Customized Grey Iron Valves

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Payment Type:	T/T,L/C,D/P
Incoterm:	FOB,CFR,CIF,CIP,DDP,DDU
Min. Order:	10 Piece/Pieces
Transportation:	Ocean,Land,Air,Express
Port:	Tianjin,Ningbo,Qingdao

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Product Description

Product Attributes

Material: Ductile iron, grey iron, cast iron

Process: Investment casting

Customization: Drawings or samples

OEM Service: Drawings, OEM numbers, or samples

Standard: AISI, ANSI, ASTM, JIS, GB, ISO, DIN, BS, AS

Quality Approval: ISO9001

Testing: Spectrometer; Ultrasonic; X-Ray; Chemical and mechanical analysis; NDT; CMM and more

Dimensional Tolerance: CT4-CT7

Machining Service: CNC machining service available

Surface Treatment: Machining, Grinding, Shot Peening, Polishing, Anodising, Sandblasting and More.

Packaging & Delivery

Selling Units	:	Piece/Pieces
Package Type	:	Export standard packing

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Product Description

Iron alloys such as ductile iron, grey iron, and cast iron are foundational materials used in the manufacturing of valves and valve bodies. Each type of iron offers unique properties and benefits that make them suitable for various applications within different industries, including water treatment, oil and gas, and manufacturing processes.

Ductile Iron

Characteristics: Ductile iron, also known as nodular cast iron, contains iron along with added elements such as silicon, carbon, and magnesium. This composition enhances ductility, allowing the iron to flex and elongate under stress, a crucial attribute in applications involving variable pressures and temperatures.

Benefits for Valves:

High Strength: Ductile iron has a higher tensile strength than grey iron, making it ideal for pressure-containing applications where durability is essential.
Good Wear Resistance: The wear resistance of ductile iron makes it suitable for valve applications where abrasion may be a concern, such as slurry and ash handling systems.
Impact Resistance: Ductile iron maintains excellent resistance to impacts, making it reliable for heavy-duty industrial applications.

Grey Iron

Characteristics: Grey iron is characterized by its graphite flake structure, which occurs due to the high carbon content. This structure gives grey iron excellent machinability and good vibration damping properties.

Benefits for Valves:

Cost-Effectiveness: Grey iron is generally less expensive to produce than ductile iron, making it a cost-effective choice for large castings.
Thermal Conductivity: Excellent thermal conductivity makes grey iron suitable for applications involving temperature fluctuations.
Compression Strength: High compressive strength ensures that grey iron can withstand significant loads without deforming.

Cast Iron

Characteristics: Cast iron typically refers to grey iron, but the term can also encompass a range of other iron-carbon alloy mixtures. It is known for its durability and excellent fluidity in the molten state, making it easy to cast.

Benefits for Valves:

Durability: Valves made from cast iron are extremely robust, making them suitable for long-term applications under harsh conditions.
Corrosion Resistance: When alloyed or treated, cast iron can offer good resistance to oxidation and corrosion.
Pressure Handling: Cast iron valves effectively handle high-pressure applications, critical in industrial settings.

Investment Casting for Iron Valves

Investment casting, also known as lost-wax casting, is particularly advantageous for manufacturing customized valves and valve bodies from ductile iron, grey iron, and other cast irons.

Specific Benefits:

Precision and Complexity: Iron Investment Casting allows for the production of complex shapes with high precision, reducing the need for secondary machining. This is particularly beneficial for intricate valve geometries that must meet strict tolerance limits.
Surface Finish: Investment casting provides a superior surface finish, which is crucial for valve bodies to ensure proper sealing and function.
Customization: This method is ideal for creating customized valves tailored to specific applications, offering flexibility in design and functionality.

Valves and valve bodies made from ductile iron, grey iron, and cast iron provide robust solutions for various industrial applications. The use of iron investment casting to manufacture these components allows for precision, customization, and efficiency, ensuring that the valves not only meet the required standards but also offer reliability and longevity in their operations. Whether it's handling high pressures, resisting wear and corrosion, or ensuring cost-effectiveness, iron alloys continue to be materials of choice in valve manufacturing.

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