Compressed Air Driven Air Knives for Cooling and Cleaning

Compressed Air Productivity Tools for Cleaning

Curtain Transvectors

Curtain Transvectors at work ITW Vortec's Curtain Transvector® Air Knives efficiently blowoff wide surfaces of debris as well as provide high speed drying for a broad range of industrial applications. Ionizing Curtain Transvectors® add a Static Neutralizing Bar to kill static cling and discharge dust and particles for blowoff.

Applications:
Since Curtain Transvectors are air amplifiers, they use a small amount of compressed air to deliver a powerful, high velocity, laminar sheet of air over wide areas, moving webs, sheets, film, strips, auto bodies and other large assemblies and objets. Our patented design produces increased thrust and velocity, reduced noise, excellent uniformity and significantly outperforms any competing, wide blowoff device.

Curtain Transvectors, as well as the Ionizing versions, have numerous and diverse processing, finishing, fabrication, assembly, and other industrial uses for cooling, drying, cleaning or static removal on wide surfaces.

Air Knives Deliver Flat Sheet of Amplified Air

Features & Benefits

Fraction of the cost of fans and blowers

No guards or rotating machinery

Instant on/off

Provides uniform blowoff for wide or long surfaces

Increases airflow with reduced consumption

Range of lengths available

Compact and easily mounted

No moving parts - Maintenance free

Ionizing option eliminates static

Quiet - Meets OSHA noise specifications

Output air is easily regulated

Curtain Transvectors are used for:

• Printing and labeling
• Converting and packaging
• Films and laminating
• Form and fill
• Sheet and web materials
• Conveying or hold down
• Food processing
• Paint preparation and drying

3" (76mm) Aluminum Curtain Transvector		*Models 921-X specifications*
	Model #: 921-3 3" (76mm) Curtain Transvector 1/4" NPT(F) inlet At 100 PSIG Air Consumption: 16 SCFM Velocity at 2”: 20,200 FPM Velocity at 6”: 14,200 FPM Velocity at 12”: 10,000 FPM At 30 PSIG Air Consumption: 6 SCFM Velocity at 2”: 12,500 FPM Velocity at 6”: 5,100 FPM Velocity at 12”: 3,700 FPM List Price: $153.00 *ORDER NOW* Recommended products: 701S-24A
6" (152mm) Aluminum Curtain Transvector
	Model #: 921-6 6" (152mm) Curtain Transvector 1/4" NPT(F) inlet At 100 PSIG Air Consumption: 32 SCFM Velocity at 2”: 20,200 FPM Velocity at 6”: 14,200 FPM Velocity at 12”: 10,000 FPM At 30 PSIG Air Consumption: 11 SCFM Velocity at 2”: 12,500 FPM Velocity at 6”: 5,100 FPM Velocity at 12”: 3,700 FPM List Price: $186.00 *ORDER NOW* Recommended products: 701S-24A

12" (305mm) Aluminum Curtain Transvector
	Model #: 921-12, 12" (305mm) Curtain Transvector 1/4" NPT(F) inlet At 100 PSIG Air Consumption: 64 SCFM Velocity at 2”: 20,200 FPM Velocity at 6”: 14,200 FPM Velocity at 12”: 10,000 FPM At 30 PSIG Air Consumption: 23 SCFM Velocity at 2”: 12,500 FPM Velocity at 6”: 5,100 FPM Velocity at 12”: 3,700 FPM List Price: $243.00 *ORDER NOW* Recommended products: 701S-36A

18" (457mm) Aluminum Curtain Transvector
	Model #: 921-18, 18" (457mm) Curtain Transvector (2)1/4"NPT(F)inlets, At 100 PSIG Air Consumption: 95 SCFM Velocity at 2”: 20,200 FPM Velocity at 6”: 14,200 FPM Velocity at 12”: 10,000 FPM At 30 PSIG Air Consumption: 34 SCFM Velocity at 2”: 12,500 FPM Velocity at 6”: 5,100 FPM Velocity at 12”: 3,700 FPM List Price: $301.00 *ORDER NOW* Recommended products: 701S-40A

24" (610mm) Aluminum Curtain Transvector
	Model #: 921-24, 24" (610mm) Curtain Transvector (2)1/4" NPT(F) inlets, At 100 PSIG Air Consumption: 127 SCFM Velocity at 2”: 20,200 FPM Velocity at 6”: 14,200 FPM Velocity at 12”: 10,000 FPM At 30 PSIG Air Consumption: 45 SCFM Velocity at 2”: 12,500 FPM Velocity at 6”: 5,100 FPM Velocity at 12”: 3,700 FPM List Price: $352.00 *ORDER NOW* Recommended products: 701S-40A

DESCRIPTION

Curtain transvectors use a small amount of compressed air to deliver a high velocity laminar sheet of air over wide areas such as moving webs, sheets, strips, autobodies and other large objects. Curtain Transvectors amplify the free surrounding air at a ratio of up to 25 times the compressed air consumed to provide greatly increased airflow while drastically reducing compressed air consumption.

Curtain Transvectors use the same impulse principle as other Transvector products to accelerate a large mass of stationary air with a thin sheet of compressed air, released at sonic velocity, through a linear slot which is 0.002” wide. As this sonic velocity air exits the slot, it collides with nearby still air, inducing and entraining a much larger flow.

Features:

* No moving parts, maintenance free
* Easily controlled output
* Fraction of the cost of variable speed blowers or fans
* No guards or safety hazards
* Instant on / off
* Quiet -- meets OSHA requirements
* Easily mounted
* Compact, ideal for limited space applications

SPECIFICATIONS

The Curtain Transvector Performance Chart below lists the SCFM consumption at various inlet pressures for each size of Curtain as well as the width and velocity of the output flow at various distances from the Curtain.

PSIG	Consumption / Output						Flow Characteristics at Distance from Outlet
PSIG		6”	12”	18”	24”			2”	6”	12”	18”
10	SCFM	7.8	15.6	23.4	31.2	Velocity		975	825	575	475
10	Output	195	390	585	780	Width		0.5	2.5	5.0	5.75
20	SCFM	9.6	19.2	28.8	38.4	Velocity		1375	1250	1100	950
20	Output	240	480	720	960	Width		0.75	2.0	4.0	4.5
30	SCFM	12.6	25.2	3708	50.4	Velocity		1825	1750	1650	1400
30	Output	315	630	945	1260	Width		1.0	2.25	4.25	4.75
40	SCFM	15.0	30.0	45.0	60.0	Velocity		2775	2550	2150	1900
40	Output	375	750	1125	1500	Width		1.75	2.5	4.75	5.5
60	SCFM	21.0	42.0	63.0	84.0	Velocity		5500	4600	3200	3000
60	Output	525	1050	1575	2100	Width		2.0	2.75	5.25	7.5
80	SCFM	25.8	51.6	77.4	103.2	Velocity		7300	6350	4550	4200
80	Output	645	1290	1935	2580	Width		2.25	2.75	5.5	8.0
100	SCFM	33.0	66.0	99.0	132	Velocity		9200	7800	5650	5200
100	Output	825	1650	2475	3300	Width		2.5	3.0	5.75	8.25


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C.C.Steven 1363 Donlon Street Ventura, CA 93003 since 1978
ph: 805-658-0207, fax: 805-658-2789, static@ccsteven.com