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Air Operated Conveyors

Selecting the Right Model

Line Vac Comparison
Material Type Temperature Rating Corrosion Resistance
Aluminum Line Vac 275°F (135°C) Fair
Stainless Steel Line Vac (Type 303) 400°F (204°C) Good
Stainless Steel Line Vac (Type 316) 400°F (204°C) Excellent
High Temperature Stainless Steel Line Vac (Type 303) 900°F (482°C) Good
High Temperature Stainless Steel Line Vac (Type 316) 900°F (482°C) Excellent
Heavy Duty Line Vac Hardened Alloy Construction 400°F (204°C) Good

Line Vacs are available in a wide range of sizes to fit your application. Some of the criteria used to select the proper model are:
  • Diameter of parts being conveyed
  • Diameter of hose or tube
  • Rate (weight or volume)
  • Stainless steel (Type 303
    and 316) or aluminum
The Model 6083 1 1/2" (38mm) Line Vac conveys plastic granules to the gravity feed hopper on an extruder.
The Model 6083 1 1/2" (38mm) Line Vac conveys plastic granules to the gravity feed hopper on an extruder.
Aluminum is the economical choice for general purpose conveying. Our standard stainless steel models (Type 303) offer good corrosion resistance and are ideal for food service, abrasive or corrosive applications. For critical applications including certain foods and pharmaceutical products, Type 316 stainless steel models provide excellent corrosion resistance. The High Temperature Line Vac models are suited for temperatures up to 900°F (482°C). Frequently used for sampling hot gases, these High Temperature Line Vacs can resist back pressure from long pipe lengths with numerous bends. Heavy Duty Line Vac moves the highest volumes and resists wear. Metal parts are conveyed with the Model 150200 2" (51mm) Heavy Duty Line Vac as they drop off the edge of the conveyor.
Metal parts are conveyed with the Model 150200 2" (51mm) Heavy Duty Line Vac as they drop off the edge of the conveyor.

The Model 6084 2" (51mm) Line Vac transports scrap trim to a waste barrel.
The Model 6084 2" (51mm) Line Vac transports scrap trim to a waste barrel.

Line Vac Conveying Rates

Infinite control of the flow rate through the Line Vac can be controlled by a pressure regulator. Kits include a pressure regulator that is sized properly for flow. The actual conveying rate is affected by the size, mass and geometry of the part to be conveyed along with the length, lift and number of bends in the hose, tube or pipe. These variables make it difficult to determine the exact conveying rate for any product, however, the Application Engineers can assist you by comparing the material you want to convey with something that has already been tested. An automotive manufacturer vacuums chips from drive train differentials with a Model 150200 2" (51mm) Heavy Duty Line Vac.
An automotive manufacturer vacuums chips from drive train differentials with a Model 150200 2" (51mm) Heavy Duty Line Vac.

A Model 130125 1 1/4" (32mm) Light Duty Line Vac can fill or empty the packing peanuts from shipping cartons.
A Model 130125 1 1/4" (32mm) Light Duty Line Vac can fill or empty the packing peanuts from shipping cartons.

Rock Salt Conveying Rate Comparison
Model 100 Feet (30.5m) 200 Feet (61m)
Model 130200 2" (51mm)
Light Duty Line Vac
166 lbs/hr.
(75.3 kg/hr.)
N/A
Model 6084 2" (51mm)
Line Vac
334 lbs/hr.
(151.5 kg/hr.)
85 lbs/hr.
(38.6 kg/hr.)
Model 150200 2" (51mm)
Heavy Duty Line Vac
524 lbs/hr.
(237.7 kg/hr.)
200 lbs/hr.
(90.7 kg/hr.)

Four styles are available:

Line VacLine Vac is designed to fit standard hose and tube. They are best for moving materials over long horizontal and vertical distances. Eleven sizes in aluminum and ten sizes in stainless steel are available to suit a wide variety of transfer applications. Models in Type 316 stainless steel (for corrosion, food and pharmaceutical) as well as models for high temperature are also available.


Threaded Line VacThreaded Line Vac attaches easily to plumbing pipe couplers, making it easy to build a complete conveying system using pipes and fittings available at any home center, hardware store or plumbers supply. Five sizes up to 2 NPT are available in aluminum, stainless steel, and for high temperature.


Light Duty Line Vac Light Duty Line Vac is perfect for conveying small amounts of material over short distances. This simplified design utilizes a two-part threaded construction to provide effective conveying at a lower cost. Air consumption is reduced to a volume appropriate for moving small volumes of material at short distances. Eight sizes up to 6" (152mm) in aluminum are available.


Heavy Duty Line Vac Heavy Duty Line Vac is the most powerful Line Vac that moves high volumes of material. The hardened alloy construction helps prevent wear that could occur with ordinary aluminum or stainless steel Line Vacs. Five sizes up to 2" (51mm) are available. Heavy Duty Threaded Line Vac models available also.






Line Vac HoseClear PVC Hose

EXAIR stocks 3/8" (10mm), 1/2" (13mm), 3/4" (19mm), 1" (25mm), 1-1/4" (32mm), 1-1/2" (38mm), 2" (51mm), 2-1/2" (64mm) and 3" (76mm)  I.D. PVC hose in lengths up to 50' (15.2m). Ideal for conveying applications, the hose is very flexible and has a smooth internal bore that eliminates material build up. The reinforced heavy wall of this clear hose provides visual confirmation that the material is moving when air is supplied to the Line Vac. Temperature rating is -4 to 150°F (-20 to 66°C).



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