Air-loaded valve - Equilibar

Air-loaded valve

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An air-loaded valve or regulator is operated by a static air signal applied to the top of a diaphragm or piston to determine the set point. It requires no control spring or pilot. 

Equilibar designs and manufactures dome-loaded back pressure regulators, which is similar to air-loaded but uses a continuous air signal to the top of a diaphragm to determine the pressure set point. It also requires no control spring. Because the air signal is continuous, it automatically adjusts for process changes upstream and downstream.

 

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A

Absolute pressure

Air-loaded valve

B

Back pressure controller

Back pressure reducing valve

Back pressure regulator (BPR)

Back pressure valve

Ball valve

Bernoulli equation

Butterfly valve

Bypass valve

C

Cavitation

Centrifugal pump

Check valve

Closed-loop control

Compressible flow

Coriolis flow meter

Cv

D

Density

Derivative control mode

Diaphragm regulator (valve)

Differential pressure

Dome-loaded regulator (valve)

E

Electronic pressure regulator

F

Flow chemistry

Flow coefficient of a valve (Cv)

Flow control valve

G

Gate valve

Gauge pressure

Globe valve

I

Ideal gas law

Inches water column (in WC)

Incompressible flow

Integral control

L

Laminar flow (laminar regime)

Lobe pump

M

Magnetic flow meter

Mass flow meter (MFM)

Mixed-phase flow

Multi-phase flow

N

Needle valve

Non-Newtonian fluid

O

Open-loop control

P

Peristaltic pump

PID controller

Pilot operation

Pipe friction

Positive displacement pump

Pressure reducing regulator (PRR)

Pressure reducing valve (PRV)

Pressure sustaining valve

Proportional control

Proportional valve

Pump slip

R

Reference

Relief valve

Rotameter

T

Tangential flow filtration (TFF)

Thixotropic shear thinning

Turbulent flow

Two-phase flow

V

Vacuum breaker

Vacuum regulator (valve)

Valve Authority

Viscosity

Volumetric flow rate

W

Water hammer

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