Pump Parts: Seals/Rings
Flow Parts
1/4" ID Dynamic Seal Plunger
1/4" ID Dynamic Seal Plunger
Part:006747-1
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The primary high pressure seal in Flow’s 40k psi Husky intensifier rod packs. Tough HDS White PTFE flexes under load to hug the ¼ inch ceramic plunger, holding a bubble tight seal.
Related Products:
- Direct Drive Seal Carrier (013517-1) — precision pocket that houses the dynamic seal.
- Direct Drive Seal Carrier Back Up Ring (008612-1) — rigid ring that supports the HDS seal against extrusion.
- Rod Seal Nitrile 5⁄16 ID × 9⁄16 OD (A-00720-31) — installs behind the dynamic seal to keep oil out of the water end.
- U-Cup Seal ¾ in ID × 1 in OD (A-10654) — completes the three seal stack in the Husky rod-pack.
- Husky 40K Minor Maintenance Kit (406017)
Service tip: always fit a fresh back up ring and lightly oil the plunger when installing seal 006747-1. Replace at the first hint of rod pack weepage to keep the intensifier delivering full rated pressure.
The OEM Difference
No one tests like Flow. Flow OEM parts deliver unmatched precision, durability, and safety. Every component is engineered to outperform and outlast the rest.