GRACO High Capacity Fill Coupler - 1/4 inch QD Female by 1/4 inch NPT Female - (SKU: 121474)The GRACO 121474 is a high capacity fill coupler designed for use with G Series pumps. It is constructed from steel with a zinc finish, intended for transferring oil and grease in on road and off road vehicle and equipment lubrication systems. Key Features: Coupling 1 4 inch QD Female by 1 4 inch NPT Female Steel with zinc coating Maximum working pressure: 3700 psi (259 bar, 25900 kPa) For use with G Series Pumps; compatible with oil and grease Quick

generating the necessary pressure to dispense materials effectively

Secure and reliable reservoir with cover

Follow manufacturer guidelines for installation and removal to prevent damage

Follow manufacturer torque specifications if provided

Check for secure attachment and alignment before use

helping to protect downstream components and maintain equipment performance

designed for use with Silver Plus HP Airless Spray Gun and Xtreme-Duty Airless Hoses

Inspect for damage or wear before use

supporting advanced automation and monitoring in industrial fluid handling applications

Its intended use is to provide a reliable and ergonomic handle assembly for siphon feed spray guns

Available in pneumatic or hydraulic motor options

Regularly inspect the cover and coupling for signs of wear or damage as part of routine maintenance