Graco 25D172 Kit, Repair, Thrt, Ptfe/Pe (090)

The Graco 25D172 Kit, Repair, Throat, PTFE/PE (090) is a genuine OEM repair kit designed for servicing 90 cc Xtreme® displacement pump lowers. It replaces worn throat packings to restore proper sealing performance, minimize leakage, and help maintain consistent pump operation in demanding industrial coating and fluid handling applications.

Compatible Machines

• Graco XP70 Proportioner (90 cc Xtreme® Lower)
• Graco XP70-hf Proportioner (90 cc Xtreme® Lower)
• Graco XP50 Proportioner models equipped with a 90 cc Xtreme® Lower
• Graco XM Plural-Component Systems using a 90 cc Xtreme® Pump
• Graco 90 cc Xtreme® Standalone Pump Lower Assemblies
• 90 cc Xtreme® Lower Pump models with L___C0, L___C7, and L___C9 prefixes

Product Overview

The Graco 25D172 Kit, Repair, Throat, PTFE/PE (090) contains the essential throat packing components needed to rebuild the upper sealing section of compatible 90 cc Xtreme® displacement pumps. Using a combination of PTFE and UHMWPE (PE) packings, the kit provides excellent wear resistance, reliable sealing, and long service life when handling industrial coatings, adhesives, sealants, and other compatible materials.

Features & Benefits

Typical Kit Contents

Depending on the pump configuration, the repair kit generally includes the primary components required to service the throat section of the pump.

• PTFE V-packings
• UHMWPE (PE) V-packings
• Male packing gland
• Female packing gland
• Wave spring
• Required throat sealing components

Why Replace the Throat Packings?

Throat packings naturally wear over time due to continuous pump cycling and exposure to abrasive materials. Replacing them with the Graco 25D172 Kit, Repair, Throat, PTFE/PE (090) helps prevent fluid leakage, maintains proper sealing around the displacement rod, reduces downtime, and supports reliable production performance.

Technical Information

Frequently Asked Questions