**Product Specifications:** - **Model No.:** CFM-990 - **Surface Treatment:** Sand Blast - **Surface Roughness:** Ra6.3 - **Standard:** ANSI - **Certification:** CE, ISO 9001:2008 - **Certificate:** TS16949, ISO9001 - **Brand:** Chifine - **Service:** OEM and ODM - **Machining Type:** CNC Turning, Milling, Drilling, Lathe - **Export Market:** Global - **Quality Control:** Professional QC and Test Equipment - **Manufacturer:** Yes - **Origin:** Qingdao - **Tolerance:** CT7-CT9 - **Heat Treatment:** Normalizing, Quenching, Annealing, Tempering - **Trademark:** Chifine - **Transport Package:** On Pallet or as Per Customer Request - **Specification:** Butterfly Valve - **HS Code:** 7325101000 **Product Description:** Our butterfly valves are made from high-quality materials such as gray iron and ductile iron. The manufacturing process includes sand casting, ensuring durability and precision. We use advanced software like Pro/E, AutoCAD, and SolidWorks for design and specification drawings. Our facility is equipped with electric furnaces, cupola furnaces, annealing furnaces, sand mixing machines, shot blasting chambers, and various molding machines. For precision machining, we utilize CNC lathes, boring machines, milling machines, and bench drilling machines. Surface protection options include oiling (for rust prevention), electroplating, hot dip galvanizing, nickel or chrome plating, painting, and powder coating. These valves are widely used in municipal and drainage systems, power stations, industrial equipment, and vehicles. **Our Inspection Equipment:** We have a comprehensive set of inspection tools including direct-reading spectrograph, metallographic microscope, hardness tester, Brinell hardness tester, thermometric indicator, universal testing machine, carbon and silicon analysis meter, magnetic powder flaw detector, digital ultrasonic flaw detector, and more. This ensures that every product meets the highest quality standards. **Our Service:** - Quick response to inquiries within 12 hours. - Custom solutions based on customer drawings. - Large-scale production capacity to ensure fast turnaround after order confirmation. - Strict confidentiality and protection of customer information. **Quality Control:** We maintain a complete quality control system to guarantee top-notch product quality. Our process includes raw material control, chemical spectrum analysis, mechanical property testing, metallographic analysis, ultrasonic testing, magnetic testing, radiographic testing, dimensional inspection, visual inspection, penetrant testing, leak testing, hardness testing, and microstructure analysis after heat treatment. **Machining Ability:** Our machining shop in Qingdao is equipped with the latest CNC equipment, including horizontal and vertical machining centers, CNC lathes, normal lathes, CNC drilling and milling centers, and other auxiliary equipment. This allows us to deliver high-quality products consistently. **Product Design & Casting Simulation:** Our team of experienced engineers specializes in product design using CAD, PROE, and SOLIDWORKS to ensure smooth production processes. With extensive experience in casting, we can provide expert advice on product structure design, performance optimization, and process parameters. We create 3D models and conduct pouring simulation analysis to refine and optimize casting designs for better results. **Material Options:** - Grey cast iron, ductile cast iron, steel, stainless steel, brass, copper, bronze, aluminum, zinc, and more. **Process:** Sand casting, precision casting, die casting. **Surface Finishes:** Polishing, sand blasting, heat treatment, painting, powder coating, anodizing, electroplating, mirror polishing. **Certification:** ISO9001 **Service:** OEM service available **Main Export Markets:** Eastern Europe, Western Europe, North America, Mid Africa, Central America, Asia, Australia. [Image: Cast Iron Water Type Butterfly Valve] [Image: Cast Iron Water Type Butterfly Valve] [Image: Cast Iron Water Type Butterfly Valve] [Image: Cast Iron Water Type Butterfly Valve] **Table of Product Details:** | Material | Grey Cast Iron, Ductile Cast Iron, Steel, Stainless Steel, Brass, Copper, Bronze, Aluminum, Zinc etc. | |----------|--------------------------------------------------------------------------------------------------| | Process | Sand Casting, Precision Casting, Die Casting | | Surface Finishment | Polishing, Sand Blasting, Heat Treatment, Painting, Powder Coating, Anodizing, Electroplating, Mirror Polishing | | Certificate | ISO9001 | | Service | OEM Service Available | | Main Export Market | Eastern Europe, Western Europe, North America, Mid Africa, Central America, Asia, Australia |

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