Cyclonaire Corp. - York, NE
Manufacturer, Service Company
Manufacturer of rotary airlocks for dilute phase conveying & metering material applications. Available with 10 VAC voltage & 50 Hz to 60 Hz frequency. Features include large drive shaft diameter, heavy-duty flanges, automated controls, rugged castings & inlet throats. 24 hour customer service available.
www.cyclonaire.com/products/parts

Nol-Tec Systems, Inc. - Lino Lakes, MN
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of valves including abrasion resistant, airlock, knife gate & rotary valves. Materials include mild steel & stainless steel. Services include material testing, installation, technical assistance, on-site start up, troubleshooting, turnkey services & systems training. Markets served include building materials, tire, rubber, food, chemical, fiberglass, pharmaceutical, iron & steel, plastics, minerals, textiles, fibers, refinery, foundry & ceramic.
www.nol-tec.com/services/spare-parts/

Imperial Systems, Inc. - Jackson Center, PA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard & custom valves including airlock valves, rotary valves, dust valves & dust collector valves. Specifications include dia. ranging from 4 in. to 24 in., flange, quick connect & raw connection types & electric, manual or pneumatic drive types.
catalog.isystemsweb.com/viewitems/diverter-...

Industrial Accessories Co. - Mission, KS
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of rotary airlock valves used for food, plastics, chemical, asphalt, mining, baking, cement & paint industry applications. Airlock valves are available in 6 in. x 6 in. to 16 in. x 16 in. round & 4 in. x 4 in. to 36 in. x 36 in. sizes with 0.07 cu.ft to 20 cu.ft. revolution & 15 psi pressure differentials. Features of valves include outboard bearings, round or square flanges, larger shaft dia. & cast iron & stainless steel construction.
iacintl.rtrk.com/?scid=2672323&rl_alt=http%...

Scientific Dust Collectors - Alsip, IL
Manufacturer
Manufacturer of airlock valves. Rotary airlocks feature valve sizes from 10 in. to 24 in., roller chain & sprocket & heavy duty gear reducer, fully enclosed steel drive guard, 1/4 in. or 3/8 in. flanges & 1/4 in. bolt on side plate. Available in square or round flange.
www.scientificdustcollectors.com/rotaryairl...

Southern Metal Fabricators, Inc. - Albertville, AL
Custom Manufacturer, Service Company
Custom metal & equipment fabricator. Manufacturer of all types of metal valves including airlock, diverter, gate, rotary, slide & sliding gate valves. Materials include stainless steel & alumimum. Design & engineering services.
www.southernmetalfab.com/

MAC Process - Kansas City, MO
Distributor, Manufacturer, Custom Manufacturer, Service Company
Turnkey systems integrator and manufacturer of side entry airlock valves. Available with 250 degrees F temperature range and 15 psi pressure. Features include outboard bearings, built in adjustable slide gates, parallel drives, open end rotors and tail shafts. Options include motion indicators, speed drives and vent port adapters. 24/7/365 emergency services available.
www.macprocessinc.com/site/index.php?PAGE_I...

L-R Systems, Inc. - Romeoville, IL
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard and custom airlock valves for various applications. Capabilities include designing, installation and engineering.
www.l-rsystems.com/products/valves/index.as...

Prater-Sterling - Bolingbrook, IL
Manufacturer, Custom Manufacturer
Manufacturer of airlock valves & rotary valves including heavy duty rotary airlock valves. Valves are double sealed, lubricated & drilled for air purge of seals. Features include eight-blade rotor, rugged 3/8 in. to 1/2 in. blade thickness, heavy cast housing & end plates, heavy-duty outboard bearings, self-adjusting packing glands & oversized flanges for drilling square or round patterns. Services include technical services for start-up, troubleshooting & preventative maintenance. Markets served include food, beverages, pharmaceuticals, oil, gas & chemicals. Used valves also available.
www.prater-sterling.com/home.php

KB Systems, Inc. - Bangor, PA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of standard & custom process valves including rotary airlock feeder valves. Rotary airlock feeder valves are used for dispensing of bulk ingredient at discharge of storage bin. Rotary airlock feeder valves feature rotary vane-type blow-through valve operation, cast iron valve body with precision-machined steel rotor, double high-pressure shaft seals & chain-drive operation with OSHA approved safety guard. Made in the USA.
www.kbsystemsinc.com/bulk-handling-equipmen...

Roto-Disc Co. - Milford, OH
Manufacturer, Custom Manufacturer
Manufacturer of airlock valves including airlock/double-dump valve assemblies. Valve assemblies are available with intermediate accumulator chambers, double-dump cycle timer and pressure equalization couplings. Airlock/double-dump valve assemblies are used for processing materials into and/or out-of pressure and vacuum environments. Capabilities include mechanical and electro-polishing, thermal regulation with water-cooling, large valve design, valve repair (retrofit), clean-in-place (CIP), rotational molding and throttling/dribble-feeding. Made in the USA.
Brand Names: Roto-Disc
www.rotodisc.com/double-dump_valves.htm

K-Tron - Salina, KS
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of airlock valves. Features include individual system components, & system controls ranging from manually operated to PLC. Components & systems include Aerolock® rotary valves, diverter valves, vacuum sequencing loaders & receivers, in-plant transfer systems, separators & receivers, blower packages, railcar unloading system, feeders, mixers, dryers, & storage tanks. Services including plastics, chemical, food, pharmaceutical & other process industries. Additional services include feeding, pneumatic conveying & systems engineering.
catalog.ktronpremier.com/category/airlock-r...

Airlock Valves Products
	Heavy-Duty Aerolock™ Rotary Valves Maximum-Duty Aerolock™ Rotary Valves Quick-Clean Aerolock™ Rotary Valves More

Carolina Conveying Inc. - Canton, NC
Manufacturer, Custom Manufacturer
Manufacturer of standard and custom rotary airlock valves used to feed product from or into a pressure or vacuum system. Types include standard and heavy duty, drop thru, side entry, blow thru and internal cleaning accessible. Different sized airlocks from rectangular units to large bore bodies are available. Custom sizes can also be produced.

Airlock Valves Products
	Rotary Airlocks Easy Clean Rotary Airlock Standard Duty Rotary Airlocks

Gulf Controls Company, LLC - Tampa, FL
Distributor, Custom Manufacturer, Service Company
Distributor of valves including actuator locking valves, airlock valves, compressed air valves, air cylinder valves & air release stainless steel valves. Services include repairing, rebuilding, lapping, installing, testing, machining, packaging & training. Design & application assistance services also available.
www.gulfcontrols.com/index.php

MC Schroeder Co. - Denver, NC
Distributor, Manufacturers' Rep
Manufacturers rep. & stocking distributor of rotary airlock valves. Types include CDC-CI & flex tip rotary airlock valves. Valves are suitable for use on airlock, pneumatic feeders on conveying systems & as product metering devices. Rotary valves with flex tip are available in sizes ranging from 6 in. to 30 in. CDC-CI rotary airlock valves suit pressure & vacuum pneumatic conveying systems up to 15 psi. Valves are made of materials including mild steel & stainless steel. Flex tip is made of materials including neoprene, EPDM, white neoprene, Buna N & polyurethane. Capacities of CDC-CI valves include handling abrasives including silica & alumina & sticky substances including sugar.
Brand Names: MetFlo
www.mcschroeder.com/index.php?option=com_co...

Mayer & Oswald, Inc. - Elgin, IL
Distributor, Manufacturers' Rep, Service Company
Distributor of rotary feeder airlocks in drop-thru, side-entry & blo-thru. Cast iron & stainless steel, open & closed end rotors, abrasion resistant, with adjustable & flexible tips. Quick-clean design, food grade, sanitary quick-take-apart design. Hi-temp applications, PTFE, chrome, nickel & tungsten-carbide coatings. Air purge seals & shear pin sprockets. Special designs. Dust collector airlock valves & airlock valves for OEM sales.
Brand Names: Bush & Wilton, Carolina Conveying
www.mayerandoswald.com

Plattco - Plattsburgh, NY
Manufacturer, Custom Manufacturer
Custom manufacturer of airlock valves. Types of valves include flip gate & slide gate valves. Specifications of airlock valves include maximum temperatures is 1800 degrees F & pressure is 40 psi. Features of airlock valves include seat cast, flappers, self-flushing linkage, front access cover, outboard mount shaft bearing, & knife-edge seat. Airlock valves are suitable for material handling systems & to prevent air leakage & material jams.
Brand Names: Airlock

Swaim & Associates, Inc. - Pfafftown, NC
Custom Manufacturer, Manufacturers' Rep
Manufacturers rep. of accessories including airlock rotary valves. Accessories also include screw augers, material handling fans, control panels, bucket conveyors, spark detection & extinguishing systems & abort gates.
Brand Names: AirPro, FLAMEX

Rotolok Valves Inc. - Monroe, NC
Manufacturer, Custom Manufacturer
Manufacturer Of Valves & Equipment Used In The Handling & Conveying Of Powders, Pellets & Granular Materials

Nu-Con Limited - Chanhassen, MN
Distributor, Manufacturer, Custom Manufacturer, Service Company
Supplier of components & integrated systems for food, dairy (USDA/3A) & other sanitary powder applications. USA product testing, engineering, manufacturing, controls, installation, start-up & support.

Western Pneumatics, Inc. - Eugene, OR
Manufacturer, Custom Manufacturer, Service Company
Manufacturer & designer of gate valves including rotary airlock valves for material handling systems. Types of valves include sliding-sleeve & rotary valves. Sliding-sleeve valves can have up to six ports & include a rotatable section with sleeve to retract & extend over a selected port. Rotary valves are enclosed & can have up to three ports. Electric or air operated valves are also available.

Baking Machinery Design Co., Inc. - Bangor, PA
Distributor
Distributor of special bakery equipment.

Grainger Industrial Supply - Locations
Distributor
Distributor of a variety of valves. Featuring ball, relief, check, foot, gate, globe, solenoid, pressure, butterfly, flow control, pneumatic, electronic actuated, air & drain cock, by pass, boiler drain, boiler feed, diaphragm, evaporative cooler, oil shutoff & piston valves among many others. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Andritz Sprout - Muncy, PA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of valves including airlock rotary valves for use in most dilute-phase pneumatic conveying & feeding systems. Available in materials including brass, stainless steel, abrasion-resistant steel, stellite inlaid & nickel. Rotor size ranges from 806 in. dia. to 3026 in. dia. Airlock speed ranges from 31 rpm to 45 rpm. Maximum feeders range up to 25. Power ranges from 1/2 hp to 5 hp. Weight of valves range from 173 lbs. to 2400 lbs. Weight of drives range from 100 lbs. to 375 lbs. Features include 8 pockets per rotor, closed-end rotor, adjustable tips for close rotor-to-housing clearances & peak valve efficiency.

H.S. Nagy & Associates - Lees Summit, MO
Manufacturer
Manufacturers rep. of dry material handling & processing equipment including airlock rotary valves. Industries served include food, chemical, mineral, nutraceutical, pharmaceutical & plastics.