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How much material can be conveyed with a Line Vac?Where should I position your Line Vac in my conveying system?What is the difference between the Line Vac, the Light Duty Line Vac and the Heavy Duty Line Vac?Can I convey liquid with a Line Vac?Can I convey powder with a Line Vac?Do you sell hose for your Line Vacs?Why can't I use your Line Vac with flammable materials?
Features
How the Line Vac Works |
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Compressed air flows through the inlet (1) into an annular plenum chamber (2). It is then injected into the throat through directed nozzles (3). These jets of air create a vacuum at the intake (4) which draws material in and accelerates it through the unit (5) for conveying over long vertical or horizontal distances. |
Features
Features
Features
Line Vac Kit Performance |
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80 PSIG (5.5 BAR) | Air Consumption | Vacuum | ||
Model # | SCFM | SLPM | "H2O | kPa |
6958, 6958-316, 6978 | 5.60 | 158 | -120 | -29.9 |
6959, 6959-316, 6979 | 7 | 198 | -100 | -24.9 |
6960, 6960-316, HT6960, HT6960-316, 6980 | 10.70 | 303 | -72 | -18 |
6961, 6961-316, HT6961, HT6961-316, 6981 | 14.70 | 416 | -42 | -11 |
6962, 6962-316, HT6962, HT6962-316, 6982 | 25.90 | 733 | -42 | -11 |
6963, 6963-316, HT6963, HT6963-316, 6983 | 33 | 934 | -36.8 | -9 |
6964, 6964-316, HT6964, HT6964-316, 6984 | 45 | 1,274 | -28.5 | -7 |
6965, 6965-316, HT6965, HT6965-316, 6985 | 58.50 | 1,656 | -23.5 | -6 |
6966, 6966-316, HT6966, HT6966-316, 6986 | 68.5 | 1,939 | -14.7 | -4 |
6967, 6987 | 95 | 2,690 | -13.6 | -3.4 |
6988 | 128 | 3,625 | -10.5 | -2.6 |
Features
Line Vac Dimensions |
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Models |
Model Numbers |
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Type 303 Stainless Steel Line Vac Kit | 6958 | 6959 | 6960 | 6961 | 6962 | 6963 | 6964 | 6965 | 6966 | 6967 | -- | |
Type 316 Stainless Steel Line Vac Kit | 6958-316 | 6959-316 | 6960-316 | 6961-316 | 6962-316 | 6963-316 | 6964-316 | 6965-316 | 6966-316 | -- | -- | |
Aluminum Line Vac Kit | 6978 | 6979 | 6080 | 6981 | 6982 | 6983 | 6984 | 6985 | 6986 | 6987 | 6988 | |
High Temperature Line Vac Kit | -- | -- | HT6960 | HT6961 | HT6962 | HT6963 | HT6964 | HT6965 | HT6966 | -- | -- | |
High Temperature 316 SS Line Vac Kit | -- | -- | HT6960-316 | HT6961-316 | HT6962-316 | HT6963-316 | HT6964-316 | HT6965-316 | HT6966-316 | -- | -- | |
A (Hose Size) | in | 0.38 | 0.50 | 0.75 | 1 | 1.25 | 1.50 | 2 | 2.50 | 3 | 4 | 5 |
mm | 10 | 13 | 19 | 25 | 32 | 38 | 51 | 64 | 76 | 102 | 127 | |
B | in | 0.19 | 0.31 | 0.50 | 0.75 | 1 | 1.25 | 1.75 | 2.25 | 2.75 | 3.75 | 4.75 |
mm | 5 | 8 | 13 | 19 | 25 | 32 | 45 | 57 | 70 | 95 | 121 | |
C | in | 1 | 1.25 | 1.88 | 2.13 | 2.38 | 2.75 | 3.25 | 3.75 | 4.25 | 5.25 | 6.25 |
mm | 25 | 32 | 48 | 54 | 61 | 70 | 83 | 95 | 108 | 133 | 159 | |
D | in | 2.18 | 2.62 | 3.88 | 3.88 | 3.88 | 4.38 | 4.38 | 4.38 | 5.63 | 5.63 | 5.63 |
mm | 55 | 66 | 99 | 99 | 99 | 111 | 111 | 111 | 143 | 143 | 143 | |
E | in | 1 | 1.23 | 1.88 | 1.88 | 1.88 | 2.13 | 2.13 | 2.13 | 2.75 | 2.75 | 2.75 |
mm | 25 | 31 | 48 | 48 | 48 | 54 | 54 | 54 | 70 | 70 | 70 | |
F | in | 0.63 | 0.75 | 1 | 1 | 1 | 1.25 | 1.25 | 1.25 | 1.75 | 1.75 | 1.75 |
mm | 16 | 19 | 25 | 25 | 25 | 32 | 32 | 32 | 45 | 45 | 45 | |
G | in | 1.25 | 1.25 | 2 | 2 | 2.50 | 2.50 | 3 | 3 | 3.25 | 3.25 | 4.13 |
mm | 32 | 32 | 51 | 51 | 64 | 64 | 76 | 76 | 83 | 83 | 105 | |
H | in | 0.63 | 0.63 | 1 | 1 | 1.25 | 1.25 | 1.50 | 1.50 | 1.63 | 1.63 | 2.06 |
mm | 16 | 16 | 25 | 25 | 32 | 32 | 38 | 38 | 41 | 41 | 52 | |
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Models |
Model Numbers |
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Type 303 Stainless Steel Line Vac Kit | 6958 | 6959 | 6960 | 6961 | 6962 | 6963 | 6964 | 6965 | 6966 | 6967 | -- | |
Type 316 Stainless Steel Line Vac Kit | 6958-316 | 6959-316 | 6960-316 | 6961-316 | 6962-316 | 6963-316 | 6964-316 | 6965-316 | 6966-316 | -- | -- | |
Aluminum Line Vac Kit | 6978 | 6979 | 6080 | 6981 | 6982 | 6983 | 6984 | 6985 | 6986 | 6987 | 6988 | |
High Temperature Line Vac Kit | -- | -- | HT6960 | HT6961 | HT6962 | HT6963 | HT6964 | HT6965 | HT6966 | -- | -- | |
High Temperature 316 SS Line Vac Kit | -- | -- | HT6960-316 | HT6961-316 | HT6962-316 | HT6963-316 | HT6964-316 | HT6965-316 | HT6966-316 | -- | -- | |
I | in | 0.41 | 0.34 | 0.76 | 0.65 | 1 | 0.86 | 1.17 | 1 | 1.20 | 1.34 | 1.70 |
mm | 10 | 9 | 19 | 17 | 25 | 22 | 30 | 25 | 31 | 34 | 43 | |
J | in | 0.82 | 0.68 | 1.52 | 1.30 | 2 | 1.73 | 2.34 | 2 | 2.41 | 2.70 | 3.47 |
mm | 21 | 17 | 39 | 33 | 51 | 44 | 59 | 51 | 61 | 69 | 88 | |
K | in | 0.17 | 0.13 | 0.25 | 0.26 | 0.31 | 0.25 | 0.28 | 0.31 | 0.41 | 0.31 | 0.33 |
mm | 4 | 3 | 6 | 7 | 8 | 6 | 7 | 8 | 10 | 8 | 8 | |
L | in | 1.13 | 1 | 1.38 | 1.32 | 1.61 | 1.44 | 1.48 | 1.44 | 1.44 | 1.59 | 1.52 |
mm | 29 | 25 | 35 | 34 | 41 | 37 | 38 | 37 | 37 | 40 | 39 | |
M | in | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 |
mm | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
N | in | 1.07 | 1.18 | 1.44 | 1.56 | 1.68 | 1.88 | 2.13 | 2.38 | 2.63 | 3.13 | 3.63 |
mm | 27 | 30 | 37 | 40 | 43 | 48 | 54 | 60 | 67 | 80 | 92 | |
O | in | 0.18 | 0.18 | 0.20 | 0.20 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 |
mm | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | |
P | 1/8 FNPT | 1/8 FNPT | 1/4 FNPT | 1/4 FNPT | 1/4 FNPT | 3/8 FNPT | 3/8 FNPT | 3/8 FNPT | 1/2 FNPT | 1/2 FNPT | 1/2 FNPT |
Features
Line Vac Standards and Certifications


EXAIR Line Vacs comply with OSHA's Safety Requirements, the EU General Product Safety Directive (2001/95/EC) and meet the noise limitation requirements of the EU Machinery Directive (2006/42/EC). All sound level measurements are taken at 3 feet away.

Look for this symbol to designate conflict mineral free products throughout our website. EXAIR supports Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act and we are committed to compliance with the conflict minerals rule in order to curb the illicit trade of tin, tantalum, tungsten and gold in the DRC region. EXAIR is using the CMRT 3.02 template to document our supply chain and commitment to conflict free products.
Features
Options
Line Vac Model Comparison |
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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 |
Stainless Steel Flanged 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 |
Options
Options
Materials
Aluminum is the economical choice for general purpose conveying. Maximum temperature: 250°F (121°C).
Our standard stainless steel models (Type 303) offer good corrosion resistance and are ideal for food service, abrasive or corrosive applications. Maximum temperature: 800°F (426°C).
For critical applications including certain foods and pharmaceutical products, Type 316 stainless steel models provide excellent corrosion resistance. Maximum temperature: 1000°F (538°C).
Options
Line Vac Styles
Six styles are available:

Line 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 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. Nine sizes up to 3 NPT are available in aluminum, stainless steel and for high temperature.

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 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. Seven sizes up to 3" (76mm) are available. Heavy Duty Threaded Line Vac models available also.

High Temperature Line Vacs are suited for temperatures up to 900°F (482°C). Frequently used for sampling hot flue gases, the High Temperature Line Vac can resist back pressure from long pipe lengths with numerous bends.

Sanitary Flange Line Vacs are the best way to convey materials in systems which require frequent or mandatory cleaning. Four sizes from 1-1/2" to 3" are available in Type 316 stainless steel. ISO 2852 compatible.
Options
Line Vac Models

Line Vacs are available individually and in kits. Line Vac Kits include a Line Vac, mounting bracket, filter separator and pressure regulator (with coupler).
Line Vacs and Line Vac Kits are available in heavy duty, light duty, and standard duty models with for use with hoses or standard NPT threaded pipe.
Options
Accessories

Clear 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).

Drum Covers - EXAIR's fine mesh non-woven Drum Cover is built to fit over the top of 55 or 30 gallon drums. It is suitable for Line Vac conveyance hoses from 3/4" through 3.4" outside diameters and comes complete with hose clamps and a durable spring buckle strap for quick and easy installation.
More Information
- ► Application Spotlight: Matrix Removal From Labeling Operation
- ► Application Spotlight: Refilling a Vibratory Bowl
- ► Application Assistance Worksheet

Line Vac Conveying Rate Comparison
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, our Application Engineers can assist you by comparing the material you want to convey with something that has already been tested.
Many applications require that materials be transported over longer distances. The Heavy Duty Line Vac can move more material over longer lengths. They have been designed for rugged, industrial applications.
The table below gives a quick comparison of our Light Duty Line Vac, standard Line Vac and the Heavy Duty Line Vac models. For comparison, the test shows the 2" (51mm) model of each style conveying the same material over various lengths. Heavy Duty Line Vac conveys more material in less time.
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.) Horizontal conveying tested at 80 PSIG (5.5 BAR). Special Line Vacs
EXAIR manufactures special Line Vacs suited to specific application requirements. Configurations and materials can vary according to the application requirements.
A special 3/4" (19mm) Stainless Steel Line Vac evacuates fumes from a silicone wafer etching operation.Line Vac can be engineered to retrofit existing machinery. The Line Vac (shown right) has special flanges that permit direct mounting to a machine used in the manufacturing of silicon wafers for the semiconductor industry. This flanged Line Vac is used to remove acidic vapors resulting from surface etching of the silicon wafer. Ordinarily, EXAIR’s Stainless Steel Air Amplifier would have been used since it moves much higher volumes of air. In this case, the Line Vac was the better choice since the exhaust piping was long with many bends that would have created high back pressure. The directed nozzles of the Line Vac overcame this downstream resistance.
This special Line Vac is used to fill small packets.Filling small packets with fine powders or granulated materials such as salt or sugar is done using small tubes that are gravity fed from a hopper. This works well when the material is dry, however, moist materials would often pack the tube, blocking the flow. The special funnel shaped Line Vac (shown right) created a suction on the existing tube to permit continuous product flow.
This special flanged 1-1/2" (38mm) Line Vac is made of PVDF to withstand a chloride washdown.The special flanged Line Vac (shown right) is made of PVDF, a plastic that has a high chemical resistance. In this case, the 1-1/2" (38mm) Line Vac was regularly exposed to a chloride wash, a chemical that would corrode stainless steel. QF flanges were provided on each end to allow easy removal of the conveying hoses for cleaning purposes.
A special miniature Line Vac used to vacuum microscopic debris measures the same size as a penny!The special miniature Line Vac with barb fittings (shown right) was designed for a manufacturer of integrated circuit chips. It was used to remove microscopic debris during the chip making process. This small Line Vac generated high vacuum and was the perfect configuration for the confined working space. It has also been used by another manufacturer to vacuum liquid and chips from small drilled holes.
CASE STUDY: Sanitizing Playland Balls
The Problem: Fast food restaurants and fun centers often include a cage full of plastic balls for the kids to romp around in. The balls were periodically cleaned by a service using truck mounted sanitizing equipment. Service personnel would scoop the balls into nets, carry them to the truck for washing, then lug them back to the cage - a tedious and time consuming job.
The Solution: An air compressor powering (2) Model 6087 4" (102mm) Aluminum Line Vacs was installed on the truck. With hose attached to the first Line Vac, the balls were vacuumed out of the cage and into the washer. Once sanitized, a second Line Vac and hose transferred them back to the cage. Cleaning time and expense were reduced dramatically.
Comment: The compact design and simplicity of operation were the keys to success in this application. The Line Vac also features large throat diameters for maximum throughput capability - like the large plastic balls.
CASE STUDY: Line Vac for Matrix Removal from Labeling Application
The Problem: A manufacturer applies labels to their products. After they have been applied, there is a waste stream that is referred to as “the matrix”. The matrix is the release liner that labels are affixed to in bulk format prior to being used. The normal method for taking up this waste stream was to use a winder. However, after some amount of time, the winder inevitably becomes filled. Once full, the line is stopped and the winder is manually emptied. They needed a better way to dispose of the matrix.
The Solution: The Line Vac presents a unique advantage in that it can pull the matrix from the machine and convey it out to a waste receptacle. This requires no winder, no stopping the line and no emptying. This solution freed up personnel for other tasks and increased production. The compact design and powerful operation of the Line Vac allowed it to be placed close to the generation of scrap, trim, or waste. Its powerful conveying capacity allowed it to transport the material to a remote and central location.
Comment: This application illustrates the versatility of the Line Vac product line. Commonly used as hopper loading products in the plastics industry a Line Vac is also a strong performer for applications like waste/trim removal, assembly parts conveyance, blasting media recovery, gas sampling and chip removal. Its large variety of materials and sizes makes it well suited for industrial, pharmaceutical, laboratory, high temperature and corrosive environments. No moving parts or electricity assures maintenance free operation.
CASE STUDY: Refilling a Vibratory Bowl
The Problem: A manufacturer of metal products deburrs aluminum sleeves in a vibratory bowl filled with abrasive media. As the parts complete the deburring cycle, they are discharged to a screened bed. The abrasive media drops through the bed and the finished parts roll into a box. Refilling the bowl with the accumulated media was a back breaking operation that required repetitious lifting of heavy buckets.
The Solution: A Model 6064 2" (51mm) Stainless Steel Line Vac was installed on the vibratory bowl. In minutes, the media was conveyed back up to the bowl through a hose without the heavy lifting.
Comment: The ability to convey the abrasive media with air was the key to success in this application. The Line Vac is easy to use since the many sizes fit standard hose and tube. In this case, the stainless steel model was the best choice since it will hold up better to the abrasive media conveyed through it.
- Use our Application Assistance Worksheet to submit information about your application. When you submit this information, we will respond with our recommendation for the EXAIR product best suited for the application. Please complete the Application Assistance Worksheet and click submit or print the completed .pdf file and fax it to us at (513) 671-3363. For immediate help, call our Application Engineering Department at 1 800-903-9247.
Images
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Line Vac Kits include a Line Vac, mounting bracket, filter separator and pressure regulator (with coupler).
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Line Vacs are available in many sizes in both aluminum and stainless steel.
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EXAIR stocks 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2" and 3" I.D. PVC hose in lengths up to 50'.
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Mounting brackets are available for 3/8" (10mm) through 5" (127mm) Standard and Threaded Line Vacs.
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1-1/4" (32mm) Line Vac is mounted on a burr removal tool to suction the plastic shavings and transport them to a waste container.
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A Model 6084 2" (51mm) Line Vac transports scrap cellophane trim to a waste barrel.
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Line Vac for matrix removal from a labeling application.
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Compressed air flows through the inlet (1) into an annular plenum chamber (2). It is injected into the throat thru directed nozzles (3). These jets of air create a vacuum at the intake (4) which draws material in and moves it thru the unit.
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Fine mesh drum cover kits for the Line Vac are available to fit 30 and 55 gallon drums.
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