Product Overview
Reliable custom rubber parts for industrial applications
Quick Answer
This 58mm rubber impeller has a black flexible vane body, 32mm height and 18mm central bore area with a visible metal insert. It is designed for pump assemblies and industrial fluid handling applications. Blade profile, insert structure, rubber compound, Shore A hardness, tolerance and packaging can be customized according to drawings or samples.
Rubber Impellers — Flexible Pump Components for Marine, Water, Slurry, and Industrial Applications
Product Overview
Rubber impellers are flexible rotating pump components used to move fluid by generating pressure and flow through high-speed rotation. They are widely used in marine water pumps, clean water systems, slurry handling equipment, sewage pumps, chemical transfer pumps, and other fluid systems where corrosion resistance, abrasion resistance, and quiet operation are important. Ningbo Julong Rubber manufactures standard and custom rubber impellers in NR, NBR, EPDM, Neoprene, Silicone, FKM, and other engineered compounds for OEM, aftermarket, and industrial supply programs.
This 58mm rubber impeller is a flexible molded pump component with a black vane body and a central metal insert. The product has a 58mm outer diameter, 32mm height and 18mm central bore area as shown. It is designed for pump assemblies where flexible blades support liquid movement, suction and fluid transfer performance.
What Is a Rubber Impeller?
A rubber impeller is the rotating part inside a pump that accelerates fluid outward to generate flow and pressure. Compared with metal impellers, rubber impellers offer flexibility, vibration damping, quieter operation, and better wear performance in certain abrasive or corrosive fluid conditions. They are especially suitable for pumps that handle clean water, seawater, slurry, or dirty fluids where easy replacement and lower noise are valuable.
Key Features
| Parameter | Value / Range |
|---|---|
| Material Options | NR, NBR, EPDM, CR (Neoprene), Silicone, FKM, custom compounds |
| Outer Diameter | 58 mm |
| Bore Diameter | 18 mm |
| Overall Height | 32 mm |
| Hardness | 30–95 Shore A |
| Temperature Range | -40°C to +300°C depending on compound |
| Impeller Type | Flexible, semi-open, closed, open, custom blade profile pumpmfr+1 |
| Application Media | Sea water, fresh water, slurry, sewage, chemicals, dirty water pumpmfr+1 |
| Tolerance | Tight dimensional control for shaft fit and vane geometry |
| Certification | ISO 9001 / IATF 16949 capable |
| MOQ | Prototype samples available; low MOQ for standard parts |
Size / Dimensions
| Dimension Item | Specification |
|---|---|
| Outer Diameter (OD) | 58mm |
| Height | 32mm |
| Central Bore Area | 18mm |
| Blade Quantity | Available upon request |
| Blade Thickness | Available upon request |
| Hub Structure | Metal insert, exact structure available upon request |
| Shaft Connection | Available according to drawing or sample |
| Dimensional Tolerance | Available upon request |
Material Selection Guide
| Material | Key Properties | Best Use |
|---|---|---|
| NR (Natural Rubber) | Excellent elasticity, wear resistance, good fatigue life | Water pumps, marine impellers, clean and slightly abrasive media |
| NBR | Excellent oil resistance, good abrasion resistance | Oil-contaminated fluids, industrial pumps |
| EPDM | Excellent weathering, ozone, water, and steam resistance | Fresh water, seawater, outdoor pump systems |
| CR (Neoprene) | Good oil, ozone, and weather resistance | Marine and general-purpose pump use |
| Silicone | High-temperature resistance | High-heat specialty applications |
| FKM | Chemical and oil resistance | Aggressive chemical media |
| Custom Compounds | Tuned wear, corrosion, and temperature performance | OEM-specific pump programs |
Product Types
Marine Rubber Impellers
Marine impellers are used in seawater and raw-water pumps for boats, outboard engines, inboard engines, and marine cooling systems. These impellers are typically made from Neoprene or specialized rubber compounds to resist seawater, corrosion, and long-term fatigue.
Slurry Pump Rubber Impellers
Designed for abrasive and corrosive slurry applications, these impellers are commonly used in mineral processing, power plant desulfurization, and chemical handling. They are optimized for handling fine solid particles with minimal wear and noise.
Water Pump Rubber Impellers
Used in freshwater circulation, sewage, drainage, and industrial pumping systems, these impellers are valued for their smooth operation, easy replacement, and low noise. They are also widely adopted in boating and small-engine cooling systems.
Custom OEM Impellers
We also produce custom impellers matched to OEM drawings or sample parts, including special blade count, hub structure, outer diameter, shaft bore, and vane geometry.
Product Advantages
- Excellent flexibility: Rubber impellers absorb impact and deformation better than rigid alternatives.
- Low noise and vibration: Flexible rubber reduces mechanical noise during pump operation.
- Wear resistance: Suitable for fine-particle slurry and abrasive water service.
- Corrosion resistance: Effective in seawater, chemicals, and corrosive fluid applications.
- Easy replacement: Simple maintenance and reduced downtime.
- Cost-effective: Lower replacement cost than metal impellers in many applications.
Applications
- Rubber impellers are used across a wide range of industries:
- Commercial and OEM pump assemblies
- Marine water pumps and boat cooling systems
- Freshwater pumps
- Slurry pumps for mining and mineral processing
- Sewage and wastewater pumps
- Chemical transfer pumps
- Power plant desulfurization systems
- Industrial circulation pumps
- Agricultural and irrigation equipment
Customization Capabilities
Julong Rubber can customize rubber impellers with:
- Blade count and blade geometry
- Outer diameter and hub diameter
- Shaft fit and keyway details
- Closed, semi-open, or open structure
- Material compound selection
- Hardness adjustment
- Color and branding
- Performance tuning for wear, corrosion, or temperature
Why Source from Julong Rubber?
- ISO 9001 / IATF 16949 capable manufacturing
- Custom compounding capability
- OEM drawing or sample reverse engineering
- Low MOQ for development and aftermarket
- Marine, pump, and industrial application experience
- Stable quality and dimensional consistency
- English technical support and fast quotation response
FAQ
What is this 58mm rubber impeller used for?
This 58mm rubber impeller is used in pump assemblies where flexible blades help move compatible liquids through suction and discharge flow. It can be reviewed for water transfer, coolant circulation, marine pump service and other fluid handling applications depending on the rubber compound and pump design.
Can the metal insert be customized?
Yes. The insert structure can be reviewed according to the shaft design, bore size, spline, keyway, D-hole or other connection requirements. Buyers should provide a drawing or sample so the insert geometry and bonding structure can be checked accurately.
How should buyers select the rubber material?
Rubber material selection depends on liquid media, temperature, rotation speed, chemical exposure, oil contact and dry-running risk. Buyers should provide the exact working liquid and operating conditions before material confirmation. Material selection depends on the application conditions.
Can this impeller be made from a physical sample?
Yes. A physical sample can be used for reverse engineering when the original drawing is unavailable. However, it is still important to confirm the critical dimensions, shaft connection, pump chamber clearance, rotation direction and liquid media before production.
Is tooling required for this rubber impeller?
Tooling is usually required for molded rubber impellers with custom blade profiles and metal insert structures. Tooling cost depends on the drawing, dimensions, blade geometry, insert design and production quantity. Prototype samples can be reviewed before batch production.
Are samples available before bulk production?
Samples are available upon request. Sample preparation depends on the impeller size, rubber compound, hardness, insert structure, tooling status and inspection requirements. Please provide a drawing, 3D model or sample for technical review.
Request a Custom Quote
Send your rubber impeller drawing, pump assembly drawing, 3D model or physical sample for review. Please include the 58mm OD requirement, height, bore size, blade profile, insert structure, material, hardness, liquid media, speed, rotation direction, quantity and documentation requirements.