We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

SPEEDAIRE Quick Connect Hose Coupling Set: 1/4 in Hose Fitting Size, Push-to-Connect - Global-Style High-Flow Steel Quick-Connect Air Coupling Bodies
SPEEDAIREGlobal-Style High-Flow Steel Quick-Connect Air Coupling Bodies

SPEEDAIRE Quick Connect Hose Coupling Set: 1/4 in Hose Fitting Size, Push-to-Connect

The SPEEDAIRE Global-Style High-Flow Steel Quick-Connect Air Coupling Bodies (SKU 30E591) are push-to-connect couplings with a 1/4"-18 thread size and an integrated valve. These bodies are designed for quick, secure…

SKU 3G-OTH-459736

Brand
SPEEDAIRE
Item
Quick Connect Hose Coupling Set: 1/4 in Hose Fitting Size, Push-to-Connect
Category
Global-Style High-Flow Steel Quick-Connect Air Coupling Bodies
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SPEEDAIRE
Manufacturer Part Number
30E591
Type
Push-to-Connect, Includes Valve
Thread Size
1/4"-18
Includes Valve
Yes
Coupling Locking Type
Push-to-Connect
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SPEEDAIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEEDAIRE Global-Style High-Flow Steel Quick-Connect Air Coupling Bodies (SKU 30E591) are push-to-connect couplings with a 1/4"-18 thread size and an integrated valve. These bodies are designed for quick, secure air-line connections in industrial pneumatic systems.

Frequently Asked Questions

What is the SPEEDAIRE 30E591 quick connect hose coupling used for?

The SPEEDAIRE 30E591 is a global-style high-flow steel quick-connect air coupling body used to rapidly connect and disconnect pneumatic tools and hoses in industrial compressed air systems. Its push-to-connect design with an integrated valve allows tool changes without air loss, improving productivity in manufacturing and maintenance environments.

What are the specifications of the SPEEDAIRE 30E591 coupling?

The SPEEDAIRE 30E591 coupling has a 1/4"-18 thread size, push-to-connect locking type, and includes a valve. It is a global-style high-flow steel quick-connect air coupling body designed for 1/4 in hose fittings. The manufacturer part number is 30E591, and it is made by SPEEDAIRE.

Where to buy the SPEEDAIRE 30E591 coupling worldwide?

3G Electric supplies the SPEEDAIRE 30E591 quick connect hose coupling set to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this push-to-connect coupling with integrated valve for your pneumatic systems.

How to install the SPEEDAIRE push-to-connect coupling?

To install the SPEEDAIRE 30E591 push-to-connect coupling, first ensure the air supply is off. Thread the 1/4"-18 male end into the female port using a wrench on the hex flats—do not overtighten. Push the hose into the coupling until it clicks. The integrated valve automatically seals when disconnected. Always follow standard pneumatic safety practices.

Used in

Common applications for SPEEDAIRE
Manufacturing assembly lines — SPEEDAIRE compressed air filters (e.g., 4ZL49) for particulate removal in pneumatic tool supply
Air compressor maintenance — SPEEDAIRE Furnas to Condor P/S Kit (33MH82) for pressure switch conversion on reciprocating compressors
Pneumatic control systems — SPEEDAIRE check valves (810RC7) to prevent backflow in instrument air lines
Air tool repair — SPEEDAIRE internal gears (45P349) and O-rings (42VA60) for rebuilding impact wrenches and grinders
Heavy-duty industrial air preparation — SPEEDAIRE heavy-duty filters (4ZL12) with metal bowls for high-flow, high-pressure applications up to 250 psi
Air motor servicing — SPEEDAIRE repair kits (22XJ91) for maintaining pneumatic gearmotors in conveyor systems

SPEEDAIRE Products

3G Electric supplies SPEEDAIRE global-style high-flow 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SPEEDAIRE

View all SPEEDAIRE parts
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Push-to-Connect (MPN 30E576). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Push-to-Connect (MPN 30E576). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Push-to-Connect (MPN 30E570). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Thread Size: 1/4" -18; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Push-to-Connect (MPN 30E570). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Thread Size: 1/4" -18; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Push-to-Connect (MPN 30E574). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Thread Size: 1/4" -18; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Push-to-Connect (MPN 30E574). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Thread Size: 1/4" -18; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE Quick Connect Hose Coupling: 1/2 in Body Size, 1/2 in Hose Fitting Size, Push-to-Connect (MPN 30E573). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Thread Size: 1/2" -14; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE
SPEEDAIRE Quick Connect Hose Coupling: 1/2 in Body Size, 1/2 in Hose Fitting Size, Push-to-Connect (MPN 30E573). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Thread Size: 1/2" -14; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Push-to-Connect (MPN 30E571). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Thread Size: 3/8"-18; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Push-to-Connect (MPN 30E571). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Thread Size: 3/8"-18; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/2 in Hose Fitting Size, Push-to-Connect (MPN 30E577). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Coupling Locking Type: Push-to-Connect.
SPEEDAIRE
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/2 in Hose Fitting Size, Push-to-Connect (MPN 30E577). Key specifications — Brand: SPEEDAIRE; Includes Valve: Yes; Coupling Locking Type: Push-to-Connect.