The dome-loaded design allows initial setup with a manually controlled system, then subsequent setup with electronic control without having to purchase a new back pressure regulator. Continuing to use this site means you agree to our use of cookies. 
Fletcher, North Carolina GP series product comes with a monitor output signal. Below are some example calibration ranges and their associated accuracies and repeatabilities. Considerations for Oxygen Rich Applications, Diaphragm Selection for Equilibar Regulators, Water Hammer and Chatter with Equilibar Back Pressure Regulators, Valve Magazine features overview of Equilibar technology, Look at the part number listed on the regulators label, In general, the number right before the first dash is the revision number. Analog controllers typically accept either current (4-20 mA) or voltage (typically 0-10 or 0-5 VDC) input. To give you the best possible experience, this site uses cookies. Designed for static to low- flow applications of inert gas such as nitrogen or air, Look at the part number listed on the regulators label, In general, the number right before the first dash is the revision number. Note: These are just example calibration ranges. Dome-loaded pressure regulators come in both back pressure or pressure reducing varieties. Digital electronic pressure control with microprocessor and keypad control. 28732 United States, Tel: +1-828-650-6590 The QPV can be calibrated to any pressure range from as low as 0 2 in H20 (0 500 Pa, 0 5 millibar(g)) to as high as 0 150 psig (0 1000 kPa, 0 10 bar(g)). Written by Equilibar founder Jeff Jennings, the article explains the background of this unique method of fluid control and describes how it is capable of providing robust backRead More, 320 Rutledge Rd. The EPR 1000 will work in a similar way by providing control up to 1000 psi. The summer 2022 issue of Valve Magazine includes a comprehensive overview of the direct sealing diaphragm valve technology that is at the core of Equilibars patented devices. Fax: +1-801-504-4439. 
Fletcher, North Carolina Continuing to use this site means you agree to our use of cookies. The summer 2022 issue of Valve Magazine includes a comprehensive overview of the direct sealing diaphragm valve technology that is at the core of Equilibars patented devices. Back Pressure Regulators, Industrial Service
You are here: Home Low Pressure Control Solutions Low Pressure Electronic Regulator. To give you the best possible experience, this site uses cookies. Two separate Mass Flow Controllers (MFCs) are used to inject reactants in the vessel. Fletcher, North Carolina 
The unit will control proportional to the signal received. For all models EXCEPT the GS Series, follow this table: To find the revision number of the GS model, follow the table below.
The summer 2022 issue of Valve Magazine includes a comprehensive overview of the direct sealing diaphragm valve technology that is at the core of Equilibars patented devices. Watch the video below to see how the EPR 3000 regulator works. For all models EXCEPT the GS Series, follow this table: To find the revision number of the GS model, follow the table below. It is oftentimes used as a pilot regulator for Equilibar back pressure regulators when high precision electronic control is desired for an application. This method allows us to make much smaller adjustments in pressure than with a traditional regulator. Configured to meet specified range from vacuum to 50 psig / 10 bar(g), Configured to meet specified range up to 500 psig /35 bar(g) max, Configured to meet specified range up to 1000 psig /69 bar(g) max. These devices are called by many names, including: On this website, the term Electronic Pressure Regulator will be used to refer to pressure controllers using servo or solenoid valves. Installation & Maintenance. The primary reason for this is due to how challenging it is to get valve parts to move with such low pressures. Servo electronic pressure regulators (EPRs) work by using a push valve and a vent valve to maintain the outlet pressure at the desired set-point. Because both the EPR-3000 and the back pressure regulator have no significant hysteresis or dead-band, it is possible to precisely control reaction conditions even with highly varying process flow rates. In other applications an active control loop is desired and the Equilibar back pressure regulator must be operated by an electronic signal. The GP series control valve is an electronic pressure regulator designed to precisely control the pressure of gaseous media proportional to an electronic signal in pressure ranges up to 1000 psig (69 bar(g)). Boxes 1-4 serve the same purpose as above. Continuing to use this site means you agree to our use of cookies. The PID is therefore only used for small adjustments to the header pressure, and can be tuned slower while also enjoying instantaneous reaction from the regulator. The EPR 1000 is an electronic pressure regulator designed for electronic pressure control of inert gases. While this example does use a PID flow controller, the reaction time of this system is infinitely faster than that of a PID controlled control valve. *Meant for use with air or inert gases only. The summer 2022 issue of Valve Magazine includes a comprehensive overview of the direct sealing diaphragm valve technology that is at the core of Equilibars patented devices. The PRA is most often used to provide the pilot setpoint pressure to an Equilibar precision back pressure regulator (BPR) when high pressure automation is required. Continuing to use this site means you agree to our use of cookies. Learn more about Equilibars ultra sensitive dome-loaded back pressure regulators. Fax: +1-801-504-4439. You are here: Home High Pressure Electronic Controller. To give you the best possible experience, this site uses cookies. While many industrial pressure controllers utilize binary fill and vent valves, or analog fill valves with binary vent valves, the EPR-3000 uses two analog valves for highly precise and resolute control throughout the entire range. The schematic above shows how a dome-loaded back pressure regulator can be used to control the flow rate to a dispensing application. For some models, gas volumes less than approximately 1 liter can cause issues such as buzzing or frequent and unnecessary valve action. Equilibar offers a wide range of precision electronic pressure regulators (EPRs) for controlling air or inert gas for a variety of applications and are recommended for use in controlling the pilot reference pressure for Equilibar dome-loaded back pressure regulators and vacuum regulators. Continuing to use this site means you agree to our use of cookies. While many industrial pressure controllers utilize binary fill and vent valves, or analog fill valves with binary vent valves, the EPR-3000 uses two analog valves for highly precise and resolute control throughout the entire range. The PRA series allows an electronic signal to proportionally control a high pressure pneumatic output pressure signal. In the past decade, the fastest growing type of electronic pressure regulator has been the servo valve design, which uses two high speed servo or solenoid valves to increase or decrease gas pressure as needed to maintain pressure. The summer 2022 issue of Valve Magazine includes a comprehensive overview of the direct sealing diaphragm valve technology that is at the core of Equilibars patented devices. Outlet pressure is sensed and controlled through a type of PID loop. Read about automated process control using electronic pressure regulators, or electro-pneumatic controllers. *Meant for use with air or inert gases only. Considerations for Oxygen Rich Applications, Diaphragm Selection for Equilibar Regulators, Water Hammer and Chatter with Equilibar Back Pressure Regulators, Equilibars ultra sensitive dome-loaded back pressure regulators, Valve Magazine features overview of Equilibar technology, Look at the part number listed on the regulators label, In general, the number right before the first dash is the revision number. The QPV1 will go to the desired pressure accurate to within 1% of full scale calibrated range (for pressures below 1 psig / 68 millibar(g)). For Example: A 0 500 Pa calibrated unit. Fletcher, North Carolina Considerations for Oxygen Rich Applications, Diaphragm Selection for Equilibar Regulators, Water Hammer and Chatter with Equilibar Back Pressure Regulators, Valve Magazine features overview of Equilibar technology. The Equilibar back pressure regulator provides stability through 1000:1 flow rate range. Boxes 1-4 serve the same purpose as above. The QPV series electronic pressure regulator has calibration ranges as low as 0 2 in H20 (0 500 Pa, 0 5 millibar(g)) with an accuracy of +/-0.25% of full scale calibration for pressure ranges above 1 psig / 68 millibar(g) and an accuracy of 1% of full scale for pressures ranges 1 psig / 68 millibar(g) and below. You are here: Home Products Electronic Pressure Regulators GP High Pressure Electronic Pressure Regulator, GP High Pressure Electronic Pressure Regulator. 28732 United States, Tel: +1-828-650-6590 Watch the video below to see how the EPR 3000 regulator works. Learn more about Equilibars ultra sensitive dome-loaded back pressure regulators. *Not intended for hazardous/explosive environments.
Interestingly, it is possible to use these devices to control phenomena other than pressure. To give you the best possible experience, this site uses cookies. To give you the best possible experience, this site uses cookies. Dome-loaded means that the setpoint to the pressure regulator is provided by a fluid (typically air) pressure on the top dome port. Outlet pressure is sensed and controlled through a type of PID loop. You are here: Home Products Electronic Pressure Regulators EPR 1000 High Precision Electronic Pressure Regulator, EPR 1000 High Precision Electronic Pressure Regulator. In the schematic at right, an external pressure transmitter is connected directly to the process, and provides feedback to the controller. Back Pressure Equilibar QPV1 electronic pressure regulator. *Not intended for hazardous/explosive environments. Valves, Valve Magazine features overview of Equilibar technology, Look at the part number listed on the regulators label, In general, the number right before the first dash is the revision number. For system automation, the device can be automated through either the 0 5 VDC analog interface or by use of a Serial (RS-458) connection.
Configured to meet specified range from vacuum to 150 psig / 10 bar(g), Configured to meet specified range up to 500 psig /35 bar(g). Back Pressure Regulators, General Service Considerations for Oxygen Rich Applications, Diaphragm Selection for Equilibar Regulators, Water Hammer and Chatter with Equilibar Back Pressure Regulators, Research Series 28732 United States, Tel: +1-828-650-6590 28732 United States, Tel: +1-828-650-6590 *Meant for use with air or inert gases only. Back pressure regulatorscontrol their inlet pressure and open to reduce upstream pressure. Fletcher, North Carolina You are here: Home Products Electronic Pressure Regulators EPR 150 High Precision Electronic Pressure Regulator, EPR 150 High Precision Electronic Pressure Regulator. Fletcher, North Carolina Actual liquid pressure is yellow; target waveform is red. All Equilibar precision back pressure regulators are pilot operated and require a compressed gas signal to act as the set point.
In the schematic at right, the EPR-3000 is used to control the output pressure of a catalyst research reactor. Boxes 1-4 serve the same purpose as above. The controller will adjust the output pressure as necessary in order to match the displacement feedback signal to the set-point signal. Some example applications are shown below and more application examples can be found on our applications pages.
Written by Equilibar founder Jeff Jennings, the article explains the background of this unique method of fluid control and describes how it is capable of providing robust backRead More, 320 Rutledge Rd. These devices typically continue to refer to the internal pressure sensor to control the valve timing, but bias the signal from the internal pressure signal as necessary to match the external feedback signal to that of the command (set-point) signal. Two valve pressure controllers include a fill and vent valve. Written by Equilibar founder Jeff Jennings, the article explains the background of this unique method of fluid control and describes how it is capable of providing robust backRead More, 320 Rutledge Rd. The summer 2022 issue of Valve Magazine includes a comprehensive overview of the direct sealing diaphragm valve technology that is at the core of Equilibars patented devices. Often, a mechanically adjusted regulator is used to regulate a high pressure gas source (often a nitrogen bottle) down to the desired pilot pressure. The EPR-3000 can be quickly commanded using the convenient keypad interface. Benchtop lab testing where pressure control is required, but the customer does not want to also purchase a controller. An Equilibardome-loaded back pressure regulator (bottom) is commanded by an Equilibar QPVelectronic pressure regulator(top) to provide complete process automation. Benchtop lab testing where pressure control is required, but the customer does not want to also purchase a controller. The EPR 150 is an electronic pressure regulator designed for electronic pressure control of inert gases. Fax: +1-801-504-4439. Two valve pressure controllers include a fill and vent valve. Equilibar offers Electronic pressure regulators in a variety of ranges: below 150psi, up to 500psi, up to 1000psi and as high as 3000psi max. These servo EPRs allow for output pressures significantly greater than previous pressure transducers.
This approach has certain advantages over traditional pressure control valves which typically have a delayed response time, limited flow ratios, and depend on PID loop tuning. Written by Equilibar founder Jeff Jennings, the article explains the background of this unique method of fluid control and describes how it is capable of providing robust backRead More, 320 Rutledge Rd. Contact our engineers to discuss your application. The schematic above shows an electronic pressure regulator and a dome-loaded back pressure regulator controlling the pressure of a laboratory reactor, such as might be used in catalyst research. Outlet pressure is sensed and controlled through a type of PID loop. *Not intended for hazardous/explosive environments. The pressure in the reactor is commanded by the computer through an electronic pressure regulator, which produces an air or nitrogen pressure signal to the dome-loaded BPR. While many industrial pressure controllers utilize binary fill and vent valves, or analog fill valves with binary vent valves, the EPR-3000 uses two analog valves for highly precise and resolute control throughout the entire range. Below is a list of these readily available part numbers: The summer 2022 issue of Valve Magazine includes a comprehensive overview of the direct sealing diaphragm valve technology that is at the core of Equilibars patented devices. Written by Equilibar founder Jeff Jennings, the article explains the background of this unique method of fluid control and describes how it is capable of providing robust backRead More, 320 Rutledge Rd. The PID flow control loop controls the signal to the electronic pressure regulator, which thereby controls the set-point of the dome-loaded BPR with an air pressure signal. However, the BPR will hold the header pressure constant without any change in controller output. New digital pressure control technology with integrated microcontroller. Fax: +1-801-504-4439. Pressure reducing regulators control their outlet pressure and open to increase downstream pressure (see more about the differences). Most manufacturers have maximum output pressures in the range of 600 to 1000 psig / 41 to 68.9 bar(g). Continuing to use this site means you agree to our use of cookies. Custom calibration ranges and digital displays are available at 6-8 weeks lead time. You are here: Home Equilibar Electronic Pressure Regulators Automated Process Control. Literature & Specifications Using dual analog valve construction, the EPR-3000 avoids the waste of inert supply gas present with some competitive solutions. For all models EXCEPT the GS Series, follow this table: To find the revision number of the GS model, follow the table below. The PRA is for use with air or inert gases only and is not designed for hazardous or explosive environments. Considerations for Oxygen Rich Applications, Diaphragm Selection for Equilibar Regulators, Water Hammer and Chatter with Equilibar Back Pressure Regulators, Valve Magazine features overview of Equilibar technology, Electronic pilot regulator for Equilibar back pressure regulator. The EPR 150 will work in a similar way by providing control up to 150 psi. Installation & Maintenance Two valve pressure controllers include a fill and vent valve. On the other hand, large chemical plants rely on traditional pressure control valves due to economic scale factors. This output is an electrical signal originating from the internal sensor used in the control circuit of the GP1 valve.
28732 United States, Tel: +1-828-650-6590 The BPR allows only enough gas to escape from the reactor to maintain the precise desired pressure setting. One advantage of using a dome-loaded back pressure regulator is the freedom to choose the type of dome setpoint option for each individual situation. On GP2 units, this signal originates from the external transducer. Written by Equilibar founder Jeff Jennings, the article explains the background of this unique method of fluid control and describes how it is capable of providing robust backRead More, 320 Rutledge Rd. 28732 United States, Tel: +1-828-650-6590 Continuing to use this site means you agree to our use of cookies. Accuracy: Command of 5 VCD (or 12 mA) tells the unit to go to 250.0 Pa. That is because the control valve action has to swing suddenly with every change in dispensing flow rate. Contact an application engineer to discuss your specific application. One common application is to provide a high pressure pilot signal for dome-loaded regulators requiring pressures above 1000 psig / 69 bar(g).
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