Office Line
+86-15763932413
+86-15763932413
English  |
Material: Alloy steels, Carbon Steel , Stainless steel, Malleable iron , Grey iron, Ductile iron Aluminum, Bronze etc.
Process: Lost Wax Casting & Precision casting & Investment casting.
The coordinated service (casting, machining and surface treatment) make lower price possible.
All sorts of casting can be manufactured according to customer's requirement, drawing, design or samples.
Years of experience in manufacturing and exporting.
On time delivery.
Chifine
Qingdao Chifine Machinery specializes in brass machining parts, bronze pump bodies, and brass impellers, using lost wax investment casting and CNC machining for precision. Our materials include alloy steel, carbon steel, stainless steel, malleable iron, grey iron, ductile iron, aluminum, and bronze, with compliance to ASTM, AISI, DIN, BS, JIS, NF, and AS standards. We hold TS16949 and ISO9001 certifications and implement 100% pre-delivery inspection (including SGS inspection) to ensure quality for valve and pump industry applications.
Precision Casting Processes: We use lost wax investment casting and precision casting, which ensure complex geometries (e.g., pump body internal channels, impeller blades) with smooth surfaces (Ra 12.5um) and tight tolerances (CT7-CT9). These processes minimize post-casting machining and ensure pump parts operate efficiently.
Corrosion-Resistant Material Selection: Brass and bronze materials offer excellent corrosion resistance, critical for pump bodies and impellers handling water, chemicals, or other fluids. Bronze is particularly suitable for saltwater or chemical applications, while brass provides cost-effective performance for freshwater pumps.
Comprehensive Machining Service: Post-casting CNC machining includes turning, milling, drilling, grinding, and threading. This machining ensures dimensional accuracy—for example, precise impeller blade angles to optimize fluid flow and pump efficiency, and tight pump body tolerances to prevent leakage.
Diverse Surface Treatments: Surface treatment options include powder coating, sand blasting, painting, polishing, acid pickling, anodizing, zinc plating, and hot-dip galvanizing. Acid pickling is common for pump parts, as it removes surface oxides and prepares parts for further coating or use in clean fluid applications.
Strict Quality Control: We implement a 12-step testing process, including raw material control, ultrasonic testing (for internal defects), magnetic testing (for surface cracks), leak testing (for pump bodies), and hardness testing. This ensures pump parts are leak-proof, wear-resistant, and meet performance standards.
Water treatment plants use bronze pump bodies and brass impellers with polishing and acid pickling. Polishing creates a smooth surface that prevents sediment buildup (critical for clean water transport), and acid pickling removes any surface contaminants. Bronze’s corrosion resistance ensures parts maintain hygiene and performance in water treatment processes.
Chemical pumps handle corrosive fluids; we produce stainless steel or bronze pump parts with powder coating. Stainless steel resists strong acids/bases, while bronze is suitable for mild chemicals. Powder coating adds an extra protective layer, preventing chemical erosion and extending part service life. We also ensure tight machining tolerances to prevent chemical leakage, which could cause safety hazards.
Irrigation pumps require lightweight yet durable parts; we use aluminum or brass impellers with anodizing. Aluminum’s lightweight property reduces pump energy consumption, and anodizing enhances corrosion resistance to agricultural chemicals (e.g., fertilizers). Brass impellers are recommended for high-flow irrigation systems, as they offer better wear resistance than aluminum.
Industrial pumps (e.g., for oil refineries) need high-temperature resistance; we use alloy steel impellers with heat treatment. Heat treatment enhances alloy steel’s high-temperature strength, allowing impellers to operate in oil refinery pumps that handle fluids at 200+°C. We also use hot-dip galvanizing for pump bodies to resist oil residues and environmental corrosion.
We use AutoCAD and Solidworks to refine pump body and impeller designs. Our engineering team optimizes impeller blade angles using fluid flow simulation software, improving pump efficiency by 5-10% compared to standard designs. For pump bodies, we adjust internal channel geometry to reduce fluid resistance and prevent cavitation (a common cause of pump failure).
Our quality control lab is equipped with direct-reading spectrometers to analyze material composition (ensuring brass/bronze alloy purity), three-dimensional machines to verify complex impeller geometries, tensile testing machines to evaluate material strength, and hardness test machines to check heat treatment results. These tools ensure parts meet material and performance requirements.
Our team advises on material choice based on fluid type and operating conditions. For freshwater applications (e.g., irrigation), we recommend brass (cost-effective and corrosion-resistant). For saltwater (e.g., marine pumps), we suggest bronze (superior saltwater corrosion resistance). For high-temperature industrial fluids, we recommend alloy steel (heat-resistant and strong). This guidance ensures pump parts perform optimally in their intended environment.
We combine casting, machining, and surface treatment to reduce lead times and costs for customers. This integrated service means customers don’t need to work with multiple suppliers—we handle all production steps from design to delivery, ensuring consistency in part quality and simplifying the supply chain.
We offer sample pump parts for performance testing before formal order placement. Samples are tested for flow rate (to verify pump efficiency), leak tightness (to ensure no fluid leakage), and durability (to simulate long-term use). We provide test reports to customers, helping them validate designs and make informed production decisions.
We ensure customer drawings and designs are kept confidential. All project-related documents are stored in secure systems, and only authorized personnel have access. This protects customer intellectual property—critical for customers developing new pump designs or maintaining proprietary technology in the valve and pump industry.
Process | Investment casting Precision casting Lost wax casting |
Processing Ability | Surface finishment: Ra 12.5um |
Size tolerance: CT7-CT9 | |
Weight range: 0.1-100kg | |
Material | stainless steel, carbon steel, alloy steel, heat-resistant steel, hardend steel,mild steel |
Application | Agricultural Machinery,Automotive & Railway Industry,Hydraulic Valves & Cylinders,Engineering & Construction Machinery,Municipal Machinery ,Marine Industry,Mining Machinery
|
Surface Treatment | powder coating, sand blasting, painting, polishing, acid pickling, anodizing, enamel, zinc plating, hot-dip galvanizing, electrophoresis, chrome plating. |
Standards | AISI,ATSM,UNI,BS,DIN,JIS,GB etc. |
Inspection | Direct-reading spectrometer,Metallurgical structure analysis,Three-dimensional machine,Pre-Furnace carbon and sulfur analyzer,optical projecto,Tensile testing machine,Inspection gauge,Hardness Test Machine |
Qingdao Chifine Machinery specializes in brass machining parts, bronze pump bodies, and brass impellers, using lost wax investment casting and CNC machining for precision. Our materials include alloy steel, carbon steel, stainless steel, malleable iron, grey iron, ductile iron, aluminum, and bronze, with compliance to ASTM, AISI, DIN, BS, JIS, NF, and AS standards. We hold TS16949 and ISO9001 certifications and implement 100% pre-delivery inspection (including SGS inspection) to ensure quality for valve and pump industry applications.
Precision Casting Processes: We use lost wax investment casting and precision casting, which ensure complex geometries (e.g., pump body internal channels, impeller blades) with smooth surfaces (Ra 12.5um) and tight tolerances (CT7-CT9). These processes minimize post-casting machining and ensure pump parts operate efficiently.
Corrosion-Resistant Material Selection: Brass and bronze materials offer excellent corrosion resistance, critical for pump bodies and impellers handling water, chemicals, or other fluids. Bronze is particularly suitable for saltwater or chemical applications, while brass provides cost-effective performance for freshwater pumps.
Comprehensive Machining Service: Post-casting CNC machining includes turning, milling, drilling, grinding, and threading. This machining ensures dimensional accuracy—for example, precise impeller blade angles to optimize fluid flow and pump efficiency, and tight pump body tolerances to prevent leakage.
Diverse Surface Treatments: Surface treatment options include powder coating, sand blasting, painting, polishing, acid pickling, anodizing, zinc plating, and hot-dip galvanizing. Acid pickling is common for pump parts, as it removes surface oxides and prepares parts for further coating or use in clean fluid applications.
Strict Quality Control: We implement a 12-step testing process, including raw material control, ultrasonic testing (for internal defects), magnetic testing (for surface cracks), leak testing (for pump bodies), and hardness testing. This ensures pump parts are leak-proof, wear-resistant, and meet performance standards.
Water treatment plants use bronze pump bodies and brass impellers with polishing and acid pickling. Polishing creates a smooth surface that prevents sediment buildup (critical for clean water transport), and acid pickling removes any surface contaminants. Bronze’s corrosion resistance ensures parts maintain hygiene and performance in water treatment processes.
Chemical pumps handle corrosive fluids; we produce stainless steel or bronze pump parts with powder coating. Stainless steel resists strong acids/bases, while bronze is suitable for mild chemicals. Powder coating adds an extra protective layer, preventing chemical erosion and extending part service life. We also ensure tight machining tolerances to prevent chemical leakage, which could cause safety hazards.
Irrigation pumps require lightweight yet durable parts; we use aluminum or brass impellers with anodizing. Aluminum’s lightweight property reduces pump energy consumption, and anodizing enhances corrosion resistance to agricultural chemicals (e.g., fertilizers). Brass impellers are recommended for high-flow irrigation systems, as they offer better wear resistance than aluminum.
Industrial pumps (e.g., for oil refineries) need high-temperature resistance; we use alloy steel impellers with heat treatment. Heat treatment enhances alloy steel’s high-temperature strength, allowing impellers to operate in oil refinery pumps that handle fluids at 200+°C. We also use hot-dip galvanizing for pump bodies to resist oil residues and environmental corrosion.
We use AutoCAD and Solidworks to refine pump body and impeller designs. Our engineering team optimizes impeller blade angles using fluid flow simulation software, improving pump efficiency by 5-10% compared to standard designs. For pump bodies, we adjust internal channel geometry to reduce fluid resistance and prevent cavitation (a common cause of pump failure).
Our quality control lab is equipped with direct-reading spectrometers to analyze material composition (ensuring brass/bronze alloy purity), three-dimensional machines to verify complex impeller geometries, tensile testing machines to evaluate material strength, and hardness test machines to check heat treatment results. These tools ensure parts meet material and performance requirements.
Our team advises on material choice based on fluid type and operating conditions. For freshwater applications (e.g., irrigation), we recommend brass (cost-effective and corrosion-resistant). For saltwater (e.g., marine pumps), we suggest bronze (superior saltwater corrosion resistance). For high-temperature industrial fluids, we recommend alloy steel (heat-resistant and strong). This guidance ensures pump parts perform optimally in their intended environment.
We combine casting, machining, and surface treatment to reduce lead times and costs for customers. This integrated service means customers don’t need to work with multiple suppliers—we handle all production steps from design to delivery, ensuring consistency in part quality and simplifying the supply chain.
We offer sample pump parts for performance testing before formal order placement. Samples are tested for flow rate (to verify pump efficiency), leak tightness (to ensure no fluid leakage), and durability (to simulate long-term use). We provide test reports to customers, helping them validate designs and make informed production decisions.
We ensure customer drawings and designs are kept confidential. All project-related documents are stored in secure systems, and only authorized personnel have access. This protects customer intellectual property—critical for customers developing new pump designs or maintaining proprietary technology in the valve and pump industry.
Process | Investment casting Precision casting Lost wax casting |
Processing Ability | Surface finishment: Ra 12.5um |
Size tolerance: CT7-CT9 | |
Weight range: 0.1-100kg | |
Material | stainless steel, carbon steel, alloy steel, heat-resistant steel, hardend steel,mild steel |
Application | Agricultural Machinery,Automotive & Railway Industry,Hydraulic Valves & Cylinders,Engineering & Construction Machinery,Municipal Machinery ,Marine Industry,Mining Machinery
|
Surface Treatment | powder coating, sand blasting, painting, polishing, acid pickling, anodizing, enamel, zinc plating, hot-dip galvanizing, electrophoresis, chrome plating. |
Standards | AISI,ATSM,UNI,BS,DIN,JIS,GB etc. |
Inspection | Direct-reading spectrometer,Metallurgical structure analysis,Three-dimensional machine,Pre-Furnace carbon and sulfur analyzer,optical projecto,Tensile testing machine,Inspection gauge,Hardness Test Machine |
