High-Quality Valve Castings for Reliable Performance
Shanghai Leierwo Castings has over 18 years of experience in valve casting, providing customers with high-quality cast valves that meet the most demanding industry standards. We specialize in manufacturing custom valve components using a variety of metal materials, including carbon steel, stainless steel, and alloy steel. Whether it’s check valve components, globe valve components, butterfly valve components, or other valve parts, we can cast them to precise specifications, ensuring optimal performance and durability.
Our advanced production facilities, skilled technicians, and strict quality control processes guarantee that every valve casting delivers reliability and efficiency. As one of the leading casting manufacturers in China, we are committed to offering tailored solutions to meet your unique requirements. Feel free to contact us to discuss your needs—we look forward to partnering with you and providing exceptional valve casting solutions.
Our advanced production facilities, skilled technicians, and strict quality control processes guarantee that every valve casting delivers reliability and efficiency. As one of the leading casting manufacturers in China, we are committed to offering tailored solutions to meet your unique requirements. Feel free to contact us to discuss your needs—we look forward to partnering with you and providing exceptional valve casting solutions.
Types of Valve Castings
We manufacture a wide range of valve castings, including body and housing castings for ball valves, globe valves, safety valves, gate valves, butterfly valves, control valves, and check valves.
In the valve casting process, we use high-quality materials such as stainless steel, carbon steel, and other alloy steels. Our advanced casting techniques, including investment casting and sand casting, ensure high-quality valve castings. If you are looking for pricing details for your valve casting needs, please contact us directly.
In the valve casting process, we use high-quality materials such as stainless steel, carbon steel, and other alloy steels. Our advanced casting techniques, including investment casting and sand casting, ensure high-quality valve castings. If you are looking for pricing details for your valve casting needs, please contact us directly.
Our Valve Casting Manufacturing Capability
Valve Sand Casting
Sand casting uses sand molds with cavities to pour molten metal. It is more suitable for larger valve components. Unlike investment casting, its maximum casting weight can be up to 2 tons. However, it requires more machining allowances for subsequent processing operations.
Certain types of valve bodies are typically produced by sand casting instead of investment casting, mainly due to considerations of size, cost, and materials. Typical sand cast valve types include:
Ball Valves: Large ball valves are usually produced by sand casting.
Gate Valves: Used in the oil and gas industry, sand casting is suitable for large gate valves.
Butterfly Valves: For large diameters, sand casting can produce large and complex shapes at a lower cost.
Pressure Relief Valves: Commonly used in high-pressure applications, sand casting ensures durability.
Relief Valves: Used to regulate pipeline flow.
Certain types of valve bodies are typically produced by sand casting instead of investment casting, mainly due to considerations of size, cost, and materials. Typical sand cast valve types include:
Ball Valves: Large ball valves are usually produced by sand casting.
Gate Valves: Used in the oil and gas industry, sand casting is suitable for large gate valves.
Butterfly Valves: For large diameters, sand casting can produce large and complex shapes at a lower cost.
Pressure Relief Valves: Commonly used in high-pressure applications, sand casting ensures durability.
Relief Valves: Used to regulate pipeline flow.
Valve Investment Casting
Investment casting is a traditional metal casting method suitable for producing complex cast steel valves, such as butterfly valves and ball valves. Investment casting ensures excellent dimensional accuracy, tolerances, and surface finish.
Ball Valves: Medium to small-sized ball valves, especially those requiring strict tolerances, are typically made using precision casting.
Control Valves: The complex internal structure of control valves is well-suited for precision casting.
Safety Valves: For critical components in industrial protection, precision casting ensures reliability.
Check Valves: Small check valves used in high-precision systems, such as hydraulic or pneumatic systems, are produced through precision casting.
Globe Valves: Small globe valves requiring strict dimensional tolerances are often made using precision casting.
Ball Valves: Medium to small-sized ball valves, especially those requiring strict tolerances, are typically made using precision casting.
Control Valves: The complex internal structure of control valves is well-suited for precision casting.
Safety Valves: For critical components in industrial protection, precision casting ensures reliability.
Check Valves: Small check valves used in high-precision systems, such as hydraulic or pneumatic systems, are produced through precision casting.
Globe Valves: Small globe valves requiring strict dimensional tolerances are often made using precision casting.
Permanent Mold Casting
Permanent mold casting, also known as gravity die casting, utilizes reusable metal molds to produce high-quality valve castings. This method is particularly well-suited for manufacturing valve components from non-ferrous metals, with brass and aluminum alloys being the most common choices. The reusability of the molds makes this process cost-effective, especially for large-scale production, while ensuring consistent quality in every batch.
Compared to investment casting, permanent mold casting offers faster production speeds, making it an efficient solution for meeting high-volume demands. While sand casting and investment casting are ideal for complex designs and smaller quantities, permanent mold casting is the preferred choice for valve castings when large quantities are needed and consistency is critical.
At Leierwo Casting, we leverage permanent mold casting to deliver durable, precise, and cost-efficient valve castings tailored to meet the specific requirements of our clients. Whether for industrial, automotive, or commercial applications, our valve castings provide reliable performance and exceptional value.
Compared to investment casting, permanent mold casting offers faster production speeds, making it an efficient solution for meeting high-volume demands. While sand casting and investment casting are ideal for complex designs and smaller quantities, permanent mold casting is the preferred choice for valve castings when large quantities are needed and consistency is critical.
At Leierwo Casting, we leverage permanent mold casting to deliver durable, precise, and cost-efficient valve castings tailored to meet the specific requirements of our clients. Whether for industrial, automotive, or commercial applications, our valve castings provide reliable performance and exceptional value.
Lost Foam Casting
Lost foam casting is ideal for producing precision cast iron valve components, offering excellent surface finish and dimensional accuracy. Valve castings made with this method are typically close to net shape, requiring minimal to no further machining, which reduces production time and costs.
The process involves creating a foam pattern, coating it, and embedding it in sand. Molten metal is then poured in, vaporizing the foam to form the final casting. This ensures intricate designs and consistent quality.
At Leierwo Casting, we use lost foam casting to deliver high-precision, durable, and cost-effective valve castings for industries like oil and gas, water treatment, and industrial machinery. Our advanced techniques ensure reliable performance and exceptional value.
The process involves creating a foam pattern, coating it, and embedding it in sand. Molten metal is then poured in, vaporizing the foam to form the final casting. This ensures intricate designs and consistent quality.
At Leierwo Casting, we use lost foam casting to deliver high-precision, durable, and cost-effective valve castings for industries like oil and gas, water treatment, and industrial machinery. Our advanced techniques ensure reliable performance and exceptional value.
Valve Casting Manufacturers: Pressure Testing and Nondestructive Testing
At Leierwo Casting, we ensure that our valve castings undergo rigorous pressure testing to verify their performance under demanding conditions. Additionally, we perform non-destructive testing (NDT) methods, such as ultrasonic testing (UT) and magnetic particle testing (MT), to guarantee the integrity and quality of every valve casting. These testing processes ensure that all our manufactured products are leak-free and meet the highest industry standards.
Our valve castings are produced using the silica sol casting process, which ensures excellent surface finish and dimensional accuracy. This advanced technique allows us to meet precise drawing requirements solely through casting, often eliminating the need for additional machining. As a result, our customers receive valve castings with unparalleled surface finishes and top-quality performance.
Trust Leierwo Casting to deliver reliable, high-performance valve castings tailored to your specific needs, backed by our commitment to quality and precision.
Our valve castings are produced using the silica sol casting process, which ensures excellent surface finish and dimensional accuracy. This advanced technique allows us to meet precise drawing requirements solely through casting, often eliminating the need for additional machining. As a result, our customers receive valve castings with unparalleled surface finishes and top-quality performance.
Trust Leierwo Casting to deliver reliable, high-performance valve castings tailored to your specific needs, backed by our commitment to quality and precision.
Valve Casting Materials
| Material Type | Characteristics | Common Applications | Example Grades |
|---|---|---|---|
| Stainless Steel | Excellent corrosion resistance, good strength and ductility. | Corrosive environments. | Stainless Steel 304, Stainless Steel 316, 17-4 PH |
| Carbon Steel | High strength, good impact resistance, easy to weld and process. | High temperature, high pressure. | ASTM A216 Pipe Wrench, ASTM A105 |
| Alloy Steel (e.g., Chrome-Moly Steel) | Resistant to high temperature and pressure, good toughness and wear resistance. | Power plants, petroleum industry. | ASTM A217 WC6, ASTM A182 F22 |
| Gray Cast Iron | Good damping properties, excellent wear resistance, good machinability. | General valves. | ASTM A126, Class B |
| Ductile Iron | Higher strength and ductility than gray cast iron. | High-pressure, large valves. | ASTM A536, Grade 60-40-18 |
| Nickel Alloy | Exceptional corrosion resistance, especially in oxidizing and reducing environments. | Severely corrosive environments. | Hastelloy C276, Inconel 625 |
| Titanium | Extremely high strength-to-weight ratio, excellent corrosion resistance, high-temperature limits. | Aerospace and marine applications. | Grade 2, Grade 5 (Ti 6Al-4V) |
Valve Casting Surface Treatment
| Finish Type | Suitable Metals | Feature | Color | Typical Thickness |
|---|---|---|---|---|
| As Cast | Steel, Aluminum, Iron | Rough surface, no secondary process | Natural gray/metal color | Varies (0.5-1 mm) |
| As Machined | Steel, Aluminum, Iron | Smooth, machined surface | Metallic gray | 0.2-0.5 mm |
| Electroplated Finish | Steel, Aluminum | Corrosion-resistant, durable | Silver, Chrome, Gold | 5-25 microns |
| Painted Finish | Aluminum, Steel | Aesthetic, corrosion resistance | Wide range of colors | 10-50 microns |
| Powder Coated Finish | Steel, Aluminum | Durable, corrosion-resistant | Customizable colors | 50-100 microns |
| Anodized Finish | Aluminum | Hard, corrosion-resistant | Wide range of colors | 10-25 microns |
| Electropolished Finish | Stainless Steel | Smooth, shiny, corrosion resistance | Bright silver | 0.5-3 microns |
Our valve castings are PED material certified.
We can provide a variety of steel valve castings, and all valve body castings are certified with PED material certification (Pressure Equipment Directive 2014/68/EU) and DNV certification.
EN10213：1.4308, 1.4408, 1.4309,1.4409, 1.4581, 1.4469, 1.0619, 1.6220, 1.4308, 1.4408, 1.4581
AISI: 304,304L,316,316L
ASTM A351: CF3,CF3M,CF8,CF8M
ASTM A743: CG3M
ASTM A995: 5A
ASTM A216: WCA, WCB, WCC
AISI: 304,304L,316,316L
ASTM A351: CF3,CF3M,CF8,CF8M
ASTM A743: CG3M
ASTM A995: 5A
ASTM A216: WCA, WCB, WCC
Our valve casting supply capability
FAQ
Q1. Are you a trading company or a manufacturer?
Q2. Can you quote based on 3D drawings?
Q3. How do you handle RFQs (Request for Quotation)?
Q4. What is your typical lead time?
Q5. Do you provide samples? Are they free?
Q6. What payment methods do you accept?
Q7. How do you ensure quality control?
Q8. Do your products come with a warranty?
Q9. How do you view your relationship with customers?
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