The GRACO 189728 Nut, Packing is a stainless steel nut designed for use as the packing nut on the intake valve of GRACO equipment. Its primary function is to secure and seal the packing within the intake valve assembly, ensuring reliable operation and preventing leaks in fluid handling systems.

Key Features:

• Nut, Packing
• Stainless steel
• Designed for GRACO intake valve assemblies in warm melt supply units and similar equipment
• Durable stainless steel construction for corrosion resistance
• Precision fit for reliable sealing
• Ease of maintenance and replacement

Applications:
Used in GRACO warm melt supply units and other fluid handling equipment where intake valve packing needs to be secured and sealed.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and longevity of the equipment, reducing the risk of leaks and downtime.
• Ensure the equipment is depressurized and cooled before installation
• Clean the valve assembly area before installing the new packing nut
• Tighten the nut to the manufacturer's recommended torque to avoid over-tightening or under-tightening
• Inspect the packing and nut regularly for wear and replace as needed