Stainless steel threaded check valve
The Stainless Steel Threaded Check Valve is a compact and reliable non-return valve designed to prevent reverse flow and protect pipeline systems from backflow damage. Manufactured with high-quality stainless steel materials, this valve provides excellent corrosion resistance, durability, and stable sealing performance, making it suitable for various fluid control applications.
Stainless steel threaded check valve
The threaded connection design offers easy installation, compact structure, and convenient maintenance. The valve adopts a sensitive opening and closing mechanism with low pressure loss, ensuring efficient flow control and reliable operation in pipelines carrying liquids, gases, and other compatible media.
We provide comprehensive OEM manufacturing and customization services, including customized valve sizes, connection standards, body materials, sealing materials, pressure ratings, logo marking, packaging, and special design solutions according to customer drawings and technical requirements.
Our products are manufactured under strict quality management systems and come with complete valve industry certifications, including ISO9001 quality management certification, CE/PED certification, API standards, and other international certifications available according to customer requirements.
We provide professional OEM and customized manufacturing services for distributors, engineering companies, and industrial equipment manufacturers worldwide.
Customization Options Include:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Stainless Steel Threaded Check Valve |
| Valve Type | Threaded Check Valve / Non-Return Valve |
| Connection Type | Female Thread / Male Thread Optional |
| Thread Standard | NPT, BSP, BSPT, G Thread, Customized |
| Nominal Size | DN6-DN100 (1/4"-4") |
| Pressure Rating | PN10-PN63 / Class 150-Class 600 |
| Body Material | Stainless Steel 304 / 316 / 316L |
| Disc Material | Stainless Steel / Customized |
| Seat Material | PTFE, NBR, EPDM, Metal Seat Optional |
| Structure Type | Spring Check / Lift Check / Swing Check Optional |
| Working Temperature | -20℃ to +200℃ (Depending on Materials) |
| Applicable Medium | Water, Oil, Gas, Steam, Chemical Fluids |
| Flow Direction | One-Way Flow |
| Sealing Performance | Excellent Anti-Backflow Sealing |
| Installation Position | Horizontal or Vertical Installation (According to Design) |
| Design Standard | API, DIN, GB, ANSI Standards |
| Inspection Standard | API 598 / ISO 5208 |
| Surface Treatment | Polishing, Passivation, Customized Surface Finish |
| Operation Method | Automatic Fluid Pressure Control |
| OEM Capability | Customized Size, Material, Logo, Packaging |
| Certification | ISO9001, CE, PED, API and Other Certifications Available |
Industry Applications
The Stainless Steel Threaded Check Valve is widely used in industries requiring reliable one-way flow control and protection against reverse flow.
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
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