China-Made Iron Casting Gate Valve Housing High Quality Casting Services Product

As a leading China-based manufacturer, we specialize in high-quality iron casting gate valve housings that meet international standards for performance and reliability. Our casting services combine advanced foundry technology with extensive metallurgical expertise to produce valve housings that excel in demanding industrial applications, from water distribution to chemical processing systems.

Material Excellence
We utilize premium cast iron grades specifically engineered for valve applications:

• Gray Cast Iron Grade 250: Excellent castability and vibration damping characteristics

• Ductile Iron Grade 500-7: Superior strength and impact resistance for high-pressure applications

• Compact Graphite Iron: Enhanced thermal fatigue resistance and mechanical properties

• Alloyed Iron Variants: Nickel-chromium additions for improved corrosion resistance

Advanced Manufacturing Process
Our comprehensive production system ensures consistent quality:

Precision Casting Technology

1. Resin Sand Casting: Furane resin sand molding for dimensional accuracy

2. Pattern Engineering: CAD/CAM designed patterns with optimized gating systems

3. Mold Preparation: Automated molding lines ensuring consistency

4. Metal Processing: Controlled melting at 1380-1420°C

5. Pouring Operation: Automated pouring systems for quality consistency

Quality Enhancement

• Stress relieving heat treatment

• Shot blasting for surface cleaning

• Precision machining of sealing surfaces

• Pressure testing and quality verification

Performance Characteristics

• Pressure Rating: PN10 to PN40 standards compliance

• Temperature Range: -20°C to 350°C operational capability

• Tensile Strength: 250-500 MPa depending on material grade

• Surface Quality: Ra 12.5-25 μm as-cast, improvable to Ra 3.2 μm

• Pressure Tightness: 100% tested at 1.5 times working pressure

• Service Life: 10+ years in continuous industrial service

Quality Assurance Systems

• Material certification to ASTM standards

• Dimensional verification with CMM

• Liquid penetrant testing for surface defects

• Radiographic examination for internal quality

• Pressure testing to API 598 standards

• Mechanical property validation

Industrial Applications

• Water Treatment Plants: Main line valves and distribution systems

• Chemical Processing: Corrosion-resistant valve applications

• Oil and Gas Industry: Pipeline valves and control systems

• Power Generation: Cooling water and process fluid systems

• Marine Applications: Seawater handling and ballast systems

Technical Advantages

• Superior metallurgical quality with controlled microstructure

• Excellent pressure containment capabilities

• Enhanced corrosion resistance through proper material selection

• Reduced machining requirements through near-net shape casting

• Consistent performance across production batches

• Cost-effective manufacturing solutions

Customization Capabilities

• Size range from DN50 to DN600 valve housings

• Multiple flange standards (ANSI, DIN, JIS, GB)

• Custom design modifications for specific applications

• Various pressure class ratings

• Special coating and lining options

• Complete assembly and testing services

Our China-made iron casting gate valve housings represent the perfect combination of traditional foundry expertise and modern manufacturing technology. With comprehensive quality control and extensive industry experience, we deliver components that ensure reliable performance, minimal maintenance, and long-term durability in the most challenging fluid handling applications.