**Product Basic Information**
Model NO.: 4203
Flow Direction: Reversing
Standard: ASTM, GB, JIS, BS, DIN
Application: Industrial, Water Treatment, and Household Use
Working Temperature: Below 170°C
Quality Control: Comprehensive Testing
Environmental Test: Lead-Free Compliant
Trademark: OEM Available
Transport Package: Box & Crate, Standard Export Packaging
Specification: Customized Options
Origin: China
Process Precision Machining, Custom Processes Available
Material US Schumann Bronze
Unit Weight 0.1kg - 30kg
Finish Plain, Nickel Plating, Chrome Plating, or Polishing
Application Automotive, Mining, Railway, Construction Equipment, and More
Quality Control CMM, Projection Machine, Spectrometer, Hardness Tester, Tensile Tester, etc.
Certificate ISO 9001:2008 Certified
Standard ASTM, DIN, ISO, BS, JIS


**4203 Wafer Type Double Door Check Valve** - **Pressure Rating:** PN16 / CLASS 125 - **Working Temperature:** - -20 to 110°C (EPDM) - -10 to 80°C (NBR) - **Design Conforms to:** DIN3202 / API 594 We offer a wide range of casting, stamping, machining, and forging parts tailored to your needs. 1. **Casting Types:** Aluminum Casting, Sand Casting, Die Casting, Gravity Casting, High/Low Pressure Die Casting, Forging, Stamping, and Machining. 2. **Software Used for Drawings:** AutoCAD, SolidWorks. 3. **Precision Machining:** CNC, Milling Machines, Drilling Machines, Lathes, and more. 4. **Surface Finishes:** Polishing, Sand Blasting, Heat Treatment, Painting, Powder Coating, Anodizing, Electroplating, Mirror Polishing. 5. **Quality Assurance:** We ensure high-quality products with strict delivery timelines to meet customer expectations. Whether you need standard or custom components, we are here to support your project from design to delivery. Let us help you find the right solution for your industrial application.

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