The GRACO 169643 STEM, VALVE AIR is a replacement air valve stem designed for use in GRACO air spray trigger guns and similar equipment. It is typically constructed from durable materials such as steel or stainless steel, and is engineered to control the flow of air within the spray system, ensuring reliable operation and precise air delivery for spraying applications.

Key Features:

• Air valve stem
• Steel or stainless steel (exact material may vary; see manual for specific model)
• Designed for GRACO air spray trigger guns and compatible equipment (e.g., STX Air Spray Trigger Gun)
• Durable construction for long service life
• Precision-engineered for reliable air control
• Ease of maintenance and replacement
• Designed for use in high-duty cycle environments

Applications:
Used in industrial and commercial spray finishing equipment, including air spray trigger guns for painting, coating, and finishing applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment. Non-genuine parts may compromise system integrity and void warranties.
• Always shut off and depressurize the system before replacing the air valve stem.
• Refer to the GRACO equipment manual for specific disassembly and reassembly instructions.
• Inspect O-rings and gaskets for wear and replace as necessary during installation.
• Ensure proper alignment and seating of the stem to prevent air leaks.
• Test the system for leaks and proper operation after installation.