Insulation check valve
The Insulation Check Valve combines reliable backflow prevention with an integrated insulation jacket to minimize heat loss and maintain medium temperature. Designed for steam, thermal oil, asphalt, and viscous fluid applications, it delivers excellent sealing performance, energy efficiency, corrosion resistance, and long-term operational reliability.
Insulation check valve
The Insulation Check Valve is specifically designed for pipeline systems requiring both backflow prevention and temperature retention. Featuring an external insulation jacket, the valve allows steam, thermal oil, hot water, or other heating media to circulate around the valve body, effectively reducing heat loss and preventing medium solidification.
Manufactured from high-quality materials and precision-engineered components, the valve offers reliable sealing, low pressure loss, and extended service life. It is widely used in petroleum, chemical processing, thermal power plants, food processing, and pharmaceutical industries.
As a professional valve manufacturer, we provide complete OEM and ODM solutions tailored to customer requirements.
Our insulation check valves are manufactured under strict international quality control systems and comply with:
Insulation check valve
| Parameter | Specification |
|---|---|
| Product Name | Insulation Check Valve |
| Valve Type | Insulated Non-Return Valve |
| Size Range | DN15 – DN600 |
| Pressure Rating | PN16, PN25, PN40, PN64 |
| Body Material | Carbon Steel, Cast Steel, Stainless Steel, Alloy Steel |
| Disc Material | Stainless Steel, Alloy Steel |
| Seat Material | Metal Seat, PTFE, Graphite |
| Connection Type | Flanged, Welded, Threaded |
| Insulation Medium | Steam, Thermal Oil, Hot Water |
| Operating Temperature | -29°C to +450°C |
| Applicable Medium | Steam, Thermal Oil, Asphalt, Heavy Oil, Chemicals |
| Leakage Class | ANSI/FCI 70-2 Class VI |
| Design Standard | API, ANSI, DIN, GB |
| Surface Treatment | Painting, Polishing, Anti-Corrosion Coating |
| Installation Position | Horizontal or Vertical |
Insulation check valve
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%.
