Note: This gate valve cannot be used for drinking water.
3 inch stainless steel flanged gate valve features an OS&Y (Outside Screw and Yoke) design, allowing easy identification of its position and enhancing its reliability. It is indispensable in maintaining control and reliability in high pressure water systems.
Specification
- Model: ATO-Z41W-DN80
- Connection Type: Flanged Type
- Flanged Port Size: 3 inch (DN80)
- Working Pressure (Optional): CLASS150/300
- Working Temperature: -425℃
- 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 |
3" |
80 |
203 |
190 |
152.5 |
127 |
19 |
4-19 |
400 |
240 |
| CLASS300LB |
3" |
80 |
283 |
210 |
168.5 |
127 |
29 |
8-22 |
410 |
280 |
Tips: What are the advantages of flanged gate valves?
Flanged gate valves offer several advantages in fluid control systems. First, their robust construction ensures durability and reliability in high-pressure and high-temperature applications. The flanged design allows for easy installation and maintenance, facilitating quick removal and replacement without disrupting the entire pipeline. Additionally, flanged connections provide a secure and leak-resistant seal, minimizing the risk of fluid loss. The gate valve's straightforward operation, with a simple open or close mechanism, allows for efficient flow regulation, making it suitable for on/off applications. These valves also exhibit low pressure drops when fully open, optimizing energy efficiency. Overall, the advantages of flanged gate valves include durability, ease of installation and maintenance, secure sealing, efficient flow control, and suitability for demanding industrial conditions.