Rubber Slurry Pump Frame Plate Liner

Product Introduction

The rubber slurry pump frame plate liner is a replaceable wet-end liner used on the frame plate side of compatible rubber-lined centrifugal slurry pumps. It forms part of the internal pump chamber and is directly exposed to the pumped slurry.

In slurry pump parts terminology, the frame plate liner may also be referred to as a back liner because of its position on the drive-side or rear side of the pump wet end. Industry parts documentation identifies rubber frame plate liners as major wetted components in rubber-lined slurry pumps.

The frame plate liner works with the corresponding cover plate liner and other compatible wet-end components to form the internal liner arrangement. Because it is directly exposed to abrasive and potentially corrosive slurry, its material and dimensions should be selected according to the actual pump configuration and operating conditions.

Longteng manufactures rubber frame plate liners for mining, mineral processing, tailings handling, coal preparation and other industrial slurry applications. Replacement liners can be supplied according to pump models, part numbers, drawings, dimensions, specifications or available samples.

Function of a Rubber Frame Plate Liner

The frame plate liner forms the internal liner surface on the frame plate side of compatible rubber-lined slurry pumps.

Its main functions include:

• Forming part of the internal wetted pump chamber
• Providing a replaceable surface directly exposed to abrasive slurry
• Separating the slurry from the outer frame plate in lined pump designs
• Working with the cover plate liner and other wet-end components to form the internal liner arrangement
• Providing wear and corrosion resistance according to the selected elastomer and operating conditions

Unlike the outer frame plate, the frame plate liner is intended to function as a replaceable wetted component.

Frame Plate Liner vs. Frame Plate

These two components should not be confused.

The frame plate is part of the outer pump casing and provides structural support.

The frame plate liner is installed inside the frame plate in compatible lined pump designs and forms part of the wetted surface directly exposed to the slurry. Industry descriptions make this distinction explicitly.

Therefore:

Frame Plate → outer casing / structural component
Frame Plate Liner → internal replaceable wetted liner

This distinction is important when identifying replacement parts.

Frame Plate Liner vs. Cover Plate Liner

The frame plate liner and cover plate liner perform related liner functions but are installed on opposite sides of the pump wet end.

The frame plate liner forms the liner surface on the frame plate or drive side, while the Cover Plate Liner forms the corresponding liner surface on the cover plate side.

Together with other compatible wet-end components, these liners form the internal chamber through which the slurry passes. Rubber-lined pump documentation commonly identifies the frame plate liner and cover plate liner as separate replaceable liner components.

Product Features

Rubber Wetted Liner

The frame plate liner is directly exposed to slurry and functions as part of the replaceable wet-end liner system.

Natural and Synthetic Rubber Options

Natural rubber and suitable synthetic elastomers can be used according to slurry characteristics and operating conditions. Industry frame plate liner specifications list natural rubber, synthetic rubber and other elastomer options.

Replaceable Liner Design

The liner can be replaced as part of wet-end maintenance without treating the outer frame plate as the primary wear component.

Model-Specific Configuration

Frame plate liner dimensions and profiles vary according to pump model and wet-end configuration. Correct component identification is therefore important when sourcing a replacement.

Replacement Manufacturing Capability

Longteng can review replacement rubber frame plate liner requirements according to pump models, part numbers, drawings, dimensions, specifications or available samples.

Rubber Material Options

The appropriate rubber material depends on both the pumped slurry and operating environment.

Important selection factors include:

• Particle size and shape
• Slurry abrasiveness
• Solids concentration
• Chemical composition
• pH conditions
• Operating temperature
• Existing liner material
• Previous wear performance
• Pump configuration

Natural Rubber

Natural rubber is widely used for slurry pump frame plate liners because of its resilience and erosion resistance under suitable operating conditions. Industry product specifications commonly list natural rubber for frame plate liners used with fine-particle abrasive slurry.

Synthetic Elastomers

Synthetic elastomers can be considered where different chemical or environmental resistance characteristics are required.

Industry rubber slurry pump parts are available in materials including EPDM, nitrile and other synthetic elastomers, but the suitability of each material depends on the specific service conditions.

Final rubber material selection should be confirmed according to the actual slurry composition, particle characteristics, chemical environment, temperature and pump requirements.

When Is a Rubber Frame Plate Liner Suitable?

Rubber frame plate liners can be suitable where elastomer materials provide the required erosion and chemical resistance for the slurry being pumped.

Typical considerations include:

• Fine-particle abrasive slurry
• Slurry without severe sharp-edged cutting conditions
• Tailings and mineral processing duties
• Applications where the selected elastomer is chemically compatible with the slurry

However, the choice between rubber and metal wet-end materials should not be based on a simple “rubber vs. metal” performance ranking.

Particle size, particle shape, solids concentration, chemical environment, operating temperature and pump configuration should all be considered when selecting liner material.

Applications

Rubber slurry pump frame plate liners are used in compatible pump configurations across applications including:

Mining and Tailings

For rubber-lined pumps handling suitable ore slurry, tailings and mineral process streams.

Mineral Processing

For compatible slurry pumps operating in flotation, concentration and other mineral processing circuits.

Coal Preparation

For suitable coal washing and fine slurry transfer applications.

Industrial Slurry Handling

For slurry systems where the selected rubber material is compatible with the solids and chemical environment.

Corrosive Slurry Applications

Suitable elastomer materials may be selected for particular corrosive slurry environments according to chemical compatibility and operating conditions.

Replacement Rubber Frame Plate Liners

Correct component identification is important because frame plate liner profiles and dimensions vary between pump models and wet-end configurations.

Longteng can review replacement requirements using available information such as:

• Pump model and size
• Existing frame plate liner part number
• Customer drawing
• Key dimensions
• Photos of the existing liner
• Existing sample, if available
• Existing or required rubber material
• Slurry characteristics
• Operating temperature where relevant
• Required quantity

Where the original part number is unavailable, drawings, dimensions, photographs and an existing sample can help confirm the required component.

For customer-specific rubber component requirements, Longteng's OEM Rubber Slurry Pump Parts Manufacturer capabilities support replacement rubber parts manufacturing according to available drawings, specifications or samples.

Manufacturing and Quality Control

Longteng has more than 20 years of experience in slurry pump and slurry pump component manufacturing.

For rubber frame plate liners, the confirmed material, component profile, dimensions and mating features should correspond to the required pump configuration before production.

Inspection of replacement liners focuses on the confirmed material and dimensional requirements and compatibility with the corresponding pump wet-end arrangement.

Longteng's Rubber Slurry Pump Parts range also includes rubber cover plate liners and impellers for compatible rubber-lined slurry pump configurations.

What Information Should You Send for a Frame Plate Liner Inquiry?

To help confirm the correct rubber frame plate liner, please provide as much of the following information as available:

• Pump model and size
• Existing liner part number
• Drawing or dimensional information
• Photos of the existing component
• Existing sample, if available
• Existing or required rubber material
• Slurry type and particle characteristics
• Chemical environment where relevant
• Operating temperature where relevant
• Required quantity

If the exact rubber material is uncertain, information about the slurry and the existing liner can support technical review.

FAQ

What is a rubber slurry pump frame plate liner?

👉A rubber frame plate liner is a replaceable wetted liner installed on the frame plate side of compatible rubber-lined slurry pumps. It forms part of the internal pump chamber and is directly exposed to the slurry.

Is a frame plate liner the same as a frame plate?

👉No. The frame plate is an outer structural casing component, while the frame plate liner is an internal replaceable liner exposed to the slurry.

Is a frame plate liner also called a back liner?

👉Yes, back liner is used in the slurry pump parts industry as an alternative name for the frame plate liner based on its location on the rear or frame-plate side of the wet end.

What is the difference between a frame plate liner and a cover plate liner?

👉Both are replaceable wet-end liners. The frame plate liner is positioned on the frame plate or drive side, while the cover plate liner is positioned on the cover plate side of the pump.

What materials are used for rubber frame plate liners?

👉Natural rubber and different synthetic elastomers can be used depending on the pump configuration and operating conditions. Material selection should consider particle characteristics, slurry chemistry and temperature.

Can Longteng manufacture replacement rubber frame plate liners?

👉Yes. Longteng can review pump models, part numbers, drawings, dimensions, specifications or existing samples to confirm replacement liner requirements before manufacturing.

Send Us Your Rubber Frame Plate Liner Requirements

If you need a replacement rubber slurry pump frame plate liner, send Longteng your pump model, part number, dimensions, rubber material requirements, slurry information, photos, drawings or available sample.

Our team can review the available technical information and confirm the component requirements before production.