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Acrylic Vacuum Chambers

  • Ideal for degassing small parts and mixed liquids, vacuum encapsulation, and general purpose vacuum experiments
  • Provide a safe, convenient way to transport moisture- and particle-sensitive materials
  • Clear acrylic construction provides full visibility of parts
  • Sturdy construction supports vacuum level down to 29.9" Hg (see ordering tables for vacuum capacity of each model, as well as our 30-day certified options)
  • Solvent welding, 304 stainless steel and chrome-plated hardware ensure a completely noncontaminating environment
  • Call to discuss custom sizes and applications, including installation of cable feed-throughs

These economical vacuum chambers provide a safe, reliable means for transporting contamination- and moisture-sensitive parts. They are also ideal for degassing operations, biological tests, and other processes requiring sustained low and intermediate vacuums. The Certified models (factory tested and guaranteed to hold specified vacuum levels for 30 days) are optimal for long-term vacuum processing requirements including life cycle or material testing. 

Cleanroom-Compatible Construction

Eight different sizes are available; all support vacuums to 29.9" Hg. All models are fabricated of transparent 1" (25 mm) thick acrylic, 0.52" (13 mm) acrylic on No. 5235-08. They feature chrome-plated latches to ensure a noncontaminating environment.

Terra will install a vacuum gauge and metering valves to permit flushing of the chamber with purge gas before application of vacuum (order valves and gauge separately). Terra also features a full line of vacuum/nitrogen pumps. Recommended pump and accessories.

Note: Due to the inherent permeability of plastic, these chambers will not maintain a stable vacuum level over extended periods. For long-term vacuum maintenance, leave vacuum pump connected and running.

Why so Thick and Heavy?
Although your application may not require vacuum levels to 29.9"Hg, Terra builds its chambers to support this vacuum level due to safety concerns.

Variations in operators and operating protocol may lead to inadvertent spikes in vacuum pressure. Because these chambers are small, a few moments of vacuum operation beyond your target vacuum can subject them to substantially higher stress than you intend. Even a safety release switch is no guarantee that a chamber won't experience high vacuum pressure since these valves are not tamper-proof.

The best way to guarantee the safety of your parts and personnel is to use a chamber designed to sustain high vacuum levels. That's why Terra fabricates these chambers of 1"-thick acrylic.

Vacuum Leak Rate ChartVacuum Leak Test, 0-72 hours
Chambers lose vacuum pressure initially due to air released from acrylic walls during first three hours. If vacuum level of 29.9"Hg is restored following this initial drop in vacuum pressure, chambers hold 29.9"Hg with no detectable change in pressure over duration of test.

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Vacuum Chamber "A"
Acrylic Vacuum Chambers
Dimensions
W" x D" x H"
(mm)
Max Vacuum
in. of HG
Crated Wt.
lbs.
(kg.)
 
Outside
(excl. hardware)
Inside Cat. # Price
16 x 10 x 11.5
(406 x 254 x 292)
14 x 8 x 9.5
(356 x 203 x 241)
29.9 80
(36.3)
5235-00A Price
16 x 10 x 11.5
(406 x 254 x 292)
14 x 8 x 9.5
(356 x 203 x 241)
29.9 80
(36.3)
5235-16* Price
* Factory tested and certified to hold specified vacuum for 30 days

Gauges shown optional. To restrict the vacuum level to less than 29.9" Hg, select the optional Vacuum Safety Switch below, which provides an adjustable vacuum release valve.


Vacuum Chamber "B"
Acrylic Vacuum Chambers
Dimensions
W" x D" x H"
(mm)
Max Vacuum
in. of HG
Crated Wt.
lbs.
(kg.)
 
Outside
(excl. hardware)
Inside Cat. # Price
13 x 13 x 7.5
(330 x 330 x 191)
11 x 11 x 5.5
(279 x 279 x 140)
29.9 70
(32)
5235-01A Price
13 x 13 x 7.5
(330 x 330 x 191)
11 x 11 x 5.5
(279 x 279 x 140)
29.9 70
(32)
5235-17* Price
* Factory tested and certified to hold specified vacuum for 30 days

Gauges shown optional. To restrict the vacuum level to less than 29.9" Hg, select the optional Vacuum Safety Switch below, which provides an adjustable vacuum release valve.


Vacuum Chamber "C"
Acrylic Vacuum Chambers
Dimensions
W" x D" x H"
(mm)
Max Vacuum
in. of HG
Crated Wt.
lbs.
(kg.)
 
Outside
(excl. hardware)
Inside Cat. # Price
9 x 9 x 9.5
(229 x 229 x 241)
7 x 7 x 7.68
(178 x 178 x 195)
29.9 70
(32)
5235-02A Price
9 x 9 x 9.5
(229 x 229 x 241)
7 x 7 x 7.68
(178 x 178 x 195)
29.9 70
(32)
5235-18* Price
* Factory tested and certified to hold specified vacuum for 30 days

Gauges shown optional. To restrict the vacuum level to less than 29.9" Hg, select the optional Vacuum Safety Switch below, which provides an adjustable vacuum release valve.


Vacuum Chamber "D"  
Acrylic Vacuum Chambers
Dimensions
W" x D" x H"
(mm)
Max Vacuum
in. of HG
Crated Wt.
lbs.
(kg.)
 
Outside
(excl. hardware)
Inside Cat. # Price
12 x 12 x 10.5
(305 x 305 x 267)
10 x 10 x 8.5
(254 x 254 x 216)
29.9 80
(36.3)
5235-03A Price
12 x 12 x 10.5
(305 x 305 x 267)
10 x 10 x 8.5
(254 x 254 x 216)
29.9 80
(36.3)
5235-19* Price
* Factory tested and certified to hold specified vacuum for 30 days

Gauges shown optional. To restrict the vacuum level to less than 29.9" Hg, select the optional Vacuum Safety Switch below, which provides an adjustable vacuum release valve.


Vacuum Chamber "E"
Acrylic Vacuum Chambers
Dimensions
W" x D" x H"
(mm)
Max Vacuum
in. of HG
Crated Wt.
lbs.
(kg.)
 
Outside
(excl. hardware)
Inside Cat. # Price
17 x 17 x 13.5
(432 x 432 x 343)
15 x 15 x 11.5
(381 x 381 x 292)
29.9 95
(43.1)
5235-04A Price
17 x 17 x 13.5
(432 x 432 x 343)
15 x 15 x 11.5
(381 x 381 x 292)
29.9 95
(43.1)
5235-20* Price
* Factory tested and certified to hold specified vacuum for 30 days

Gauges shown optional. To restrict the vacuum level to less than 29.9" Hg, select the optional Vacuum Safety Switch below, which provides an adjustable vacuum release valve.


Vacuum Chamber "F"
Acrylic Vacuum Chambers
Dimensions
W" x D" x H"
(mm)
Max Vacuum
in. of HG
Crated Wt.
lbs.
(kg.)
 
Outside
(excl. hardware)
Inside Cat. # Price
26.5 x 11 x 12.5
(673 x 279 x 318)
11 x 8 x 9.5
(279 x 203 x 241)
29.9 160
(73)
5235-06A Price
26.5 x 11 x 12.5
(673 x 279 x 318)
11 x 8 x 9.5
(279 x 203 x 241)
29.9 160
(73)
5235-21* Price
* Factory tested and certified to hold specified vacuum for 30 days

Gauges shown optional. To restrict the vacuum level to less than 29.9" Hg, select the optional Vacuum Safety Switch below, which provides an adjustable vacuum release valve.


Vacuum Chamber "G"
Acrylic Vacuum Chambers
Dimensions
W" x D" x H"
(mm)
Max Vacuum
Crated Wt.
lbs.
(kg.)
 
Outside
(excl. hardware)
Inside in. of HG Torr Cat. # Price
12 x 14.5
(305 x 368)
11 x 13.5
(279 x 343)
29.8 756.9 55
(25)
5235-08 Price

Gauges shown optional. To restrict the vacuum level to less than 29.9" Hg, select the optional Vacuum Safety Switch below, which provides an adjustable vacuum release valve.

Vacuum Chamber "H"
Vacuum Chamber
Dimensions
W" x D" x H"
(mm)
Max Vacuum
Crated Wt.
lbs.
(kg.)
 
Outside
(excl. hardware)
Inside in. of HG Torr Cat. # Price
32 x 32 x 6
(813 x 813 x 152)
30 x 30 x 4
(762 x 762 x 102)
27
686
225
(102)
3305-80 Price

Gauges shown optional. To restrict the vacuum level to less than 27" Hg, select the optional Vacuum Safety Switch below, which provides an adjustable vacuum release valve.

Note: Acrylic is damaged by alcohol and other cleaning agents.

Vacuum Chamber Options

Metering Valve (two required per chamber)
Permits safe, convenient application of vacuum to the chamber. Dual valves allow purging of the chamber with nitrogen or other process gas before vacuum is applied. Price includes installation.
Cat. # Price
5235-09 Price

Vacuum Gauge (one required per chamber)
Senses and indicates vacuums on 0-30” Hg scale. Price includes installation.
Cat. # Price
5235-10 Price

Vacuum Safety Relief Valve
Bleeds vacuum exceeding an adjustable pressure level to prevent damage to vacuum chamber. For full vacuum chambers above, it can be used to restrict the vacuum level to protect samples.

Cat. # Price
5235-11 Price

cord pull through
Cord or Cable Feed-Through
  • Power cords
  • Sensor cables
  • Data lines
  • Thermocouple connectors

Terra installs feed-throughs for a wide range of applications. Just provide us your choice of feed-through fitting and a sample of the cord or cable, and specify the desired location(s). All chambers equipped with cord/cable feed-throughs are leak tested to ensure that performance remains within your specified vacuum range.

Call Terra for a quote on a
feed-through for your application!
Cat. # Price
5235-15 call TUI

Recommended Pump and Accessories — See Sample Pump Configuration

Pump

 

Accessories


 
Pump Type Ilmvac # Terra Part # Price
Standard Duty Dry 2562B-01 7906-50 Price
Click for full specifications
 

Vacuum Control Module: 110VAC, 50/60Hz
Includes LED vacuum display and set point controller, on/off switches for controlling pump and vacuum solenoid operation. Click here for full specifications.

Vacuum Control Module Cat. # Price
120VAC, 60Hz 1681-75 Price
220VAC, 50/60Hz 1681-75-220 Price
     
   
Vacuum Pump Connection Kits
Tubing in. (mm) Cat # Price
1/4 (6) 5400-24 Price
Click here for full specifications
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