Aluminum Die-Cast Industrial Pump Housings and Hydraulic Valve Bodies

Core strengths

Core Technical Advantages

Advanced Die Casting Equipment
Heavy-duty Die Casting Machines: 1000T-2500T
Vacuum System: Cavity vacuum ≤20mbar, Porosity ≤1%
Real-time Monitoring: Full recording of injection speed, pressure, and temperature
Automated Production: Robotic part removal, automatic spraying, online inspection

Material and Process Innovation
Proprietary Alloy Formula: Optimized for hydraulic applications
Localized Extrusion Technology: Enhanced density at critical pressure points
Precision Heat Treatment: Dimensional stability control ±0.05%
X-ray Inspection: 100% internal quality check

Precision Machining Support
Five-axis Machining Center: Complex flow channels formed in one pass
Deep Hole Drilling Equipment: Hole diameter φ3-20mm, depth up to 300mm
Honing Process: Inner hole precision IT6-7 grade, roughness Ra0.2μm
Automated Cleaning: Ensures internal cleanliness

Strict Quality System
Pressure Testing: 1.5 times working pressure, holding for 5 minutes
Flow Testing: Simulated real-world operating conditions verification
Fatigue Testing: ≥1 million pressure cycles
Material Certification: Complies with ASTM, DIN, and GB standards

Core Product Introduction

Product Series and Technical Features

Industrial Pump Shell Series

Centrifugal Pump Aluminum Die-Cast Shell
Function Characteristics:
Guides fluid flow smoothly, reducing turbulence losses
Withstands system operating pressure and hydraulic shocks
Provides a precise installation reference for the impeller
Integrates mounting flanges and interfaces

Technical Specifications:
Size Range: DN25-DN300 (1"-12")
Pressure Rating: PN10-PN40 (up to 4.0MPa)
Material Selection:
A380 (Standard): Tensile Strength ≥320MPa
AlSi10Mg (Enhanced): Yield Strength ≥230MPa
Wall Thickness Control: 4-10mm, Uniformity ±0.3mm
Flow Channel Precision: Surface Roughness Ra ≤3.2μm

Performance Advantages:
Flow Channel Optimization: CFD simulation design, efficiency improved by 5-8%
Lightweight: 40-50% lighter than traditional cast iron
Corrosion Resistance: Passed 500-hour salt spray test
Integrated Design: Can integrate reinforcing ribs and mounting seats via die-casting

Volumetric Pump Aluminum Alloy Shell
Application Fields: Gear pumps, plunger pumps, screw pumps
Special Requirements:
High-dimensional stability, matching thermal expansion coefficients
Precision mating surface, gap control 0.03-0.08mm
Wear-resistant design, with wear rings available for key areas

Process Features:
Localized Extrusion: High-pressure areas with density ≥99%
Insert Casting Technology: Steel and copper inserts formed in one go
Heat Treatment Process: T6 treatment, hardness HB90-110

Hydraulic Valve Body Series

Direction Control Valve Body
Function Characteristics:
Constructs precise oil passageways
Installs valve cores and sealing components
Withstands system pressure fluctuations

Key Technologies:
Internal Flow Channel: Minimum aperture φ3mm, depth-to-diameter ratio ≤15:1
Seal Surface Precision: Flatness ≤0.02mm, Surface Roughness Ra0.8μm
Pressure Rating: Up to 35MPa (350bar)
Leakage Level: Complies with ISO 6403 standard

Pressure Control Valve Body
Structural Features:
Reinforced design, pressure shock resistance
Optimized stress distribution, reduced deformation
Integrated pressure detection interface

Material Solutions:
Standard: A380-T5
High Pressure: AlSi10Mg-T6
Special: Copper-containing aluminum alloy to enhance pressure resistance

Flow Control Valve Body
Design Requirements:
Precise throttle hole size control
Excellent surface quality, reducing turbulence
Temperature deformation compensation design

Application Scenarios

Petrochemical Industry
Medium Compatibility: Resistant to weak acids, alkalis, and salt solutions
Temperature Range: -20℃ to +150℃
Certification Requirements: API, ANSI standards
Typical Applications: Chemical process pumps, metering pump housings

Water Treatment Engineering
Corrosion Resistance Requirements: Suitable for chloride ion environments
Health Standards: Complies with materials for drinking water contact requirements
Application Products: Centrifugal pumps, metering pumps, valve bodies

Construction Machinery
Vibration Resistance Design: Passed random vibration tests
Working Pressure: Up to 35MPa
Temperature Adaptation: -40℃ to +120℃
Application Cases: Hydraulic system valve bodies, gear pump housings

Energy Equipment
Reliability Requirements: Long-life design
Ease of Maintenance: Lightweight for convenient on-site maintenance
Application Fields: Power plant auxiliaries, cooling systems

Technical Support and Services

Service Process

Phase 1: Technical Consultation (1-3 days)
Application condition analysis
Preliminary plan design
Feasibility assessment

Phase 2: Engineering Development (10-15 days)
Detailed design and simulation
Mold solution development
Cost and lead time confirmation

Phase 3: Sample Validation (15-20 days)
Mold manufacturing and trial molding
Sample production and testing
Customer testing and feedback

Phase 4: Mass Production (As per plan)
Raw material procurement
Production and quality control
Packaging and logistics

Phase 5: After-Sales Service
Quality tracking
Technical upgrades
Spare parts support

Frequently Asked Questions

Q: What is the largest size of pump housings you can produce?
A: Currently, the maximum size of pump housings we can produce is 800×600×400mm, with a weight of ≤25kg.

Q: What is the highest pressure rating achievable?
A: The standard products can handle up to 35MPa, and special designs can reach up to 50MPa.

Q: Is there a minimum order quantity (MOQ)?
A: There is no MOQ during the sample stage. For mass production, the MOQ is generally 50-100 pieces depending on the complexity of the product.

Q: What are the available surface treatment options?
A: The available surface treatments include anodizing (in various colors), chemical nickel plating, Teflon coating, powder coating, etc.

Q: Do you offer internal machining services?
A: Yes, we provide complete machining services, including turning, milling, drilling, honing, and more.

Q: What is the lifespan of the molds?
A: The lifespan of pump housing molds is ≥80,000 cycles, while valve body molds last ≥100,000 cycles.

Sample Request and Quotation

We believe seeing is believing, and we offer free sample services:

Sample Application Process:
1. Provide drawings or technical requirements
2. Technical evaluation and solution confirmation
3. Sample production and testing
4. Sample delivery and feedback
5. Discussion for mass production cooperation

Quick Quotation Channel:
Submit basic information online and receive a preliminary quotation within 24 hours
Provide a detailed quotation after technical communication
Offer cost optimization proposals