Back-up seal washer engineered to support packing assemblies and maintain reliable sealing performance in Graco displacement pumps.
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| Machine / Pump System | Compatibility Details |
|---|---|
| Graco Check-Mate 800 Displacement Pumps | Used within throat packing and seal assemblies on compatible Check-Mate 800 pump configurations. |
| 24W150 Displacement Pump Assemblies | Functions as a back-up washer supporting seal and packing components. |
| 24W151 Displacement Pump Assemblies | Installed within the throat repair and packing system for seal support. |
| Throat Repair Kits 24V752 and 24V753 | Included as part of the seal repair kit assemblies used during pump maintenance. |
| Check-Mate Pump Systems Using Kits 241782 and 253545 | Compatible with designated throat packing repair configurations. |
The Graco 19Y496 Washer, Seal, Back-Up is a precision-engineered OEM sealing support component used within Graco displacement pump packing assemblies. It provides structural support behind sealing elements to help maintain proper packing alignment, sealing performance, and pump efficiency during operation.
Installed within throat packing and repair kit assemblies, this back-up washer helps reduce seal deformation under pressure while supporting reliable fluid containment in demanding industrial pumping applications. It is commonly found in Check-Mate 800 displacement pump systems and associated repair kits.
The 19Y496 back-up washer is used in industrial fluid transfer, adhesive processing, sealant delivery, coating, and finishing systems where displacement pumps require reliable packing support and leak-resistant sealing performance. It plays an important role during pump rebuilds and preventive maintenance procedures.
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