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)

Drawings

Square airlock flange

Manuals

Quick Clean Series