Note: This gate valve cannot be used for drinking water.
8 inch (DN200) ss flanged gate valve is a crucial component in fluid control systems, particularly in water-related applications. Operating on the OS&Y (Outside Screw and Yoke) mechanism, it ensures reliable performance. Crafted from durable stainless steel, the 200mm flanged gate valve guarantees longevity and corrosion resistance, crucial for water-related environments.
Specification
- Model: ATO-Z41W-DN200
- Connection Type: Flanged Type
- Flanged Port Size: 8 inch (DN200)
- Working Pressure (Optional): CLASS150/300
- Valve Body Material: Stainless Steel
- Applicable Media: Water, Chemical, Petroleum, Gas, etc.
Material for Main Parts
| Valve, Cover, Flap |
Valve Stem |
Sealing Surface |
Gasket (Ring) |
Packing |
Operating Temperature |
Applicable Media |
| WCB |
2Cr13 |
13Cr STL Bulk Material PTFE, Nylon |
Enhanced Flexible Graphite 13Cr/Flexible Graphite SFB-2,08 Mild Steel F304, F316 |
Flexible Graphite Enhanced Flexible Graphite SFB1260 SFP1260 PTFE |
≤420℃ |
Water, Steam and Oil Products |
| WC1 |
38CrMoA1 25Cr12MoV |
≤450℃ |
| WC6 |
≤540℃ |
| WC9 |
≤570℃ |
| C5 C12 |
≤540℃ |
| CF8 |
F304 |
≤600℃ |
Nitric Acid, Acetic Acid, Urea |
| CF3 |
F316 |
| CF8M |
F304L |
| CF3M |
F316L |
Size (Unit: mm)

| Working Pressure |
INCH |
DN |
L |
D |
D1 |
D2 |
b |
n-φd |
H |
D0 |
| CLASS150LB |
8" |
200 |
292 |
343 |
298.5 |
270 |
29 |
8-22 |
800 |
400 |
| CLASS300LB |
8" |
200 |
419 |
381 |
330 |
270 |
41 |
12-25 |
830 |
450 |
Tips: Flanged gate valve applications
Flanged gate valves find diverse applications across industries where reliable fluid control is crucial. Commonly used in water and wastewater treatment plants, these valves are essential for regulating the flow of liquids. They are also employed in oil and gas pipelines, providing a robust solution for on/off isolation in high-pressure systems. In industrial settings, such as chemical and petrochemical plants, flanged gate valves play a pivotal role in controlling the movement of corrosive substances. Their durable construction makes them suitable for use in power generation facilities, where they help manage steam and cooling water flow. Additionally, these valves are integral in HVAC systems, ensuring efficient control of heating and cooling fluids. With their versatility, flanged gate valves offer reliable performance in a range of demanding applications, contributing to the overall efficiency and safety of various industrial processes.