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Sanitary rotary airlock valve

CI Series

Kice’s CI Series sanitary rotary airlock valve delivers hygienic performance in food, dairy, and pharmaceutical processing. Its RotorRail technology and Run-Clean design simplifies inspection and cleaning, helping facilities meet strict industry standards.

  • Sanitary design for food and pharmaceuticals
  • Tool-less rotor access for easy cleaning
  • Smooth internal surfaces to prevent buildup

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Sanitary rotary airlock with RotorRail™ and Run-Clean™ technology

CI Series rotary airlock valve applications

Made for applications that demand absolute cleanliness and repeatability, the CI Series rotary airlock valve is ideal for processing powders, granules, and ingredients in sanitary environments. From food and dairy to pharmaceuticals and fine chemicals, the CI Series airlock provides reliable material control while maintaining hygienic conditions and regulatory compliance.

Standard rotary airlock valve features

Sanitary construction

  • 304 or 316 stainless steel housing to eliminate pits and dimples
  • No. 4 sanitary finish for all contact surfaces
  • Crevice-free internal design preventing material buildup

Easy cleaning and inspection

  • RotorRail technology for precise alignment during disassembly and reassembly
  • Tool-less access to rotor for fast cleaning and validation
  • Run-Clean design with angled surfaces and rounded edges to reduce buildup

Reliable airlock performance

  • Excellent performance up to 15 PSIG and up to 500°F
  • CNC-machined components with tight tolerances
  • Outboard-bearing protection against heat and contamination

Optional rotary airlock valve configurations

Custom materials and finishes

  • Housing options: 304, 304L, 316, 316L, or 2205 stainless steel
  • Interior coatings: hard chrome, tungsten, nickel, or epoxy
  • Rotor finishes: closed-end, metering, shallow-pocket, adjustable-tip, or Teflon® coating

Airlock rotor and seal options

  • Adjustable rotor tips in bronze, hardened steel, or stainless steel
  • Shaft seal options: glandless Teflon® seal or packing gland
  • Valve housing vent ports and round flange configurations

Airlock design and drive options

  • Multiple valve heights: 10”–44”
  • Multiple square-flange sizes: 6”–18”
  • Available with 6-, 8-, 10-, or 12-vane rotors
  • Custom drive packages engineered for specific needs

Rotary airlock valve sizing

Valve size CFH
6″ 6 30 48 60 72 84 96 108 120 132
8″ 12 60 96 120 144 168 192 216 240 264
10″ 24 120 192 240 288 336 384 432 480 528
12″ 45 225 360 450 540 630 720 810 900 990
14″ 66 330 528 660 792 924 1,056 1,188 1,320 1,452
16″ 84 420 672 840 1,008 1,176 1,344 1,512 1,680 1,848
18″ 162 810 1,296 1,620 1,944 2,268 2,592 2,916 3,240 3,564
1 5 8 10 12 14 16 18 20 22
Rotor speed (RPM)