Stainless Steel Pump Diffuser
Product Name: pump diffuser
Material: stainless steel
Weight Scope: 0.1-1800kg
Production Technology: Silica sol investment casting; Sand casting; Shell molding
Machining: customized
Surface treatment:
Heat Treatment: solution treatment
Quality Control:ISO9001
Description
Our Stainless Steel Pump Diffusers are engineered to improve fluid dynamics within centrifugal pump systems by efficiently converting velocity into pressure and guiding fluid flow. Made through precision investment casting and sand casting, these components are ideal for demanding environments where corrosion resistance, durability, and dimensional accuracy are critical. With over 20 years of manufacturing experience, we supply high-performance components to customers across Europe, America, and Asia.
Material Grades & Properties
We offer a variety of stainless steel grades, including:
CF8 (equivalent to 304)
General-purpose corrosion resistance
CF8M (equivalent to 316)
Superior resistance to chlorides and chemicals
CD4MCu, CN7M
Specialized alloys for high-corrosion or high-strength applications
Typical Chemical Composition (%):
CF8
C ≤ 0.08, Cr 18–21, Ni 8–11
CF8M
C ≤ 0.08, Cr 18–21, Ni 9–12, Mo 2–3
CD4MCu
Cr 25–28, Ni 4–6, Cu 2–3, Mo 1–2
Application Fields
Commonly used in:
Product Advantages
Excellent Corrosion Resistance
Ideal for water, seawater, and chemical fluids
High Strength & Durability
Performs reliably under high pressure and temperature
Smooth Internal Flow Paths
Enhances pump efficiency and reduces energy loss
OEM Customization
Tailored solutions to meet your application needs
Manufacturing Process
Using investment casting for precision parts and sand casting for larger, complex shapes, we ensure high dimensional accuracy and surface finish. All products are subject to strict quality inspection, including chemical analysis, dimensional testing, and hydraulic performance checks.
Company Strength
Certified to ISO 9001:2015 since 2021, we are backed by a strong technical team and an independent inspection department, ensuring reliable product performance and long-term customer satisfaction.




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