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1-1/4 Wing Style Cplr, 1-1/4 NPTF Brass

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Description & Features

Manufactured in brass, this 1-1/4 wing style coupling features a 1-1/4 NPTF male thread connection and is designed for use in industrial fluid transfer applications where a secure, hand-tightened connection is needed. The wing-style design allows for quick engagement and release without tools, making it well suited for maintenance-intensive environments. Dixon Valve & Co produces this coupling to consistent dimensional standards for reliable field performance.

The NPTF thread form provides a pressure-tight mechanical seal on assembly, distinguishing it from standard NPT fittings. Brass construction offers good corrosion resistance in a range of fluid media and is a common material choice for coupling bodies in hydraulic and pneumatic service lines.

SKU: 10WF10-B

Supplier Part Number (MPN): 10WF10-B

Specifications

Brand
DIXON
Connection Size 1
1-1/4 in
Connection Size 2
1-1/4 in
Connection Type
FNPT, Quick-Disconnect
Connection Type 1
Quick Disconnect
Connection Type 2
Female NPTF
Dimensions
5.27 in OD x 3.64 in L
Fitting Type
Coupler
Material
Brass
Material Construction
Brass
Maximum Operating Pressure
3000 psi
Operating Temperature
-40 to 250 deg F
Series
W Series
Thread Size
1-1/4-11-1/2

Product Questions & Answers (1)

Question by: Clint G on Dec 20, 2025, 11:38 AM
Will this fitting work with regular NPT threads, or does it need to be NPTF specifically?
Answer by: Customer Support on Dec 22, 2025, 6:30 AM
The NPTF, or National Pipe Taper Fuel, threads are designed to create a pressure-tight seal when assembled, which is different from standard NPT threads. So, you'll want to make sure you're using NPTF threads with this coupling.

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