Z43F Flat gate valve
The Z43F Flat Gate Valve is designed for minimal-flow-resistance and precise shut-off in water, oil, gas, and steam pipelines. Featuring a flat gate and robust body, it offers long service life, easy maintenance, and stable operation, suitable for power plants, petrochemical, water treatment, and industrial processing.
Flat gate valve
The Z43F Flat Gate Valve is a full-port isolation valve featuring a flat gate design for low-resistance flow and reliable sealing. Constructed from carbon steel, stainless steel, or alloy steel, it withstands high pressure, temperature, and corrosive media. Its simple structure ensures easy installation, operation, and maintenance.
Key Advantages:
Flat gate valve
| Parameter | Specification |
|---|---|
| Product Name | Z43F Flat Gate Valve |
| Nominal Size | DN50 – DN1200 (2" – 48") |
| Pressure Rating | PN10 – PN420 / Class 150–2500 |
| Body Material | Carbon Steel, Stainless Steel, Alloy Steel |
| Gate Material | Stainless Steel, Duplex Steel, Coated Steel |
| Connection Type | Flanged, Butt Weld, Socket Weld |
| Operation | Manual, Electric, Pneumatic, Hydraulic |
| Temperature Range | -29°C to +550°C |
| Sealing Type | Metal-to-Metal / Soft Seal |
| Leakage Class | ISO 5208 Class A |
| Design Standard | API 600, API 6D, ASME B16.34 |
| Testing Standard | API 598 |
| Applicable Media | Water, Steam, Oil, Gas, Chemicals |
Flat gate valve
Steam and water pipelines, feedwater systems, turbine isolation, cooling systems.
Crude oil, refined products, natural gas pipelines, refinery systems.
Corrosive and non-corrosive chemical pipelines, process lines, storage systems.
Drinking water pipelines, wastewater treatment, desalination, irrigation.
Food & beverage, pulp & paper, textile, manufacturing requiring tight shut-off and low pressure drop.
Hot and cold water distribution, district heating, industrial cooling pipelines.
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%.
