Parker 6125-16 Hydraulic Wing Nut Coupler 1 in 3000 Psi Brass

Product Description

The PARKER 6125-16 is a straight-body hydraulic hose wing nut coupler designed for high-pressure fluid transfer applications. Built from brass with NPTF threaded connections, it provides a leak-resistant seal in demanding hydraulic systems. The coupler is rated to 3,000 psi maximum working pressure and handles temperatures from -40 degrees F to 250 degrees F. It features a 1-inch hose size and 1-inch thread size, making it a direct-fit component for 1-inch hydraulic line assemblies. Licensed hydraulic and fluid-power technicians install this coupler as part of hose-end assemblies on mobile and stationary equipment.

The PARKER 6125-16 is part of the 6100 series and is suited for use on dump trailers, engine test stands, oil field equipment, and submersible pump installations. The wing nut design allows for tool-free or minimal-tool hand-tightening during hose coupling and decoupling, which is useful in field service and maintenance scenarios. The straight configuration simplifies in-line hose routing where no angular offset is required.

Key Features

• 3,000 psi maximum working pressure for high-pressure hydraulic service
• Brass construction provides corrosion resistance in fluid-power environments
• NPTF threaded connection delivers a pressure-tight, dryseal fit
• Operating temperature range of -40 degrees F to 250 degrees F
• Wing nut design enables quick hand-tightening and field serviceability
• Straight body configuration for direct in-line hose assembly

Compatibility

Designed for use with dump trailers, engine test stands, oil field equipment, and submersible pumps requiring 1-inch NPTF hydraulic hose connections rated to 3,000 psi. Part of the PARKER 6100 series hydraulic coupler line.

Installation Notes

Installation should be performed by a qualified hydraulic or fluid-power technician. Depressurize and isolate the hydraulic circuit completely before disconnecting or installing any hose end fittings. NPTF threads form a dryseal connection and should be inspected for thread damage before assembly. Do not overtighten wing nut connections beyond hand-snug plus manufacturer guidance, as brass fittings can be damaged by excessive torque.

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.