Bimetallic drain valve
The Bimetallic Drain Valve is an automatic temperature-controlled drainage valve designed to discharge condensate and non-condensable gases from steam systems while minimizing steam loss. It uses a bimetallic element that reacts to temperature changes, automatically opening and closing the valve according to the condensate temperature, ensuring efficient drainage and stable system operation.
Bimetallic drain valve
This valve features a compact design, excellent temperature response, reliable sealing performance, corrosion resistance, and strong adaptability to changing working conditions. It is especially suitable for steam pipelines, heating equipment, and industrial process systems requiring effective condensate management.
We provide professional OEM manufacturing and customization services, including customized valve sizes, body materials, pressure ratings, connection standards, temperature control ranges, bimetallic element designs, sealing materials, surface treatments, logo marking, and packaging solutions. Our technical team can develop customized products according to customer drawings, operating conditions, and application requirements.
All products are manufactured under strict quality control systems and are supplied with complete valve industry certifications, including material certificates, pressure test reports, quality inspection documents, and other compliance certifications required for global markets.
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Bimetallic Drain Valve |
| Valve Type | Bimetallic Temperature Controlled Drain Valve / Steam Trap |
| Operation Method | Automatic Thermal Control |
| Working Principle | Bimetallic Element Thermal Expansion Control |
| Valve Body Material | Stainless Steel / Carbon Steel / Cast Steel / Customized |
| Bimetallic Element Material | Special Alloy Bimetallic Strip / Customized |
| Internal Components Material | Stainless Steel / Corrosion Resistant Alloy |
| Connection Type | Threaded / Flanged / Socket Weld / Customized |
| Connection Standard | ANSI / DIN / JIS / BSP / NPT |
| Nominal Size | DN15–DN100 (Customized Available) |
| Pressure Rating | PN16–PN63 |
| Maximum Working Pressure | Up to 6.3 MPa (According to Design Requirements) |
| Working Temperature | -20°C to +400°C (Customized Available) |
| Applicable Medium | Steam, Condensate, Hot Water |
| Temperature Control Range | Adjustable / Customized According to Requirements |
| Drainage Mode | Automatic Condensate Discharge |
| Air Discharge Capability | Automatic Removal of Non-condensable Gases |
| Sealing Material | PTFE / Graphite / EPDM / NBR / Customized |
| Installation Method | Horizontal / Vertical Installation According to Model |
| Leakage Performance | High Tightness, Reduced Steam Loss |
| Surface Treatment | Polishing / Anti-corrosion Coating / Customized |
| OEM Capability | Customized Size, Material, Structure, Temperature Range, Logo, Packaging |
| Inspection Standard | Pressure Test, Leakage Test, Thermal Performance Test |
| Certifications | ISO Quality System, Material Certificate, Pressure Test Certificate, Industry Compliance Documents |
Industry Applications
The Bimetallic Drain Valve is widely used in industrial systems requiring automatic condensate drainage and temperature control, including:
Key Advantages:
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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