Description
JLB8073 Rubber Impeller for Seawater Pumps
Product Performance
- Exceptional lifespan: Over 2,000 hours of continuous operation in turbid seawater with no leakage or damage.
- Stable flow: Maintains a displacement of 185–200L/min and lift of ≥100–150KPa throughout its life cycle.
- Efficient self-priming: Achieves a self-priming height of ≥2 meters within 30 seconds.
- Marine-grade quality: Certified by China Classification Society (CCS) for ship and offshore use.
Basic Properties of Rubber Impeller
| Item | Specification |
|---|---|
| Product Name | Rubber Impeller (NBR) |
| Model | JLB8073-100-I12 |
| Material | Nitrile Rubber (NBR) |
| Outer Diameter | Ø76 mm |
| Hub Outer Diameter | Ø49.5 mm |
| Inner Bore Diameter | Ø20 mm (with keyway) |
| Overall Width | 52.5 ± 0.8 mm |
| Number of Vanes | 12 |
| Vane Thickness at Root | 6 mm |
| Vane Height | 12.5 mm |
| Other Key Diameters | Ø44 mm, Ø39.5 mm, Ø29 mm |
Laboratory & Performance Testing
- Compression Deformation Test
- Low Temperature Brittleness Test
- Tensile Strength Test
- Destructive Testing: Strong bonding after repeated testing.
- Oven Test: Tensile test after 98°C sea water aging, excellent performance.
- Proven Durability: Withstands 2,000+ hours of continuous operation in turbid seawater.
Technical Requirements
| Property | Value |
|---|---|
| Hardness (Shore A) | 75 – 80 |
| Tensile Strength | > 11 MPa |
| Elongation at Break | > 220% |
| Tear Strength | > 30 kN/m |
| Permanent Deformation | < 35% (at 100°C × 24h) |
| Service Temperature | ≥ –35°C |
| Surface Quality | Smooth, glossy, no cracks, no flash |
| Fit with Shaft | Tight fit, no slip |
Product Advantages
- Custom rubber compound with outstanding seawater, oil, and chemical resistance.
- High mechanical strength, elasticity, and flexibility for efficient pump operation.
- Low permanent deformation and high abrasion resistance ensure long service life.
- Exclusive formula and manufacturing process, patent pending (No. 03232104.X).
- Suitable for OEM, marine, and industrial applications, especially where reliable, continuous operation is critical.
Main Applications
- Marine and ship seawater pumps
- Ballast water transfer
- Cooling systems
- Industrial and chemical fluid transfer
- Applications demanding superior corrosion and abrasion resistance
Application Fields
- Marine and shipbuilding: Seawater pumps, ballast transfer, cooling systems, desalination
- Industrial fluid handling: Chemical transfer, wastewater treatment, process pumps
- OEM machinery: Used by leading diesel engine and marine pump manufacturers
Why Choose Julong JLB8073 Rubber Impeller?
- Over 2,000 hours proven durability in real-world conditions
- Customized material and dimension options available
- Trusted by major industry leaders with global delivery and support
