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Blow-Thru Rotary Airlock Valve

Blow-Thru rotary airlock valves are ideal for the Pneumatic Conveying of free-flowing material in food, grain, chemical, milling, baking, plastics and pharmaceutical applications.
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Blow-Thru Rotary Airlock Valve Features 


Blow-thru Rotary Airlocks meet the specific needs of the pneumatic conveying industry, a natural extension to the Rotary Airlock; both products are used to regulate the flow of dry powder, dust or granular product, while maintaining an airlock..


Application Characteristics Of “Speed" Blow-Thru Airlock Valve


  The design of the “Speed" Blow-Thru Airlock makes installation possible in low headroom applications and retrofits of existing rotary valves. Also, like all “Speed"  Rotary Airlock Valves, the blow through design features an innovative, larger vane pocket design. The larger rotary vane pockets allow up to 50% more volume which enables the rotor to run at lower speeds than other manufacturers’ rotary airlock and valve feeders which increases efficiency and equipment life. These features provide you with a blow through rotary airlock valve that has minimum air leakage, a longer life, less maintenance and a higher return on investment.

This is achieved by the fact that more blades are in contact for longer periods with the valve body resulting in less air leakage – and by blowing through the rotor each rotor pocket is efficiently emptied.

The “Speed" range of blow-thru airlocks is robustly constructed with an emphasis on close tolerances and minimal eccentricities, making the unit suitable for the majority of pneumatic conveying applications and is available is sizes ranging from 3" up to 20".

Blow-Thru Rotary Airlock Valves are designed and manufactured specifically for applications that require discharging into a pneumatic conveying line. These Airlocks are ideal for free-flowing materials that require some assistance in clearing the rotor vane pockets.


Other Ftandard Features


such as a precision casting, CNC machining, compact design and universal mounting flanges allow for a versatile material handling rotary airlock valve product that can fit virtually every existing bolt hole pattern and replace any existing rotary valve. 


Size Chart



图片1

type


Volume/rotation

 Installation dimension

ΦA

ΦB

ΦC

A1

B1

C1

E

Motor

Speed

temperature

L

n-Φ (mm)

2type

2L/T

240

200

150

240x240

200

150x150

320

BWD0-0.75-59

24

280

450

8-Φ11

4type

4L/T

280

240

180

270x270

230

180x180

350

BWD0-0.75-59

24

280

480

8-Φ11

6type

6L/T

300

260

200

290x290

250

200x200

370

BWD0-0.75-59

24

280

500

8-Φ11

8type

8L/T

320

280

220

310x310

270

220x220

380

BWD0-0.75-59

24

280

520

8-Φ11

10type

10L/T

340

300

240

330x330

290

240x240

380

BWD0-0.75-59

24

280

540

8-Φ11

12type

12L/T

360

320

260

350x350

310

260x260

440

BWD1-0.75-59

24

280

560

8-Φ17

14type

14L/T

380

340

280

370x370

330

280x280

450

BWD1-1.1-59

24

280

580

8-Φ17

16type

16L/T

400

360

300

400x400

350

300x300

460

BWD1-1.5-59

24

280

600

8-Φ17

18type

18L/R

420

380

320

420x420

370

320x320

480

BWD1-1.5-59

24

280

620

8-Φ17

20type

20L/T

440

400

340

440x440

390

340x340

500

BWD1-1.5-59

24

280

640

8-Φ17

26type

26L/T

500

460

400

510x510

450

400x400

530

BWD2-2.2-59

24

280

700

12-Φ17

30type

30L/T

560

500

440

550x550

495

440x440

550

BWD2-3-59

24

280

760

12-Φ17

40type

40L/T

620

558

500

620x620

558

500x500

560

BWD2-4-59

24

280

820

12-Φ17

50type

50L/T

650

600

540

650x650

600

540x540

580

BWD4-4-59

24

280

850

12-Φ17

Configuration Available for Quick Shipment


Low height – easy retrofit into competitive airlock spaces

Temperatures up to 716°F

pressure:0.2Mpa

Custom drilled flanges for customer’s pattern at no charge

Dust Collector Rotary Airlock Valve Options

Beveled Rotor Tips – Increases operating efficiency by minimizing drag and horsepower.

Motion Switch – A non-contact sensor that indicates loss of speed or zero speed, preventing damage to system components

Motor – For use in hazardous environments.

Flexible Rotor Tips – For handling stringy or fibrous products that cause conventional rotors to jamb


Cast Iron Rotary valve Construction


Universal flanges allows for custom drilled flanges to your pattern

(1) Sealed outboard bearings – lubricated for life

(2) “Speed” exclusive, Self-adjusting packing gland assemblies

six-blade rotors standard (choice of speed)

Blow-Thru Rotary Airlock Valve Benefits

Reduced Downtime and Maintenance costs

Can operate in temperatures up to Maximum working temperature: 380 ℃

Working pressure: 0.2Mpa

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