Products from Equilibar
Equilibar offers several unique solutions for precision pressure control.
One of our primary unique technologies is our direct sealing diaphragm back pressure regulators,
which also include our precision vacuum regulators.
Equilibar also specializes in the control of very low pressures and very low flow rates.
We also represent precision electronic pressure regulators from Proportion-Air
and precision manual air regulators from Bellofram Precision Controls,
in order to provide more complete solutions for our customers.
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Precision Back Pressure Regulators
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- Highest precision available anywhere
- Dome-loaded design (requires air set-point pressure)
- Suitable for use with manual or automated air regulators
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0.02 to 1000 psig
SS316, PVC, PTFE
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NL Series
- Rugged industrial design
- Opposed inlet and outlet ports
- Recommended for pressures above 100 psig
NL Series details
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0.02 to 5000 psig
SS316
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Instrument Series
- 1/8" and 1/4" sizes ideal for gas instruments
- Low flow capability from 1E-8 to 0.1
- Same great Equilibar precision
EB1 Instrument Series Brochure
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Precision Vacuum Regulators
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0-30 inHG
SS316, PVC, PTFE
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EVR Series
- Highest stability across widely varying flow rates
- Integrated set-point regulator for easy adjustment
EVR details
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Electronic Pressure Regulators
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0-0.3 psig
up to
0-100 psi
No flow to 40 scfm
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Proportion-Air Electronic Pressure Regulators
- Tight pressure control to 0.25% accuracy
- Air and inert gases
- Control using internal and/or external sensors
- Easy computer automation of process pressure
- Command input: 4-20 mA or 0-10 VDC
- Serial DeviceNet also available
Electronic Pressure Regulator details
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Pressure Reducing Regulators
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0.5 - 8 inWC
zinc body
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LPR2: Ultra Low Pressure Regulator
- Lowest pressure range available in its class
- For low-flow or no-flow applications only
- Extremely sensitive and stable
- For air and inert gases*
LPR2 details
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0.5 - 25 psig
up to
120 psig
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Bellofram Type 10
- Incredible 0.1% accuracy
- Stable across varying flowrates and supply pressures
- For air and inert gases*
Type 10 brochure
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0-2 psi
up to
0-100 psi
cast aluminum
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Bellofram Type 41
- Designed for high flow, low droop, high accuracy, and fine adjustment sensitivity.
- Incorporates rolling diaphragm technology
- For air and inert gases*
Type 41 brochure
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0-0.3 psi
up to
0-1000 psi
No flow to 40 scfm
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Proportion-Air Electronic Pressure Regulators
- Tight pressure control to 0.25% accuracy
- Control using internal and/or external sensors
- Easy computer automation of process pressure
- Command input: 4-20 mA or 0-10 VDC
- Serial DeviceNet also available
Proportion-Air EPR Details
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0-100 psi
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Compact Filter Regulator
- Compact, economical protection for precision regulators downstream
- Filters incoming gas and allows for moisture drop-out
- Maintains stable input to improve downstream regulator performance
- Maximum inlet pressure: 150 psig
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