Jinan Homa Machinery Co., Ltd. proudly stands as a beacon of outstanding precision and exceptional craftsmanship within the iron foundry industry. Setting an unparalleled standard of excellence, we are recognized for our industry-leading expertise and commitment to quality.
At the heart of our operations is an unwavering dedication to quality. We handpick only the finest raw materials, ensuring that excellence is the hallmark of every stage of our production process. With continuous and rigorous quality inspections, we guarantee that our products surpass expectations.
With a rich reservoir of experience, unrivaled production capabilities, and a strong focus on eco-friendly practices, we distinguish ourselves as a preeminent authority in the iron foundry sector, setting new benchmarks in sustainable manufacturing.
Our expansive factory, sprawling over 80,000 square meters, is equipped with modern workshops and state-of-the-art machinery. Our advanced furnaces and precision casting machines are engineered to handle a diverse range of orders, ensuring impeccable accuracy and efficiency.
We offer an extensive array of cast-iron products, catering to a wide spectrum of applications. From essential construction materials like drainage gratings and manhole covers to intricate machinery components such as transmission wheels and engine parts, our versatile range includes water pump housings and umbrella bases. Our exceptional capability for customization allows us to meet specific material, size, shape, and performance requirements with precision.
At the core of our values are quality and environmental responsibility. With ISO 9001, ISO 14001, and ISO 45001 certifications, we begin with premium, eco-friendly raw materials and maintain strict control over production processes to minimize waste and emissions. Our advanced inspections ensure that our products exceed industry standards while achieving the lowest possible environmental impact.
Our dedicated team provides a comprehensive range of services, including pre-sale consultation and support, real-time updates on order status during sales, and warranties with prompt post-sales feedback. These services help us foster long-lasting partnerships built on trust and reliability.
Parameter |
Details |
Material |
Gray cast iron (HT250) |
Outer diameter |
200 - 500 mm (depending on the pump model) |
Inner diameter (hub) |
50 - 150 mm |
Blade number |
4 - 8 |
Blade thickness |
5 - 15 mm |
Blade shape |
Backward - curved or radial |
Blade angle (relative to the tangent of the rotation circle) |
20 - 40 degrees |
Surface roughness (Ra) |
1.6 - 6.3 μm |
Weight |
5 - 20 kg |
Maximum rotational speed |
1000 - 3000 rpm |
Tolerance of outer diameter |
± 0.5 - ± 2 mm |
Tolerance of inner diameter |
± 0.3 - ± 1 mm |
Tolerance of blade thickness |
± 0.2 - ± 1 mm |
Balance grade |
G2.5 - G6.3 |
Maximum working temperature |
- 20 - 200 °C |
Why should you choose us? Discover the compelling reasons that set us apart as the ultimate choice in the industry!
Premium Quality Materials
We meticulously select superior cast iron materials, ensuring that our impellers boast exceptional strength and durability. This rigorous selection process guarantees resistance to wear and corrosion, even in prolonged aquatic environments.
State-of-the-Art Casting Technology
Utilizing cutting-edge casting equipment and techniques, we maintain precise control over our casting process. This precision allows us to produce impellers with exact dimensions and smooth finishes, minimizing the need for extensive post-processing and optimizing performance.
Expert Workforce
Our team consists of highly skilled and experienced professionals who excel in casting operations. Their extensive knowledge in water pump impeller production—from mold design to casting and quality assurance—ensures the highest standards of quality for every impeller we produce.
Meticulous Quality Assurance
Our rigorous quality control system subjects each water pump impeller to a series of stringent inspections, including dimensional accuracy, material quality, and performance testing. This thorough process ensures that only the highest caliber products are delivered to our customers.