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Oddball Rotary Valves

Oddball Rotary Valve
Oddball Rotary Valve

Key Features

  • Maximum number of blades in contact with body at one time without affecting throughput.
  • Good throat opening at valve entry allowing for high pocket filling efficiency.
  • Minimum clearance at rotor tips and sides with body.
  • Robust body adequately stiffened to prevent distortion.
  • Heavy shaft diameters minimising deflection.
  • Outboard bearings for on-contamination.
  • Packing gland type seals.
  • Maximising valve speed to 25 RPM prolonging life, ensuring good throughput.
  • Precision machining of components.
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Oddball Rotary Valves are Rotolok’s range of special sized Rotary Valves. However, Rotolok manufactures even more than are listed here, including some round inlets to square outlets and the range is continuously being extended. For our standard size valves please refer to our Rotary Valves/Airlocks page.

If you require a special valve that does not appear here please contact our sales office as we may design and manufacture to your requirements.

  • Body

    Cast Iron, Stainless Steel or Aluminium precision bored

  • End Covers

    Cast Iron, Stainless Steel or Aluminium spigot located in body for concentricity

  • Bearings

    Generally sealed-for-life-ball type rigged outboard or high temperature type above 250°C

  • Rotor

    Fabricated Mild or Stainless Stee

  • Shaft Seal

    Gland type with PTFE packing

  • Drive

    TEFC geared motor unit side wall mounted to valve body and complete with taper lock sprockets chain drive all in an enclosed guard.

  • Quick Release Rotors
  • Direct Coupled Drives
  • Air Purge Glands
  • Body Vents
  • Dropout Boxes
  • V.S. Drives
  • Speed Switches
  • Flame-proof Motors
  • Shear plate Deflectors
  • Electroless Nickel Plating
  • Hard Chrome Internals etc.
Rectangular Oddball Rotary Valve Technical Drawing Rectangular Oddball Rotary Valve Dimensions Drawing

All dimensions are in mm unless otherwise stated

NOMINAL INLET SIZE A A1 B B1 C D E G K L M N P Q R S T V W X AB AC AD AE AF M3/REV
80 x 300 80 300 150 330 10 85 170 249 310 268 28 6 11 8 7 1 114 2 127 0.0035
100 x 100 102 102 171 171 10 95 190.5 146 196 165 25 87 4 12 8 7 1 146 1 146 101 90 152 M10 20 0.0016
100 x 150 102 152 164 212 10 121 241 185 246 204 28 126 8 10 8 7 O/A O/A O/A O/A 103 127 102 M10 20 0.0054
230 x 230 229 229 305 305 10 132 264 219 280 238 28 133 12 12 8 7 O/A O/A O/A O/A 98 127 102 M10 20 0.0063
125 x 250 127 254 203 312 12 134 267 227 288 246 28 126 12 M8 8 7 O/A O/A O/A O/A 94 110 104 M10 20 0.0075
125 x 300 127 305 203 363 12 134 267 253 314 272 28 126 12 M8 8 7 O/A O/A O/A O/A 94 110 104 M10 20 0.0089
200 x 460 200 460 300 560 15 165 330 329 427 348 35 133 16 14 10 8 O/A O/A 4 130 124 152 178 M10 20 0.016
200 x 600 200 600 300 700 15 165 330 399 460 418 28 150 16 14 8 7 O/A O/A 4 165 94 130 104 M10 20 0.0157
230 x 270 233 270 330 370 16 205 410 247 321 266 40 185 12 12 12 8 3 93 3 107 122 250 300 M12 20 0.0151
350 x 390 356 387 470 502 16 225.5 451 305 365 323 35 194 12 14 10 8 O/A O/A O/A O/A 110 152 178 M10 20 0.0271
300 x 1220 305 1219 419 1372 15 229 457 719 780 738 35 185 28 11 10 8 3 127 O/A O/A 100 152 178 M10 20 0.062
250 x 250 250 250 365 365 14 250 500 263 326 282 40 207 12 14 12 8 3 110 3 110 143 240 290 M16 30 0.0207
250 x 250 254 254 330 330 13 203 406 267 338 287 50 206 8 11 14 9 2 152 2 152 143 248 203 M10 25 0.0272
250 x 350 250 350 350 450 12 240 480 270 329 289 35 220 12 13 10 8 3 104 3 140 97 345 145 M12 20 0.0308
300 x 580 305 578 464 778 25 305 610 429 533 449 50 286 18 18 14 9 3 133 5 143 156 546 330 M16 40 0.0903
460 x 815 460 815 610 965 18 305 610 526 607 545 50 290 18 18 14 9 3 178 6 152 125 415 140 M16 30 0.155
Round Oddball Rotary Valve Technical Drawing Round Oddball Rotary Valves Dimensions Drawing

All dimensions are in mm unless otherwise stated

NOMINAL INLETØ x BORE øA øB C D E G K L øM N O P Q R S AB AC AD AE AF ft3/rev
12.5 x 19 12.7 89 7 53 106 44 74 55 9.5 4 16 60.5 3 3 87 x 10
150 x 170 150 285 12 130 260 198 250 217 28 110 8 22 240 8 7 125 146 100 M10 18 0.11
150 x 200 152 254 8 124 248 174 235 193 28 127 6 11 222 8 7 94 130 104 M10 20 0.167
175 x 210 175 315 12 160 320 220 270 239 28 130 8 22 270 8 7 125 190 100 M10 18 0.218
200 x 260 200 340 12 185 370 255 315 274 28 160 8 22 295 8 7 138 234 125 M12 18 0.423
200 x 250 203 320 12 156 311 219 280 238 28 175 8 10 280 8 7 94 250 104 M10 20 0.394
200 x 300 205 343 19 220 465 260 320 279 35 185 8 22 298 10 8 100 320 140 M16 30 0.75
250 x 310 250 395 15 215 430 280 335 294 32 190 12 18 335 10 8 138 284 125 M10 22 0.705
250 x 310 250 406 15 215 430 280 335 294 32 190 12 25 362 10 8 138 284 125 M10 22 0.705
300 x 380 300 445 16 260 520 330 430 354 50 225 12 22 400 14 9 150 180 125 M12 22 1.33
350 x 450 350 505 21 305 610 365 425 384 50 270 16 22 400 14 9 155 420 125 M12 22 2.216