Equilibar® Precision Vacuum Regulator

Incredibly stable vacuum control across varying flow rates!

Equilibar® now introduces a new type of vacuum regulator with more than 5X the flow stability of traditional spring regulators. That means that your vacuum process can remain stable even as gas flow changes.

  • Uses a convenient 20-turn knob to adjust vacuum set-point
  • Is installed between your vacuum pump and your process
  • Controls in range 0 - 28 inHg
  • Sizes available 1/4" through 2"
  • Available in corrosive resistant materials (see below)
EVR Vacuum Regulator Brochure
Dramatic Stability Improvement
This chart shows the superior flow stability of the 1/2" Equilibar® over the Fairchild 16. Note that the Fairchild works by bleeding air into the vacuum system rather than directly modulating the applied vacuum, explaining the opposite curvature.


Now Available in larger pipe sizes
The Equilibar Precision Vacuum Regulator is now available in larger pipe sizes by utilizing a weight-saving welded construction design. Same incredible precision at pipe sizes up to 2" NPT(standard) with larger sizes and other end fittings upon request. All EVR regulators 1" and larger will be quoted using this welded construction unless requested otherwise.
Using the Equilibar® Vacuum Regulator
Using our new precision vacuum regulator is a snap. Simply connect your vacuum pump or house vacuum utililty to the Outlet port. Connect your process requiring precision vacuum control to the Inlet port. Adjust vacuum knob to achieve the desired vacuum level.


Stability
This chart shows the excellent vacuum stability through the low to medium vacuum pressure ranges.


How the Equilibar® Vacuum Regulator works
Our new vacuum regulator uses the same patented technology as the Equilibar® Precision Back Pressure Regulator, and can precisely match your process pressure to that of a fluid reference, or signal pressure.

The Equilibar® Vacuum Regulator contains a highly sensitive 20-turn vacuum pressure regulator on the top to conveniently generate this set-point pressure. Taken together, these two regulators provide highly sensitive and stable control with all the simplicity and convenience of the traditional products.


Selecting the right size
This chart shows the projected vacuum performance at various regulator body sizes. If you don't have a prefered piping size in mind, select the smallest regulator that gives the precision that your application requires.

Available Model Sizes

Pipe PortModel Number
1/4" NPTEVR-2
3/8" NPTEVR-3
1/2" NPTEVR-4
3/4" NPTEVR-6
1" NPTEVR-8
1 1/2" NPTEVR-12
2" NPTEVR-16
* Note: Other thread standards available

Body Material Options

  • Stainless Steel 304 or 316
  • Anodized Aluminum
  • PVC
  • PTFE
  • Others as required

Diaphragm Material Options

  • Viton
  • PolyEthylene
  • PTFE
  • Buna N
  • Others as required
EVR Vacuum Regulator Brochure (printable)
The Equilibar® regulator is protected by granted and pending U.S. and foreign patents.
Copyright Equilibar, LLC 2007.