• 

Available in 6 square-flange sizes from 150mm to 400mm;
and 6 heights, from 300mm to 640mm

• 

304, 316,304L,316L cast stainless steel valve housing 
and endplate

Standard Valves manufactured in Stainless Steel 304

• 

6 vane, 10 vane or 12 vane rotor.

Drilled flanges in accordance with GB PN10, ANSI 150#,
DIN PN10, JIS10K

• 

Replaceable rotor wear tips

Close vane tolerances ensure high sealing and feeding
efficiency and minimum air leakage

• 

Rotor design: close ended, scalloped , radius pocket,
and adjustable-tip

Outboard bearings are standard and a full range of
shaft seal options is available

• 

Interior coatings: hard chrome, tungsten, and Teflon

Excellent performance in high-temperature applications
up to 250°C, 480oF

• 

Air purge shaft sealing

Pressure differentials up to 1.5bar (21PSI).

• 

Valve housing vent ports.

Open ended rotor with 8 vans

• 

Accessories: Drop-out box, speed monitor, vent box,
Air purge regulation station.

A

B

C

D

H1

H2

H3

E

H

F

G

Y

*Z

RFS 150

4

150

220

260

8 x Ø 22

60

279

8 x Ø 22.2

15

320

245

265

37.5

1"

RFS 200

10

200

280

320

8 x Ø 22

80

343

8 x Ø 22.2

15

380

275

305

55

1¼"

RFS 250

18

250

330

380

8 x Ø 22

25

406

8 x Ø 25.4

18

440

322

355

65

1¼"

RFS 300

30

300

390

440

8 x Ø 22

25

483

8 x Ø 25.4

23

520

365

405

85

1¼"

RFS 350

45

350

450

510

8 x Ø 22

30

533

8 x Ø 28.6

25

580

403

445

90

1½"

RFS 400

65

400

500

560

8 x Ø 24

30

597

8 x Ø 28.6

25

640

433

475

105

1½"

  *Note: Technical modification are possiblem dimensions in mm