SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size
The SPEEDAIRE 30E688 is an industrial interchange steel quick-connect air coupling body with a 3/8 in body size and a 1/4 in male NPT hose fitting. It features a sleeve locking type and a 1/4"-18 thread size…
SKU 3G-OTH-457658
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Product Description
The SPEEDAIRE 30E688 is an industrial interchange steel quick-connect air coupling body with a 3/8 in body size and a 1/4 in male NPT hose fitting. It features a sleeve locking type and a 1/4"-18 thread size, designed for reliable air-line connections in industrial settings.
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 30E688 quick connect hose coupling used for?
The SPEEDAIRE 30E688 is an industrial interchange steel quick-connect air coupling body used for reliable air-line connections in pneumatic systems. It suits applications requiring a 3/8 in body size with a 1/4 in male NPT hose fitting, common in manufacturing and maintenance.
What are the specifications of the SPEEDAIRE 30E688 coupling?
The SPEEDAIRE 30E688 has a 3/8 in body size, 1/4 in hose fitting size, 1/4"-18 thread size, male NPT connection, and sleeve locking type. It is an industrial interchange steel quick-connect air coupling body designed for durable air-line connections.
Where to buy the SPEEDAIRE 30E688 coupling worldwide?
3G Electric supplies the SPEEDAIRE 30E688 quick connect hose coupling worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this coupling for your pneumatic system needs.
How to install the SPEEDAIRE 30E688 quick connect coupling?
To install the SPEEDAIRE 30E688, apply thread sealant to the 1/4"-18 male NPT threads and tighten into the female port using a wrench on the coupling body hex. Ensure the sleeve locking mechanism engages fully before pressurizing the air line.
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Common applications for SPEEDAIRESPEEDAIRE Products
3G Electric supplies SPEEDAIRE industrial interchange 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.









