Long-Term Overpressure
Plastic creep develops under sustained overload.
Problems · Troubleshooting
Why Filter Plates Warp & Deform
Symptoms · Root Causes · Proven SolutionsPlastic filter plates arch and lose flatness after long high-pressure service, preventing tight sealing and accelerating wear on nearby components.
What Is Happening?
Plastic filter plates arch and lose flatness after long high-pressure service, preventing tight sealing and accelerating wear on nearby components.
Common Symptoms
- Plates arch and cannot fit closely when stacked
- Leakage returns after cloth and gasket replacement
- Plates become difficult to separate during discharge
- Adjacent components show uneven wear
4 Root Causes
Hot Slurry
Local overheating softens the plate material.
Uneven Cake Formation
Persistent stress imbalance bends the plate.
Poor Raw Material
Recycled plastic lacks the required rigidity and stability.
3 Recommended Actions
Operate Within Rating
Avoid prolonged overpressure holding.
Use Virgin Reinforced PP
Select high-strength anti-warping plate formulations.
Replace Warped Plates
Act promptly to prevent chain damage across the plate stack.
Products for This Working Condition
Filter Plate
Polypropylene (PP) Filter Plate
One-piece modified PP plate combining corrosion resistance, toughness and pressure resistance.
View Product
Filter Plate
Polyethylene (PE) Filter Plate
HDPE filter plate with strong wear, impact and corrosion resistance and a low-adhesion surface.
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