Double flap damper

Usage illustration

  • For removal of dust collector or cyclone
  • Non-sliding and valve plate (metal touch) and valve seat (rubber seal) touch alternatively and maintains high seal
    (abrasion+high temperature(More than 100℃ also possible)
  • Wide line-up up to 100A~500A(JIS5KFF, 10KFF possible)

Actual result

  • Battery, chemicals, food items etc

Specifications

Model / Caliber diameter Discharge quantity (Theoretical value) Standard application
cylinder diameter(φ)
Approx. weight
(Kg)
Per 1 cycle (ℓ) Per hour (㎥/Hr)
WDA-100 0.8 0.48 50 50
WDA-150 2.0 1.2 63 80
WDA-200 4.5 2.7 80 110
WDA-250 8.6 5.2 80 140
WDA-300 11.0 6.6 100 180
WDA-350 20.0 12.0 100 240
WDA-400 32.0 19.2 125 300
WDA-450 43.0 25.8 125 370
WDA-500 56.0 33.6 140 480

Structural diagram

Seal structure (valve seat, valve plate)

Valve plate, open-close timing table

Dimension diagram

Flange type Round flange type Square flange type         Unit: mm
Model φA φB P.C.D n-φd □A □B C×P n-φd H E F G I
WDA-100 100 200 165 8-19 100 200 55×3 12-14 560 210 183 285 190
WDA-150 150 265 230 8-19 150 250 70×3 12-14 760 225 205 320 225
WDA-200 200 320 280 8-23 200 300 85×3 12-14 840 250 220 350 250
WDA-250 250 385 345 12-23 250 350 103×3 12-14 940 280 235 380 320
WDA-300 300 430 390 12-23 300 400 120×3 12-14 1,000 330 250 415 370
WDA-350 350 480 435 12-25 350 450 82×5 20-14 1,080 385 295 450 400
WDA-400 400 540 495 16-25 400 500 92×5 20-14 1,140 450 350 490 430
WDA-450 450 605 555 16-25 450 550 102×5 20-16 1,240 485 420 530 460
WDA-500 500 655 605 20-25 500 600 112×5 20-16 1,360 520 490 555 490

*In round flange type, JIS 5㎏/㎤ flange is standard.(Upper part would be attached with screw).
*Special flange also possible.

Sanitary flap damper

Features

  • By opening the side inspection port, valve mechanism can be taken out integrally
  • Case inside is not disturbed by the valve and can be cleaned easily
  • Standard size is 150A,200A,250A,300A

Actual result

  • Food items, drugs, chemicals etc.