PMC Proportioning Pump Spring (PU-05021)
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The PMC PU-05021 pump spring is the check valve spring used with the inlet ball and seat in PMC proportioning pumps.
Features
- Helps the check ball return and seat consistently
- A weak or broken spring can cause erratic pressure and poor fill
- Low-cost part worth replacing during a pump rebuild
- Genuine PMC part
Specifications
- Part number: PU-05021
- Brand: PMC
- Description: Pump spring
Compatibility
For PMC PH/PHX-series proportioning pumps, used with PU-05020 inlet ball and PU-05019 seat.
Service notes
Consider replacing related wear items at the same time to save a second teardown. Relieve fluid and hydraulic pressure and shut off power before starting any repair on the proportioner.
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