
Stainless Steel Rotary Airlock Valve Manufacturer
Stainless steel rotary airlock valve for controlled powder feeding and conveying systems. See specifications, material options and selection requirements.
0Stainless steel rotary airlock valve for controlled powder feeding and conveying systems. See specifications, material options and selection requirements.
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.
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
| Model | Volume/rotation | A | B | C | L | H | D1 | D2 | D3 | b1 | b2 | h | M | N | S | F | d | Hole |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.8L | 2.8L/r | 165 | 120 | 190 | 180 | 140 | 120 | 190 | 160 | 620 | 260 | 360 | 120 | 150 | 315 | 45 | 25 | 4-phi9 |
| 5L | 5L/r | 190 | 140 | 220 | 210 | 160 | 150 | 220 | 190 | 650 | 300 | 400 | 140 | 180 | 345 | 45 | 25 | 4-phi9 |
| 7L | 7L/r | 255 | 160 | 250 | 230 | 175 | 170 | 240 | 210 | 710 | 330 | 430 | 175 | 200 | 365 | 45 | 25 | 4-phi9 |
| 9L | 9L/r | 250 | 190 | 275 | 255 | 190 | 190 | 260 | 235 | 740 | 360 | 460 | 200 | 220 | 385 | 45 | 25 | 4-phi9 |
| 12L | 12L/r | 275 | 210 | 310 | 275 | 205 | 210 | 270 | 255 | 780 | 380 | 510 | 220 | 240 | 410 | 45 | 25 | 6-phi11 |
| 16L | 16L/r | 310 | 250 | 340 | 320 | 225 | 250 | 320 | 300 | 840 | 410 | 550 | 260 | 280 | 430 | 45 | 25 | 6-phi11 |
| 25L | 25L/r | 345 | 270 | 390 | 320 | 225 | 240 | 320 | 280 | 860 | 410 | 550 | 260 | 260 | - | - | - | 6-phi11 |
Dimensions are restored from the catalog image; final flange and hole pattern can be confirmed by project drawing.
| Model | Volume/rotation | A | B | C | L | H | D1 | D2 | D3 | b1 | b2 | h | M | N | S | F | d | Hole |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6L | 6L/r | 165 | 120 | 190 | 180 | 140 | 120 | 190 | 160 | 620 | 260 | 360 | 120 | 150 | 315 | 45 | 25 | 4-phi9 |
| 8L | 8L/r | 190 | 140 | 220 | 210 | 160 | 150 | 220 | 190 | 650 | 300 | 400 | 140 | 180 | 345 | 45 | 25 | 4-phi9 |
| 10L | 10L/r | 255 | 160 | 250 | 230 | 175 | 170 | 240 | 210 | 710 | 330 | 430 | 175 | 200 | 365 | 45 | 25 | 4-phi9 |
| 12L | 12L/r | 250 | 190 | 275 | 255 | 190 | 190 | 260 | 235 | 740 | 360 | 460 | 200 | 220 | 385 | 45 | 25 | 4-phi9 |
| 16L | 16L/r | 275 | 210 | 310 | 275 | 205 | 210 | 270 | 255 | 780 | 380 | 510 | 220 | 240 | 410 | 45 | 25 | 6-phi11 |
| 24L | 24L/r | 310 | 250 | 340 | 320 | 225 | 250 | 320 | 300 | 840 | 410 | 550 | 260 | 280 | 430 | 45 | 25 | 6-phi11 |
| 25L | 25L/r | 345 | 270 | 390 | 320 | 225 | 240 | 320 | 280 | 860 | 410 | 550 | 260 | 260 | - | - | - | 6-phi11 |
GF series follows the catalog dimension structure with different per-turn volume range.
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.
Explore material-handling requirements and recommended FUWEI rotary valve configurations for your industry.
Tell us your material, capacity, pressure, temperature and flange standard. Our engineer will help select the suitable model.
This stainless steel rotary airlock valve is suitable for clean powder and granule discharge where corrosion resistance, stable sealing and customized dimensions are required.
Choose stainless steel when the material is corrosive, moisture-sensitive, food-related or requires cleaner contact surfaces than cast iron or carbon steel.
Send capacity, bulk density, particle size, temperature, pressure difference, flange size, motor direction and installation space.
Yes. FUWEI supports OEM and ODM customization for material, flange, rotor clearance, sealing method, motor power and surface treatment.

FUWEI is committed to integrity, quality and customer satisfaction, and to serving both new and long-standing customers.
E-mail: cicicai1771@gmail.com
Mobile: 0086-13401358068
Tel: 0086-519-83686111
WhatsApp: +86-13401358068
Add: No. 58, Panzhuang Village, Jiaze Town, Changzhou City, Jiangsu Province