is needed.
What are the specifications of the SPEEDAIRE 30E704 coupling?
The SPEEDAIRE 30E704 has a 1/4 in body size, a 3/8 in hose fitting size, and a 3/8"-18 MNPT thread. It features a sleeve locking type and a male hose fitting gender. The coupling is made of steel for durability in industrial pneumatic systems.
Where to buy the SPEEDAIRE 30E704 quick connect coupling worldwide?
3G Electric supplies the genuine SPEEDAIRE 30E704 quick connect hose coupling to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility, ensuring you receive the correct pneumatic component for your application.
How to install the SPEEDAIRE 30E704 coupling on a hose?
To install the SPEEDAIRE 30E704, apply thread sealant to the 3/8"-18 MNPT threads and hand-tighten into the female port of your hose or fitting. Use a wrench to snug the connection without over-tightening. Always depressurize the system before installation to ensure safety.
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3G Electric supplies SPEEDAIRE industrial interchange 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.









