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In fluid control systems requiring uncompromising reliability and corrosion resistance, stainless steel valve bodies manufactured through investment precision casting represent the pinnacle of manufacturing excellence. China's advanced foundries have perfected the integration of investment casting with precision machining to produce valve bodies that meet international standards for performance, dimensional accuracy, and longevity. This comprehensive manufacturing approach delivers components ready for critical service in chemical processing, oil and gas, power generation, and other demanding industrial applications.
Material Excellence and Performance Characteristics
We utilize premium stainless steel grades including CF8 (304 equivalent), CF8M (316 equivalent), and specialized alloys like CF3M for enhanced corrosion resistance. Our CF8M valve bodies provide tensile strength of 515 MPa minimum with exceptional resistance to pitting and crevice corrosion, particularly in chloride environments. The controlled ferrite content (8-18% per ASTM A743 requirements) ensures optimal corrosion resistance while preventing microfissuring in heavy sections. The investment casting process creates a homogeneous fine-grained microstructure that enhances pressure integrity, with hydrostatic test capabilities exceeding 1.5 times the maximum working pressure. These materials maintain mechanical integrity across temperature ranges from -196°C to 800°C, making them suitable for cryogenic through high-temperature applications.
Precision Manufacturing Integration
Our manufacturing process begins with advanced investment casting using silica sol technology, creating ceramic molds capable of reproducing intricate internal passages and complex geometries with dimensional accuracy within ±0.005 inches per inch. The vacuum-assisted pouring process ensures complete mold filling while preventing oxide formation. Following casting, each valve body undergoes precision machining on CNC boring mills and machining centers, maintaining bore tolerances within IT7 standards, surface finishes of 1.6-3.2 μm Ra for sealing surfaces, and flange flatness within 0.001 inches per foot. The integrated approach includes comprehensive non-destructive testing including liquid penetrant examination, radiographic inspection, and pressure testing to ensure leak-free performance.
Comprehensive Industrial Applications
Our investment cast and machined stainless steel valve bodies serve critical functions across multiple sectors including chemical processing plants handling corrosive media, oil and gas pipelines requiring API 6D compliance, power generation facilities with ASTM A351 specifications, and water treatment systems needing durable, corrosion-resistant components. The pharmaceutical and food processing industries utilize our valves for sanitary applications, while the marine sector specifies our components for seawater handling systems. Our manufacturing capabilities accommodate various pressure classes from 150 to 2500, with sizes ranging from 1/2 inch to 24 inches, supporting both standard and custom design requirements.
Partner with China's manufacturing expertise for stainless steel valve bodies that combine investment casting precision with machining excellence. Our integrated approach ensures components that enhance valve performance, reduce maintenance costs, and provide reliable service in demanding applications, supported by comprehensive material certification and performance validation documentation.
Product Description
| item | value |
| Place of Origin | China |
| - | Liaoning |
| Brand Name | pengxin |
| Model Number | L001 |
1.Investment-casting production process: The model number L001 utilizes a cutting-edge investment casting process for the Stainless Steel Valve Body, ensuring superior quality and precision.
2.Compatibility with various industries: This product is tailor-made for Machinery Parts applications, being suitable for a wide range of industrial sectors.
3.ISO/TS/RoHS certifications: Pengxin boasts adherence to strict quality and safety standards with its ISO9001/TS16949/RoHS certifications, assuring customers of reliable and eco-friendly products.
4.High production efficiency: Situated in the traditional industrial production hub of Dandong City, Liaoning Province, the factory encompasses a 5,000 square meter facility housing over 600 employees, with engineers accounting for 2/3 of the workforce.
5.Comprehensive services: pengxin offers a one-stop service package, including customization and OEM/ODM services, ensuring that customers' unique needs and requirements are met efficiently and effectively.
Established in 1998, Dandong City Pengxin Machinery Co., Ltd. excels as a versatile private enterprise, integrating casting, machining, and assembly. Based on a 66,000 square-meter site, its 40,000 square-meter plant houses a 220 million yuan fixed asset value and a workforce of 330 personnel, including 46 technical and managerial staff.
The company manufactures various ductile iron, gray iron castings, and compacted graphite irons capable of annual production capacity up to 100,000 tons. Key products include engine flywheels, clutch pressure plates, brake discs, chassis parts, axle components, boxes, body pumps, etc. These engineering marvels have forged strong partnerships with Dahua Kyrgyzstan, Changchun Yidong Clutch Co., Ltd., SG Automotive Group, Shenyang Brilliance, CRRC-Shenyang, Great Wall Motor, and Fawer shock absorbers.
Of note, Dandong City Pengxin Machinery Co., Ltd.'s AMF-07L & R, AMF-08L, and 1.5-ton electric furnace technologies, coupled with Oxford spectrometers and Germany Bruker spectrometry, enable comprehensive physical and chemical analysis. The robust machining center, including Taiwan and USA USA heck heck machining centers and CNC automatic lathe, Germany WENZER CMM, and over 170 CNC lathes, mills, drills, etc., ensures high precision.
In a commitment to quality, the company holds certifications such as ISO9001-2015, IATF 16949-2016, AD2000-Merkblatt W0 pressure vessel material quality system certification. US Environmental Protection Agency (EPA), OSHA 18001, ISO 14001, and Quality Management System certifications further attest to its rigorous quality control. The foundry industry has a high-level team of expert advisers for product development and technology research.
Dandong City Pengxin Machinery Co., Ltd. adheres to the modern management mode, with strong partnerships and technological prowess exhibited by its production machinery, inspection equipment, and high-quality products. The company's commitment to innovation and customer satisfaction is reflected in its ability to work with prominent international players such as John Deere from the US, Binotto from the UK, Mercedes-Benz, Weir from Italy, WILO from Germany, and KOBERT from Austria. Our professionals look forward to establishing long-lasting relationships with customers and partners alike. Visit our state-of-the-art facility to experience our offerings first-hand.
Your satisfaction is our pursuit, and our team is dedicated to providing the best products and services. We are poised to rise together on this exciting journey!
1. who are we?
We are based in Liaoning, China, start from 2020,sell to North America(42.00%),Western Europe(25.00%),Northern Europe(14.00%),Eastern Europe(11.00%),Southeast Asia(8.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Sand Casting,Shell Casting,Investment Casting,Gravity Casting,Machining Parts
4. why should you buy from us not from other suppliers?
Dandong City Pengxin Machinery Co., Ltd (PX-Casting) is a professional manufacture focusing on forging, casting and machinery. We produce forging & casting parts according to your own specifications via our highly-control production process. Our customiz
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency: USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken: English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
