
Square Flange Flow Control Uniform Discharge Stainless Steel Valve Accept Customization
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Why choose this model
Stable discharge: continuous and quantitative powder or granular material feeding.
Airlock performance: designed for silo unloading, dust collection and conveying lines.
Custom material: stainless steel with sealing and surface treatment options.
Typical applications
Cement and building materials
Chemical powder and new materials
Grain, feed and food processing
Dust collection and silo discharge
Positive pressure or gravity conveying systems
Selection parameter table
| Volume/rotation | Motor kW | Speed r/min | Temp C | Weight kg | A | B | C | A1 | B1 | C1 | H | L | Hole |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 L/rev | 0.75 | 24 | 280 | 75 | 240 | 200 | 150 | 240x240 | 200 | 150x150 | 240 | 850 | 8-phi11 |
| 4 L/rev | 0.75 | 24 | 280 | 105 | 280 | 240 | 180 | 270x270 | 230 | 180x180 | 280 | 900 | 8-phi11 |
| 6 L/rev | 0.75 | 24 | 280 | 110 | 300 | 260 | 200 | 290x290 | 250 | 200x200 | 300 | 930 | 8-phi11 |
| 8 L/rev | 0.75 | 24 | 280 | 125 | 320 | 280 | 220 | 310x310 | 270 | 220x220 | 320 | 950 | 8-phi11 |
| 10 L/rev | 1.1 | 24 | 280 | 135 | 340 | 300 | 240 | 330x330 | 290 | 240x240 | 340 | 1000 | 8-phi13 |
| 12 L/rev | 1.1 | 24 | 280 | 140 | 360 | 320 | 260 | 350x350 | 310 | 260x260 | 360 | 1030 | 8-phi17 |
| 14 L/rev | 1.1 | 24 | 280 | 160 | 380 | 340 | 280 | 370x370 | 330 | 280x280 | 380 | 1050 | 8-phi17 |
| 16 L/rev | 1.1 | 24 | 280 | 180 | 400 | 360 | 300 | 400x400 | 350 | 300x300 | 400 | 1080 | 8-phi17 |
| 18 L/rev | 1.5 | 24 | 280 | 195 | 420 | 380 | 320 | 420x420 | 370 | 320x320 | 420 | 1100 | 8-phi17 |
| 20 L/rev | 1.5 | 24 | 280 | 210 | 440 | 400 | 340 | 440x440 | 390 | 340x340 | 440 | 1150 | 8-phi17 |
| 26 L/rev | 2.2 | 24 | 280 | 310 | 500 | 460 | 400 | 510x510 | 450 | 400x400 | 520 | 1300 | 12-phi17 |
| 30 L/rev | 3 | 24 | 280 | 350 | 560 | 500 | 440 | 550x550 | 495 | 440x440 | 550 | 1350 | 12-phi17 |
| 40 L/rev | 3 | 24 | 280 | 450 | 620 | 558 | 500 | 620x620 | 558 | 500x500 | 620 | 1500 | 12-phi17 |
| 50 L/rev | 3 | 24 | 280 | 500 | 650 | 600 | 540 | 650x650 | 600 | 540x540 | 650 | 1600 | 12-phi17 |
Square flange layouts can be customized. Use this table as a volume and drive selection reference; confirm square flange drawing before order.
Selection information to confirm
Material name, particle size, bulk density, moisture and temperature.
Required capacity, pressure difference, conveying method and installation direction.
Body material, seal material, flange standard, actuator type and control requirement.
Special requirements such as wear resistance, high temperature, explosion-proof motor or inner coating.
Rotary Valve Solutions by Industry
Explore material-handling requirements and recommended FUWEI rotary valve configurations for your industry.
Send your requirement to FUWEI
Tell us your material, capacity, pressure, temperature and flange standard. Our engineer will help select the suitable model.
Selection & Application FAQ
This square flange stainless steel rotary valve is built for precise discharge, easy installation and reliable sealing in customized powder transfer lines.
Why use a square flange rotary valve?
Square flange designs are often selected for hopper outlets, bins and compact discharge points where the upstream opening is rectangular or square.
Can it be used for food or chemical powder?
Yes, stainless steel construction can support food, chemical and pharmaceutical powders when the sealing and surface finish are specified correctly.
What customization is available?
FUWEI can customize flange size, rotor type, inlet height, discharge direction, motor brand and explosion-proof options.



























