GRACO O-Ring Packing (166238) - (SKU: 166238) Using genuine GRACO parts like

Using genuine GRACO parts like the 20A198 ensures compatibility

The valve is intended to control the flow or direction of fluids and viscous materials in commercial and industrial applications

Regularly inspect switch seats for wear or corrosion

Max air input pressure: 7 bar (0

2" NPT (or BSPT

GRACO O-Ring Packing (166238) - (SKU: 166238) Using genuine GRACO parts likeThe GRACO O Ring Packing (166238) is a sealing component designed to prevent leaks and ensure reliable operation within GRACO fluid handling equipment. The material is not specified for this part number in available sources, but similar GRACO O ring packings are commonly made from nitrile, PTFE, or other elastomers. Its intended use is to provide a secure seal in pumps, spray guns, or other GRACO equipment where fluid containment is critical. Key