Cast Iron Valve Disc
Product Name: valve disc
Material: grey iron/ ductile iron
Weight Scope: 0.2-1800kg
Production Technology: Auto molding line; Joint Squeezer；Shell molding；Resin sand
Machining: customized
Surface treatment: anti-rust oil; primer painting; cataphoresis; powder coating; zinc plating
Quality Control: ISO9001
Description
Our Cast Iron Valve Discs are designed to provide reliable sealing and flow regulation in a wide range of industrial valve applications. Manufactured using gray iron or ductile iron (nodular cast iron), these discs are produced through high-quality sand casting processes, ensuring excellent dimensional accuracy and structural integrity. With over 20 years of experience, we offer both standard and OEM valve disc solutions to meet customer-specific requirements.
Material Grades & Properties
Gray Iron (e.g., ASTM A48 Class 30/40)
High wear resistance, excellent vibration damping
Ductile Iron (e.g., ASTM A536 60-40-18)
Higher tensile strength, better impact resistance
Typical Composition
Gray Iron: C 3.0–3.5%, Si 1.8–2.8%, Mn ≤ 1%, P ≤ 0.2%, S ≤ 0.15%
Ductile Iron: C 3.2–3.6%, Si 2.2–2.8%, Mn 0.2–0.5%, Mg 0.03–0.05%
Application Fields
Commonly used in:
Product Advantages
Excellent compressive strength and wear resistance
Good machinability and thermal conductivity
Durable and cost-effective material choice
Optional heat treatment to improve hardness and mechanical properties
Customized designs and specifications available for OEM projects
Manufacturing Process
Our valve discs are primarily produced by sand casting, followed by precision machining and surface finishing. Based on customer needs, we provide heat treatment to enhance strength and durability. Each product is inspected by our independent quality control team to ensure it meets all technical and functional standards.
Why Choose Us
We are ISO 9001:2015 certified and equipped with strong technical expertise and a dedicated inspection team. Our products are trusted by customers worldwide for their consistency, durability, and performance.
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