Slurry Pump Frame Plate Liner and Cover Plate Liner

The Frame Plate Liner and Cover Plate Liner are two of the most important wet-end wear parts in a slurry pump. Commonly referred to as the rear liner and front liner, these components form the internal casing surfaces that are in direct contact with abrasive slurry. They protect the pump casing from wear, maintain hydraulic efficiency, and provide a replaceable sacrificial layer that significantly reduces maintenance costs.

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Product Details

At CNSME Pump, we manufacture high-performance Frame Plate Liner and Cover Plate Liner fully interchangeable with Weir Warman designs. Available in high-chrome white iron, natural rubber, and specialized elastomers, these liners are engineered for mining, mineral processing, power generation, and dredging applications.

What Are Frame Plate Liner and Cover Plate Liner?

Name: Slurry Pump Frame Plate Liner and Cover Plate Liner
Availability: InStock
Rating: 4.5 (89 reviews)

In a horizontal slurry pump, the pump casing is divided into two main sections:

Frame Plate Liner: Installed on the frame side of the pump.
Cover Plate Liner: Installed on the suction or cover side of the pump.

Together with the throatbush and impeller, these liners create the pump’s hydraulic chamber and provide wear-resistant protection against highly abrasive slurries.

Main Functions

Wear Protection

The liners shield the outer casing from direct contact with slurry, preventing expensive structural damage.

Hydraulic Performance

Their precision-engineered profiles maintain the designed flow passage and pump efficiency.

Easy Maintenance

Because they are replaceable wear parts, only the liners need to be changed when worn, rather than the entire casing.

Material Flexibility

Different materials can be selected according to particle size, pH, and operating temperature.

Common Materials

High Chrome White Iron (A05, A07, A49)

Hardness up to HRC 58–65
Excellent abrasion resistance
Suitable for mining and sand applications

Natural Rubber (R55)

Superior impact resistance
Ideal for fine and sharp particles

Polyurethane

Good balance of wear and corrosion resistance
Structural Characteristics
- Precision-cast wear surfaces
- CNC-machined mounting faces
- Interchangeable with Warman standards
- Optimized internal hydraulic geometry
- Long service life in severe conditions
  Why Choose CNSME Pump?
  As a specialized slurry pump manufacturer in China, CNSME supplies high-quality wear parts to customers worldwide. Our front and rear liners are engineered to maximize wear life and reduce total ownership costs in demanding industrial applications.
  Email: sales@cnsmepump.com

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