Cast Iron Pump Diffuser
Product Name: pump diffuser
Material: grey iron/ ductile iron;
Weight Scope: 0.2-1800kg
Production Technology: Auto molding line; Lost Foam molding line; Joint Squeezer；Shell molding；Resin sand
Machining: customized
Surface treatment: anti-rust oil; primer painting; cataphoresis; powder coating; zinc plating
Quality Control:ISO9001
Description
Our Casting Iron Pump Diffusers are designed to optimize pump performance by efficiently converting velocity energy into pressure while guiding fluid flow within the pump housing. Manufactured from high-quality gray iron, ductile iron, and other custom alloys, our diffusers offer strength, stability, and long service life under various working conditions. With over 20 years of experience, we provide reliable, performance-driven casting solutions to customers worldwide.
Material Grades & Properties
1. Gray Iron (ASTM A48)
Grades
Class 30, 35, 40
Features
Excellent castability, damping capacity, and good wear resistance
Typical Composition (%)
Carbon 3.0–3.5, Silicon 1.8–2.5, Manganese 0.5–1.0, P ≤ 0.15, S ≤ 0.12
2. Ductile Iron (ASTM A536)
Grades
60-40-18, 65-45-12, 80-55-06
Features
High tensile strength, elongation, and impact resistance
Typical Composition (%)
Carbon 3.5–3.8, Silicon 2.2–2.8, Manganese 0.2–0.5, Magnesium 0.03–0.05
Application Fields
Commonly used in:
Product Advantages
Excellent Mechanical Strength
Withstands dynamic stress and high internal pressure
High Dimensional Accuracy
Ensures tight fit and smooth flow transition
Corrosion & Wear Resistance
Suitable for both clean and lightly abrasive fluids
Customizable Designs
Available in a variety of shapes and sizes based on application needs
Manufacturing Process
We utilize sand casting, resin sand molding, and other advanced foundry techniques to produce high-integrity components. Each diffuser undergoes strict quality inspection, including chemical analysis, dimensional checks, and surface testing.
Company Strength
Certified to ISO 9001:2015, our company is supported by a skilled engineering team and an independent inspection department, ensuring consistent product quality and reliable global delivery.
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