Flow Parts
Check Valve Compression Spring
Check Valve Compression Spring
Stainless-steel compression spring that provides the closing force for Flow intensifier check valves, ensuring the poppet snaps shut cleanly and prevents backflow between strokes. Dimensions: 0.256 in ID × 0.300 in OD × 0.44 in length (stainless for corrosion resistance).
Related Products:
- 87K Intensifier Check Valve Maintenance Kit (012035-1)
- 87K Intensifier Check Valve Outlet Side Maintenance Kit (014885-1)
- 87K Intensifier Check Valve Seat (014388-1)
- Intensifier Check Valve Inlet Poppet (015384-1)
- 87K Intensifier Check Valve Outlet Poppet (011309-1)
Service tip: replace the spring any time you see check valve chatter, slow pressure recovery, or after a major over-pressure event. Always inspect the poppet and seat together to maintain a perfect sealing couple.

Software & Applications Support
Whether you need remote assistance or hands-on support, our application specialists can help improve cut quality, reduce waste, and make your operation more efficient. Visit our Technical Services page to request a consultation and get expert support for your project.
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.