Special material flat gate valve
The Special Material Flat Gate Valve is manufactured from premium alloys and corrosion-resistant materials to withstand aggressive media, extreme temperatures, and high-pressure environments. Designed for critical industrial applications, it ensures dependable shut-off performance, reduced maintenance costs, and long-term reliability in chemical processing, offshore, oil & gas, and power generation systems.
Special material flat gate valve
The Special Material Flat Gate Valve is specifically designed for severe operating conditions where conventional carbon steel valves cannot meet performance requirements. Available in stainless steel, duplex stainless steel, super duplex stainless steel, titanium, Monel, Hastelloy, Inconel, and other special alloys, the valve provides outstanding resistance to corrosion, erosion, sulfide stress cracking, and high-temperature oxidation.
Its full-port flat gate design minimizes pressure loss while delivering reliable bi-directional sealing. The valve is suitable for highly corrosive fluids, sour gas service, seawater systems, high-temperature steam, and demanding chemical process applications.
As a professional industrial valve manufacturer, we provide comprehensive OEM and ODM services tailored to specific project requirements.
Our Special Material Flat Gate Valves are manufactured and tested according to international standards.
Special material flat gate valve
| Parameter | Specification |
|---|---|
| Product Name | Special Material Flat Gate Valve |
| Nominal Size | DN50 – DN1200 (2" – 48") |
| Pressure Rating | PN16 – PN420 |
| ANSI Class | Class 150 – Class 2500 |
| Body Material | Duplex SS, Super Duplex SS, Titanium, Monel, Hastelloy, Inconel |
| Gate Material | Special Alloy Steel |
| Seat Material | Metal Seat / Soft Seat |
| Connection Type | Flanged, Butt Welded |
| Operation | Manual, Electric, Pneumatic, Hydraulic |
| Temperature Range | -196°C to +650°C |
| Sealing Type | Bi-directional Sealing |
| Leakage Standard | API 598 / ISO 5208 Class A |
| Design Standard | API 6D, API 600, ASME B16.34 |
| NACE Compliance | Available |
| Applicable Media | Seawater, Sour Gas, Acids, Alkalis, Steam, Chemicals |
Special material flat gate valve
Suitable for offshore platforms, subsea systems, sour gas pipelines, refinery units, and high-pressure transmission systems.
Used in highly corrosive chemical processing systems involving acids, solvents, hydrocarbons, and specialty chemicals.
Ideal for seawater desalination plants, offshore production facilities, FPSO systems, and marine fluid handling networks.
Applied in high-temperature steam systems, nuclear auxiliary systems, and critical power plant process lines.
Handles aggressive media such as sulfuric acid, hydrochloric acid, caustic soda, and corrosive industrial fluids.
Suitable for corrosive slurry transportation, mineral processing plants, and harsh extraction environments.
Available with cryogenic design for LNG terminals, low-temperature storage systems, and gas processing facilities.
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%.
