SPEEDAIRE Quick Connect Hose Coupling: 1/2 in Body Size, 3/8 in Hose Fitting Size
The SPEEDAIRE Quick Connect Hose Coupling (MPN 30E581) is a global-style high-flow steel quick-connect air coupling plug with a 1/2 in body size and a 3/8 in hose fitting size. It features a 3/8"-18 FNPT thread and…
SKU 3G-OTH-456868
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Product Description
The SPEEDAIRE Quick Connect Hose Coupling (MPN 30E581) is a global-style high-flow steel quick-connect air coupling plug with a 1/2 in body size and a 3/8 in hose fitting size. It features a 3/8"-18 FNPT thread and does not include a valve. 3G Electric interprets demand for this coupling 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 30E581 quick connect hose coupling used for?
The SPEEDAIRE 30E581 is a global-style high-flow steel quick-connect air coupling plug used to connect pneumatic tools and hoses in industrial compressed air systems. It suits applications across machining, material handling, and general plant maintenance where reliable, leak-free air connections are required.
What are the specifications of the SPEEDAIRE 30E581 coupling?
The SPEEDAIRE 30E581 has a 1/2 in body size, 3/8 in hose fitting size, and a 3/8"-18 FNPT thread. It is a global-style high-flow steel quick-connect plug without an integrated valve. The manufacturer part number is 30E581.
Where to buy the SPEEDAIRE 30E581 coupling worldwide?
3G Electric supplies the SPEEDAIRE 30E581 quick connect hose coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this pneumatic component for your industrial application.
How to install the SPEEDAIRE 30E581 quick connect coupling?
To install the SPEEDAIRE 30E581, apply thread sealant to the 3/8"-18 FNPT threads and hand-tighten into the mating port. Use a wrench on the coupling hex for final snugging—avoid overtightening. Ensure the air supply is off and depressurized before connection.
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3G Electric supplies SPEEDAIRE global-style high-flow 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.







