Cast Iron Valve Body | Ductile & Gray Iron Sand Casting

Cast Iron Valve Body

Cast Iron Valve Body is a core component for industrial valves, designed to deliver reliable fluid control in various pipeline systems. It combines durability, cost-effectiveness, and easy installation, making it a top choice for municipal and industrial applications.

Types of Cast Iron Valve Body

We offer two main variants to meet different working demands: Ductile Iron Valve Body and Gray Iron Valve Body. Ductile Iron Valve Body features high tensile strength and impact resistance, suitable for medium-pressure scenarios.
Gray Iron Valve Body excels in machinability and vibration damping, ideal for low-pressure systems like water supply and HVAC pipelines. Both variants adhere to strict quality standards for stable performance.

Sand Casting for Cast Iron Valve Body

Sand Casting for Cast Iron Valve Body is our primary manufacturing process, ensuring uniform material structure and smooth inner walls. This mature technology minimizes casting defects, guaranteeing consistent wall thickness and structural integrity.
Each casted body undergoes rigorous inspection to eliminate flaws, laying a solid foundation for the valve’s overall performance and service life.

Cast Iron Valve Body Sizes

We provide a complete range of standard sizes: Cast Iron Valve Body DN50, DN80, DN100, DN150,  DN200…… These sizes are widely compatible with common industrial valves such as gate valves, globe valves, and check valves.
The standard dimensions ensure easy integration into existing pipeline systems, reducing installation time and costs for our customers.

Quality & Application

Our Cast Iron Valve Body is crafted from high-quality raw materials, with strict quality control throughout the production process. It is widely used in water treatment, municipal pipelines, petrochemicals, and heating systems.
With its excellent performance and competitive price, it has become a reliable choice for global customers seeking cost-effective valve components.
Sand Casting for Cast Iron Valve Body Ductile Iron Valve Body Cast Iron Valve Body

Manufacturing Method Sand Casting(Resin Sand, Pre-Coated Sand, Clay Sand, Water glass sand, Green Sand,lost foam )
Material Standard GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc
carbon steel, low carbon steel, middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc.
Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc.
Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, etc. AS2074 or according to customer specific requirement.
Ductile Iron:A536-Gr.60-40-18,GGG40,GGG50,FCD40,FCD50,Gr370-17,Gr420-12,etc
Grey Iron:A48-No.20,25,30,GG10,GG15,GG20,FC10,FC15,FC20,Grade 150,180,220,FGL150,FGL200,FGL250,etc
Weight Range 1 kg to 100 Tons
General Casting Tolerance CT8-CT12
Design Software UG, Pro-E, Inventor
Dwg Format STP, STEP, IGS,STP,X_T ,DXF,DWG , Pro/E, PDF, SLDPRT
Mould Manufacturing Yes
Casting Stimulation Yes
Ultimate machining tolerance 0.005mm
Quality Control RT,UT,MT,PT,CMM,SCAN,Chemical and Mechanical Property Testing,Spectrometer,etc
Finish Roughness Ra12.5-Ra25 according to customer requirement
Logo/ID Silk-screening, Laser Marking, Engrave,Painting
Heat Treatment Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching,etc
Surface Treatment Shot/sand blast, Polishing, Surface Passivation, Painting , Anodizing,Powder coating, ED- Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting,hot-dip galvanizing, etc

 

Common FAQs About Leesh Sand Casting

1. What is sand casting?

Sand casting is a casting method that uses sand as the molding material to produce castings. It is widely used due to its advantages such as readily available and low-cost materials, simple equipment, easy operation, and no restrictions on casting alloy types, shapes, sizes, or production scales.

2. What materials can Leesh supply for sand casting?

Leesh provides various materials including Carbon Steel, Alloy Steel, Stainless Steel, Grey Iron, and Ductile Iron. These materials comply with international and national standards such as ASTM, SAE, AISI, ACI, DIN, EN, ISO, and GB.

3. What is the weight range of castings Leesh can produce?

  • Cast Steel: 50Kg – 25,000Kg
  • Cast Iron: 0.1Kg – 3,000Kg

4. What sand casting processes does Leesh adopt?

  • For Cast Steel: Water glass  sand,  resin sand, coated resin sand (Hot-Box & Shell Molding)
  • For Cast Iron: Resin sand, green sand

5. What are the key technical specifications of Leesh’s Green sand casting?

  • Dimensional tolerance: CT8–CT12 (per ISO 8062)
  • Surface roughness: Ra 6.3–25 μm
  • Max part weight: 0.1 kg – 25,000 kg

6. Which industries does Leesh’s sand casting serve?

Leesh’s sand casting solutions are suitable for diverse industries including construction, machinery, automotive, and energy.

7. Why choose Leesh’s sand casting services?

  • Cost-effective for both small and large production runs
  • Compatible with a wide range of metals and alloys
  • Flexible in design and size customization
  • Shorter lead times for prototype development and bulk production

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