Pneumatic sector blind valve
The Pneumatic Sector Blind Valve is an advanced pipeline isolation valve designed for safe, efficient, and automated flow isolation in industrial piping systems. Also known as a pneumatic spectacle blind valve or pneumatic line blind valve, it uses a pneumatic actuator to quickly switch between open and closed positions, providing reliable isolation and improved operational efficiency.
Compared with traditional manual blind plates, the pneumatic sector blind valve offers faster operation, remote control capability, and enhanced safety during pipeline maintenance and process switching. The visible sector plate design clearly indicates the valve status, ensuring safe and reliable pipeline management.
Manufactured with high-quality materials and precision machining technology, the valve provides excellent sealing performance, corrosion resistance, and long service life. It is widely used in oil & gas, petrochemical, chemical, power generation, and industrial pipeline systems requiring automatic positive isolation.
Pneumatic sector blind valve
We provide professional OEM and ODM manufacturing services to deliver customized pneumatic sector blind valve solutions for different industrial applications.
Our Pneumatic Sector Blind Valves are manufactured under strict quality management systems and comply with international valve industry standards.
Each valve is tested to ensure fast operation, reliable isolation, and long-term performance in critical pipeline systems.
Parameter Specifications
| Item | Specification |
|---|---|
| Product Name | Pneumatic Sector Blind Valve |
| Alternative Name | Pneumatic Spectacle Blind Valve / Pneumatic Line Blind Valve |
| Valve Type | Pipeline Isolation Valve |
| Operation Method | Pneumatic Actuation |
| Application Medium | Gas, Oil, Water, Chemical Fluids, Industrial Media |
| Valve Function | Automatic Positive Isolation and Shut-Off |
| Structure Type | Sector Plate / Spectacle Blind Design |
| Nominal Size | DN50–DN2000 (Customized Available) |
| Connection Type | Flanged Connection |
| Flange Standard | ANSI / DIN / JIS / GB |
| Valve Body Material | Carbon Steel / Stainless Steel / Alloy Steel |
| Blind Plate Material | Stainless Steel / Carbon Steel |
| Sealing Material | PTFE / Graphite / Metal Seal / Customized |
| Actuator Type | Pneumatic Single Acting / Double Acting |
| Air Supply Pressure | 0.3–0.8 MPa |
| Working Pressure | PN10–PN420 / Class 150–2500 (Customized) |
| Operating Temperature | -196℃ to +500℃ (Customized Available) |
| Control Mode | Pneumatic / Remote Control / PLC Integration |
| Switching Time | Fast Automatic Switching |
| Leakage Performance | Zero Leakage Isolation Design |
| Installation Position | Horizontal / Vertical Pipeline Installation |
| Protection Grade | IP65 / IP67 (Optional) |
| Surface Treatment | Anti-Corrosion Coating / Customized |
| Service Life | Long Service Life Design |
| Certification | ISO, CE, API, EN Standards |
| OEM Service | Size, Material, Structure, Actuator, Logo, Packaging Customization |
Industry Applications
The Pneumatic Sector Blind Valve is widely used in industries requiring automated pipeline isolation and safe maintenance operations.
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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