Valve Sleeve Type Blowdown Valve
Nominal Diameter: 2" ~ 12"
Nominal Pressure: 150 ~ 1500 lb
Mediums: Water, steam, oil, gas
Temperature Range: ≤ 650°C
Valve Sleeve Type Blowdown Valve
The Valve Sleeve Type Blowdown Valve is a specialized industrial valve designed for high-pressure and high-temperature systems in power generation, petrochemical, and industrial plants. Its unique sleeve-type design provides reliable blowdown, sampling, and drainage while minimizing water hammer, cavitation, and wear.
This valve is ideal for steam boiler blowdown, condensate drainage, and sampling in critical piping systems. It ensures precise control of high-pressure fluids, enhances operational safety, and reduces maintenance requirements. Constructed from high-quality carbon steel, stainless steel, or alloy steel, it withstands corrosive, erosive, and high-temperature media.
The valve is compliant with API, ANSI, ASME, and international standards and can be customized to meet project-specific requirements for North American and Middle Eastern markets.
We provide full OEM/ODM services to meet client-specific project requirements, regional standards, and operational conditions.
| Customization Item | Options / Scope |
|---|---|
| Valve Size | DN15 – DN200 (½" – 8") |
| Pressure Rating | ANSI/ASME Class 150–2500 |
| Body & Sleeve Materials | Carbon Steel, Alloy Steel, Stainless Steel, Duplex Stainless Steel |
| Seat & Stem Materials | SS304, SS316, Stellite, Alloy Steel |
| Seal Type | Metal-to-Metal, Soft Seal (PTFE, PEEK) |
| End Connections | RF, RTJ, FF, BW, SW |
| Actuation | Manual, Gear, Electric, Pneumatic, Hydraulic |
| Coating & Finish | Epoxy, High-Temperature Paint, C5-M Marine Coating |
| Operating Temperature | Customized per fluid and material |
| Branding | OEM Logo & Nameplate |
| Packaging | Export-standard packaging, anti-corrosion protection |
| Documentation | MTC EN10204 3.1, Hydrostatic Test Reports, Material Traceability |
| Third-Party Inspection | SGS, BV, TÜV, DNV, Lloyd’s Register |
OEM Services Include:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Valve Sleeve Type Blowdown Valve |
| Valve Type | Sleeve Blowdown Valve |
| Operation | Manual, Gear, Electric, Pneumatic, Hydraulic |
| Size Range | DN15 – DN200 (½" – 8") |
| Pressure Rating | ANSI/ASME Class 150–2500 |
| Design Standard | API 602, ASME B16.34, Manufacturer Standard |
| End Connection | RF, RTJ, FF, BW, SW |
| Body Materials | WCB, WC6, WC9, CF8, CF8M, Duplex Stainless Steel |
| Sleeve/Seat Material | SS304, SS316, Alloy Steel, Stellite |
| Stem Material | Stainless Steel |
| Sealing Type | Metal-to-Metal, Optional Soft Seal |
| Operating Temperature | Up to 600°C (1112°F) |
| Testing Standard | API 598, ISO 5208 |
| Leakage Class | API 598 Class IV / V |
| Applicable Media | Steam, Condensate, Water, Thermal Oil, Non-Corrosive & Corrosive Fluids |
| Flow Type | Blowdown, Sampling, Drainage |
| Actuator Options | Manual, Gear, Electric, Pneumatic, Hydraulic |
Industry Applications
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%.
