Flat Gate Valve
Nominal Diameter: 2" ~ 48"
Nominal Pressure: 150 ~ 2500 lb
Mediums: Water, steam, oil, gas, chemicals
Temperature Range: ≤ 800°C
Product Overview
The Flat Gate Valve is a high-performance industrial valve designed for precise isolation in pipelines carrying water, steam, oil, gas, or other process fluids. Its flat-seated gate design ensures reliable sealing, minimal pressure drop, and smooth operation. Constructed with high-quality materials, this valve is suitable for demanding applications, including high-temperature, high-pressure, and corrosive environments.
Flat Gate Valves are widely used in petrochemical, power generation, marine, and industrial systems. They comply with international standards, ensuring compatibility with ANSI, ASME, API, and other globally recognized specifications.
We provide full OEM/ODM services, meeting the exact specifications of industrial clients, including private label branding, custom materials, and regional compliance standards.
| Customization Item | Options / Scope |
|---|---|
| Valve Size | DN15 – DN1200 (½" – 48") |
| Pressure Rating | ANSI/ASME Class 150–2500 |
| Body & Trim Materials | Carbon Steel, Alloy Steel, Stainless Steel, Duplex/ Super Duplex |
| Seat Type | Metal Seat, Soft Seal, Hybrid Designs |
| End Connection | RF, RTJ, FF, BW, SW |
| Actuation | Manual, Gear, Electric, Pneumatic, Hydraulic |
| Coating & Finish | Epoxy, High-Temp Paint, C5-M, Custom Paint |
| Documentation | MTC EN10204 3.1, PMI, RT, UT, Third-Party Inspection |
| Certification | CE, ISO, API, ABS, FM, UL, SIL, TS, EAC |
| Branding | Custom Logo & Nameplate |
| Packaging | Export-standard packaging, anti-corrosion protection |
OEM Services Include:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Type | Flat Gate Valve |
| Valve Design | Flat Gate, Full Bore |
| Connection Type | Flanged, Butt Weld, Socket Weld |
| Size Range | DN15 – DN1200 (½" – 48") |
| Pressure Rating | ANSI/ASME Class 150–2500 |
| Design Standard | ASME B16.34, API 600, BS 1414 |
| Face-to-Face Standard | ASME B16.10 |
| Flange Standard | ASME B16.5, ASME B16.47 |
| Testing Standard | API 598, ISO 5208 |
| Body Materials | WCB, WC6, WC9, C5, C12A, CF8, CF8M, Duplex Stainless Steel |
| Trim Materials | 13Cr, F6a, Stellite, SS304, SS316 |
| Operating Temperature | Up to 600°C (1112°F) |
| Applicable Media | Steam, Water, Oil, Gas, Thermal Oil, Corrosive & Non-Corrosive Fluids |
| Sealing Type | Flat Metal-to-Metal, Optional Soft Seal |
| Operation | Manual, Gear, Electric, Pneumatic |
| Leakage Class | API 598, Class IV / V |
Key Advantages:
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%.
