Heavy-duty rotary airlock valve

The VBS and VBOST Series rotary airlock valve by Kice Industries is designed for the most challenging dry bulk materials. Our toughest airlock delivers continuous, long-lasting performance in high-wear environments.

Precise control of abrasive and sticky materials
Heavy-duty stainless steel construction
Extremely customizable for special operations

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Heavy-duty rotary airlock for demanding conditions

VBS/VBOST rotary airlock valve applications

Common practices for the VBS/VBOST Series rotary airlock valve include corrosive and food-grade applications.

Standard rotary airlock features

Durable construction

Fabricated from heavy-duty stainless steel
Engineered for highly abrasive, corrosive, and food-grade applications

Dependable airlock performance

Precision-machined rotors and housings for consistent performance
Eight-blade, full-depth airlock rotors to maintain steady airflow
Tight tolerances to ensure efficient sealing and reduced leakage

Seamless integration

Same dimensions as our VJ Series rotary airlock valve

Standard rotary airlock valve options

Advanced sealing and monitoring

Optional Tamar shaft seals
Zero-leakage protection and easy maintenance

Optimized for abrasive and fibrous materials

Trailing edges relieved (TER) for sticky materials
Inlet plows to reduce product binding at nip points
Assorted bolt-on rotor tips (AR steel, flexible urethane)

Tailored airlock design options

Special clearances for temperature and material needs
Shallow-depth rotors for precision flow
Bolt-on pans and surge hoppers for drop-thru rotary airlocks

Custom Features Gallery

Rotary airlock valve with chain drive or direct drive option

Kice airlock drives

Relieved tips on rotary airlock for sticky products

Trailing edges relieved

Standard Kice rotors

Bolt-on rotor tips

Shallow depth rotors

Protective coating for rotary airlock valves

Coating and plating

Bolt-on pans

Air purge seals

Venting surge hopper for pneumatic conveying

Kice surge hoppers

Rotary airlock valve sizing

Size (in)	CFR	Weight (lb)
Size (in)	CFR	Inboard Model	Outboard Model
6x6x6	0.07	100	120
8x6x6	0.16	145	175
10x6x6	0.27	160	200
10x8x8	0.33	180	230
12x8x8	0.55	280	340
14x10x10	0.67	340	440
16x12x12	1.1	435	550
18x12x12	1.45	470	580
18x14x14	1.67	490	670
20x12x12	1.9	550	850
20x15x15	2.3	600	900
24x15x15	3.2	900	1,050
30x24x24	7.32	1,500	2,920

Drawings

VB round airlock VB square airlock VBOT round airlock VBOT square airlock Round bolt-on pan Square bolt-on pan Typical flange dimensions Round airlock flange Square airlock flange Series 71/72/73 sight glasses Round surge hopper Round surge hopper (Type II)Square surge hopper (Type I)VB direct drive airlock VBX direct drive airlock

Manuals

VJ, VB, VD Series VJOT, VBOT, VDOT, VPOT Series Airlock Benches